BUCHU, or Buka Leaves, the produce of several shrubby plants belonging to the genus Barosma (nat. When these are excited by the settling of an insect on the leaf they slowly bend over and imprison the intruder, which is detained there meanwhile by a sticky excretion poured out by the glands. Other brands of home manufacture contain some proportion of Cuban tobacco; and very good cigars may be made in which the name only of that highly-prized leaf is employed. Every leaf originates as a simple cellular papilla (fig 1), which consists of a development from the cortical layers covered by epidermis; and as growth proceeds, the fibro-vascular bundles of the stem are continued outwards, and finally expand and terminate in the leaf. - Transverse section of a conduplicate leaf. Species of Camponotus and many other ants tunnel in wood. In fleshy leaves which contain a great bulk of tissue in relation to their chlorophyll content, the central mesophyll contains little or no chlorophyll and acts as waterstorage tissue. We have the formation of numerous mechanisms which have arisen in connection with the question of food supply, which may not only involve particular cells, but also lead to differentiation in the protoplasm of those cells, as in the development of the chloroplastids of the leaves and other green parts. In the blade of a typical leaf of a vascular plantessentially a thin plate of assimilating tissuethe vascular system takes the form of a number of separate, usually branching and anastomosing strands. As to their present name, signifying in its present Russian spelling "self-eaters," many ingenious theories have been advanced, but that proposed by Schrenk, who derived the name "Samo-yedes" from "Syroyadtsy," or "raw-eaters," leaves much to be desired. She leaves home at 7 every day. Thus he suggests that man has not eyes of a microscopic delicacy, because he would receive no great advantage from such acute organs, since though adding indefinitely to his speculative knowledge of the physical world they would 1 Yet he leaves open the question whether the Deity has annexed thought to matter as a faculty, or whether it rests on a distinct spiritual principle. The embryo thus passes from the body of the female into the alimentary canal of the host and leaves this with the faeces. Even ice begins with delicate crystal leaves, as if it had flowed into moulds which the fronds of waterplants have impressed on the watery mirror. When first built the dome was covered by gold leaf, and the outer walls were adorned with stucco work picked out in gold and blue, but to-day there are very few traces of this ornamentation. cried they, in their delight. All these various forms are organs discharging some special function, and are examples of what Wolff called modification, and Goethe metamorphosis. A long leaf (spathe) borne immediately below the spike forms an apparent continuation of the scape, though really a lateral outgrowth from it, the spike of flowers being terminal. The eucalypts are remarkable for the oil secreted in their leaves, and the large quantity of astringent resin of their bark. But it also appears that honeydew may be excreted by ordinary processes of over-turgescence pressing the liquid through water-pores, as in the tropical Caesalpinia, Calliandra, &c. That these exudations on leaves should afterwards serve as pabulum for Fungie.g. The structure of the epidermis of the under side of the leaf, with its contorted cells, is represented (X 160) in fig. (25) Unless the path of the induction is entirely inside the metal, free magnetic poles are developed at those parts of the metal where induction enters and leaves, the polarity being south at the entry and north at the exit of the flux. In many Pteridophytes thi first leaf is formed very early, and the first vascular strand i! Use "anthropoidal" in a sentence Choose a language, then type a word below to get example sentences for that word. In Nicaragua the latex is collected in April, when the old leaves begin to fall and the new ones are appearing, during which time the latex is richest. The awn may be either terminal or may come off from the back of the flowering glume, and Duval Jouve's observations have shown that it represents the blade of the leaf of which the portion of the flowering glume below its origin is the sheath; the twisted part (so often suppressed) corresponds with the petiole, and the portion of the glume extending beyond the origin of the awn (very long in some species, e.g. How to use fig leaf in a sentence. When the inside of the brass cup is ready a ball of opium previously weighed is placed on the leafy case in it, and the upper half of it covered with leaves in the same way that the casing for the lower half was made, the overhanging leaves of the lower half being pressed upwards and the sphere completed by one large leaf which is placed over the upper half. They can be killed by spreading about cabbage leaves, &c., poisoned with Paris green. The stout horizontally spreading branches give a cedar-like appearance; the foliage is light and feathery; the leaves and the slender shoots which bear them fall in the autumn. Use healthy leaves. Thus a series of arrays of beech leaves, gathered, subject to the precautions indicated, from each of loo beech trees in Buckinghamshire by Professor Pearson, gave 16.1 as the mean number of veins per leaf, the standard deviation of the veins in the series being 1.735. First is an adjective in this sentence. leaves example sentences. The leaf, however, corresponded with the description given of the true cinnamon by Linnaeus. In the