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Botany |
Record 1 to 25 of 142 |
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Aculeus "Aculeus.--A prickle or sharp point, from the bark." -Newman, 1850... |
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Apple, Microscopic view of a fermented "Portions of the rotting pulp were placed on a microscopic slide, divided into hundredths and thousandths of an inch. Fig. 21, A B, represents such a scale, the larger division, A B, representing the... |
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Bast Fibers "Diagram to show different plans in the distribution of bast fibers. A, bast a continuous cylinder in the pericycle; B, isolated strands of bast in the cortex and in the pericycle in front of each vas... |
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Bast Fibers 1 and 2 Developmental stages of bast fibers: "1 and 2, cross and longitudinal sections of primary meristem cells that are to become bast fibers." -Stevens, 1916... |
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Bast Fibers 3 and 4 Developmental stages of bast fibers: 3 and 4, cross and longitudinal sections of meristem cells becoming bast fibers.... |
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Bast Fibers 5 Developmental stages of bast fibers: "5, longitudinal section of completed bast fibers. In 5 the stippling of the wall indicates lignification. Note that the walls have become pitted and the protoplas... |
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Bean Seed Stages "Successive stages in the life history of the bean seedling. AA, the surface of the ground; r, primary root; r', secondary root; c, hypocotyl; a, arch of hypocotyl; co, cotyledons." -Bergen, 1896... |
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Borage Gynoecium "Gynobase. Section of Gynoecium of Borage, gynobase (a) bearing the carpels and style." -Whitney, 1911... |
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Buds "Buds.--Coverings of the germ." -Newman, 1850... |
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Bulbs, Various "a.-- Truncated bulb of onion; b.-- onion leaf dissected off; c.-- bulb of lily. Bulb, a modified leaf-bud, formed on a plant upon or beneath the surface of the ground, emitting roots from its base, a... |
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Canker, Willow "Scleroderris fuliginosa. a, immature ascocarps ... S. fuliginosa is said to be parasitic on twigs and branches of willows in Europe and North America." -Whitney, 1911... |
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Canker, Willow "Scleroderris fuliginosa. b, ascus containing spores and accompanied by paraphyses ... S. fuliginosa is said to be parasitic on twigs and branches of willows in Europe and North America." -Whitney, 19... |
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Canna Starch "Canna Starch." -Bergen, 1896... |
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Cell Development 1, Plant First developmental stage of sieve tubes, companion cells, and phloem parenchyma. "