leaf-blade this sometimes aopears as a layer of thickened subepidermal cells, tht hypoderm, often also as subepidermal bundles of sclerenchymatou~ fibres, or as similar bundles extending right across the leaf from mu epidermis to the other and thus acting as struts. How to use memories in a sentence. He would perhaps have placed alder branches over the narrow holes in the ice, which were four or five rods apart and an equal distance from the shore, and having fastened the end of the line to a stick to prevent its being pulled through, have passed the slack line over a twig of the alder, a foot or more above the ice, and tied a dry oak leaf to it, which, being pulled down, would show when he had a bite. The variety grown is usually of the Virginia type, and the leaf is coarse, dark and heavy, and suited to the manufacture of plug and snuff. The proboscis, passing down this groove to the spur, becomes dusted with pollen; as it is drawn back, it presses up the lip-like valve of the stigma so that no pollen can enter the stigmatic chamber; but as it enters the next flower it leaves some pollen on the upper surface of the valve, and thus cross-fertilization is effected. You often use object complements in a sentence that has an action verb. English Sentences Focusing on Words and Their Word Families The Word "Leaf" in Example Sentences Page 1. They have shown that columns of water of very small diameter can so resist tensile strain that they can be lifted bodily instead of flowing along the channel, They suggest that the forces causing the movement are complex, and draw particular attention to the pull upwards in consequence of disturbances in the leaves. The leaves are broader than in most willows, and are generally either deltoid or ovate in shape, often cordate at the base, and frequently with slender petioles vertically flattened. A cushion plant (Anabasis aretioides) of the north-western Sahara, frequently shows dead leaves on the exposed side whilst the plant is in full vigour on the sheltered side. If this exhalation is stopped or lessened the digestion in its turn is also stopped, the leaf remains longer than usual in the intestines, the microbes multiply, invading the whole body, and this brings about the sudden death which surprises the rearers. It is a brown powder which on heating in air loses sulphur and leaves a residue of the disulphide. use "leaves" in a sentence The political system in this country is quite adversarial and leaves little room for compromise among opposing parties. B, Part of vertical section through leaf of Berberis From Strasburger's Lehrbuch der Botanik, by permission of Gustav Fischer. Words and phrases that rhyme with leaves: (63 results) 1 syllable: beeves, biev's, breves, cheves, cives, cleaves, cleves, deaves, eaves, eves, gleaves, greaves, greeves, grieves, heaves, jeeves, neaves, neavs, neves, peeves, reaves, reeves, reeves', reives, reves, rieves, sheaves, shreves, sleeves, steeves, steve's, steves, teves, theives, thieves, thieves', treves, weaves. The local committee leave no stone unturned to ensure that everything is in perfect order for the event. 8), it is cleft; when the divisions extend nearly to the base or to the midrib the leaf is partite. It doesn't require any special equipment, either. In recent years the growth of the leaf under cloth tents has greatly increased, as it has been abundantly proved that the product thus secured is much more valuable - lighter in colour and weight, finer in texture, with an increased proportion of wrapper leaves, and more uniform qualities, and with lesser amounts of cellulose, nicotine, gums and resins. The sugar-cane crop declined in value after 1890, and each year more of it was made into syrup. This, like the excretion of the sundew and other insectivorous plants, contains a digestive ferment (or enzyme) which renders the nitrogenous substances of the body of the insect soluble, and capable of absorption by the leaf. In the latter case the overturning tendency begins as soon as the load leaves the ground, but ceases as soon as the load again touches the ground and thus relieves the crane of the extra weight, whereas overturning backwards is caused either by the reaction of a chain breaking or by excessive counterweight. memories example sentences. She pealed off a couple of leaves of hay and threw them into Ed's stall. A, B, Section of Leaf of Potato F, G, H, J, Further development with sporangiophores of Phy- of the sporangia. In the case we have chosen, the solution becomes stronger near the anode, or electrode at which the current enters, and weaker near the cathode, or electrode at which it leaves the solution. Fermentation is essentially a chemical process due apparently to the presence of enzymes, developed in the leaf during the earlier curing stages. Labrusca there is a tendril opposite to each leaf, so that the podium bears only a single leaf. This differentiation is parallel with that between stem and leaf of the higher plants. - Cephalotus follicularis, showing ordinary leaves and pitchers, the right hand one cut open to show internal structure. At the base of the leaf the spiny stipules are seen. What good was such a cook book, he asked himself as he turned the leaves in resentment. By continuing this process every unit of mass which enters B will carry with it more energy than each unit which leaves B, and hence the temperature of the gas in B will be raised and that of the gas in A lowered, while no heat is lost and no energy expended; so that by the application of intelligence alone a portion of gas of uniform pressure and temperature may be sifted into two parts, in which both the temperature and the pressure are different, and from which, therefore, work can be obtained at the expense of heat. Some plants appear with extremities of the phyllodes in a horizontal direction; but in many instances they are not developed, and the phyllode serves the purpose of a leaf. Opposed to the thalloid forms are the group of leafy Liverworts (Acrogynae), whose plant-body consists of a thin supporting stem bearing leaves. For example, many English students know (that) you can leave out 'that,' depending on the instance. Find examples of how to use any word or phrase in a sentence with our powerful sentence generator. The leaf scar is protected by a corky change (suberization) in the walls of the exposed cells. When the magnetic induction flows through a piece of iron or other magnetizable substance placed near the magnet, a south pole is developed where the flux enters and a north pole where it leaves the substance. Excessive humidity causes small dark spots to appear; these become confluent and the whole leaf may become dark and decay. leaf-green flower whose name they didn't know. They are concerned in the orrliision of broken twies and of falline leaves. Droscra, another of this insectivorous group, has leaves which are furnished with long glandular tentacles. The pairs so formed were collected in a table, from which the correlation between the first leaf and the second leaf of a pair, chosen from one tree, could be determined by the methods indicated in the article Probability. See leaves used in context: 100 poetry verses, 67 Shakespeare works, 1 quotation, 1 Mother Goose rhyme, 12 Bible passages, 3234 definitions The plants generally have a rhizome bearing radical leaves, as in asphodel, rarely a stem with a tuft of leaves as in Aloe, very rarely a tuber (Eriospermum) or bulb (Bowiea). Wiki User Answered . How to use leave in a sentence. When a fly is captured, the viscid excretion becomes strongly acid and the naturally incurved margins of the leaf curve still further inwards, rendering contact between the insect and the leaf-surface more complete. In 1908 the tobacco crop was 2,705,625 lb, and the average farm price was 35 cents, being nearly as high as that of the Florida crop; Sumatra leaf for wrappers is grown successfully.. cried the Wizard, joyfully, and at once rubbed a leaf upon the soles of Dorothy's shoes and then upon his own. rubra, has thin large leaves on long petioles, the lobes very long and acute, the points almost bristly; they are pink when they first expand in spring, but become of a bright glossy green when full-grown; in autumn they change to the deep purplered which gives the tree its name. More and more of your everyday life leaves such an echo. Example sentences with the word memories. In aquatic plants the leafstalk is sometimes distended with air, as in Pontederia and Trapa, so as to float the leaf. The hydrom strand has in most cases no connection with the leaves, but runs straight up the stem and spreads out below the sexual organs or the foot of the sporogonium. The part of the leaf next the petiole or the axis is the base, while the opposite extremity is the apex. The Plant Stove differs in no respect from the greenhouse except in having a greater extent of hot-water pipes for the purpose, of securing a greater degree of heat, although, as the plants in stove houses often attain a larger size, and many of them require a bed of coco-nut fibre, tan or leaf mould to supply with bottom heat, b: !, b a somewhat greater elevation may perhaps be occasionally required in some of the houses. Here are some examples. A leaf is an above-ground plant organ and it is green. The complements that follow action verbs — the direct object, indirect object, and […] There was evaporation of water from the leaf. The centre of the leaf is often occupied by a midrib consisting of several layers of cells. The second Gospel fragment discovered in 1907 " consists of z single vellum leaf, practically complete except at one of the lower corners and here most of the lacunae admit of a satisfactory solution.". Among the vegetable-feeding chafers we usually find that while the perfect insect devours leaves, the larva lives underground and feeds on roots. All Rights Reserved. In leaf definition: (of shrubs , trees, etc) having a full complement of foliage leaves | Meaning, pronunciation, translations and examples The sumach is largely grown in the Mirdite district; its leaves are exported to Trieste for use in tanneries and dyeworks. In the seed-forming plants (Phanerogams) one or more primary leaves (cotyledons) are already formed in the resting embryo. Insects are attracted to the mouth of the pitcher by a series of glands, yielding a sweet excretion, which occurs on the stem and also on the leaf from the base of the leaf-stalk to the lid and peristome. The dead leaf lay on the forest floor, its edges curled up. A potential branch or bud, either foliage or flower, is formed in the axil of each leaf; sometimes more than one bud arises, as for instance in the walnut, where two or three stand in vertical series above each leaf. The leaves are generally tough-skinned and last for more than one season. Since the introduction of printing, the Talmud is always cited by the number of the leaf in the first edition (Venice, 1520, &c.), to which all subsequent editions conform. They are magnificent evergreen trees, with apparently whorled branches, and stiff, flattened, pointed leaves, found in Brazil and Chile, Polynesia and Australia. 3), the Leaf Cactus family, consists of about a dozen species, found in Central and tropical South America. sulphurea has shining deep green leaves and lemon-yellow flowers, deeper yellow in the centre, and with a pale-violet spur. leave in the lurch phrase. Beauty may have fair leaves, but bitter fruit. On stimulation these cells part with their water, the lower side of the organ becomes flaccid and the weight of the leaf causes it to fall. The effect of either is to destroy the possibility of fermentation by subjecting the leaf, as soon as it is plucked, to a brief period of great heat. In addition to the first foliage-leaves and the adult type of leaf, there are often produced leaves which are intermediate both in shape and structure between the seedling and adult foliage. The flowers appear with the leaves in April and May. The contents of the barn are therefore left till moist weather occurs, and then by the admission of atmospheric air the leaf blades absorb moisture and become soft and pliant. The same occurs in the verticillate arrangement, the leaves of each whorl rarely being super- posed on those of the whorl next it, but usually alterna ting so that each leaf in a whorl occupies the space be tween two leaves of the whorl next to it. Under the head of malformations we place cases of atrophy of parts or general dwarfing, due to starvation, the attacks of Fungi or minute insects, the presence of unsuitable food-materials and so on, as well as cases of transformation of stamens into petals, carpels into leaves, and so forth. Unreal Conditional . The whole tree itself is but one leaf, and rivers are still vaster leaves whose pulp is intervening earth, and towns and cities are the ova of insects in their axils. The roots are prevented from fulfilling their function of taking up water and salts from the soil; the leaves accordingly droop, and the whole plant wilts and in bad attacks dies. The branch holding him swayed in a heavy wind that smelled of rain. 19), the leaf is unequally pinnate (imparipinnate); when the leaflets or pinnae are placed alternately on either side of the midrib, and not directly opposite to each other, the leaf is alternately pinnate; and when the pinnae are of different sizes, the leaf is interruptedly pinnate. macrocarpa, is remarkable for its large acorns, the cups bordered on the edge by a fringe of long narrow scales; the leaves are very large, sometimes from Io in. If the leaf of Mini osa or Desmodium be examined, it will be seen that at the base of each leaflet and each leaf, just at the junction with the respective axes, is a swelling known as a pulvinus. In this way two marked forms of leaf are produced - (I) Simple form, in which the segmentation, however deeply it extends into the lamina, does not separate portions of the lamina which become articulated with the midrib or petiole; and (2) Compound form, where portions of the lamina are separated as detached leaflets, which become articulated with the midrib or petiole. In species of Eucalyptus, the leaves are placed edge-wise to the incident rays of light and heat. The process, which requires great judgment and care, results in the bright yellow leaf so largely used for pipe tobacco, cigarettes and chewing tobacco. pedunculata, has the acorns, generally two or more together, on long stalks, and the leaves nearly sessile; while in the other, Q. sessiliflora, the fruit is without or with a very short peduncle, and the leaves are furnished with well-developed petioles. A layer of cork is regularly formed in most Phanerogams across the base of the petiole before leaf fall, so as to cover the wound caused by the separation of the leaf from the stem. "He exists, but to understand Him is hard," the Mason began again, looking not at Pierre but straight before him, and turning the leaves of his book with his old hands which from excitement he could not keep still. Below the epidermis of the upper side of the leaf there are one or two layers of cells, elongated at right angles to the leaf surface (fig. Here are some examples. When the ice breaks up in spring they always leave their embankments, and rove about until a little before the fall of the leaf, when they return to their old habitations, and lay in their winter stock of wood. In recent years the growth of the leaf under cloth tents has greatly increased, as it has been abundantly proved that the product thus secured is much more valuable - lighter in colour and weight, finer in texture, with an increased proportion of wrapper leaves, and more uniform qualities, and with lesser amounts of cellulose, nicotine, gums and resins. The leaves, which - are generally alternate, are usually entire and narrow: the radical leaves in some genera, as Pulmonaria (lungwort) and Cynoglossum, differ in form from the stem-leaves, being generally broader and sometimes heart-shaped. Thomas Garway, the first English tea dealer, and founder of the well-known coffee-house, "Garraway's," in a curious broadsheet, An Exact Description of the Growth, Quality and Virtues of the Leaf Tea, issued in 1659 or 1660, writes, "in respect of its scarceness and dearness, it hath been only used as a regalia in high treatments and entertainments, and presents made thereof to princes and grandees.". The leaf in this case is multicostate and the venation palmate. Use ‘broad-leaved trees’ in a sentence | ‘broad-leaved trees’ example sentences. noun plural leaves (liːvz) the main organ of photosynthesis and transpiration in higher plants, usually consisting of a flat green blade attached to the stem directly or by a stalkRelated adjectives: foliar, …
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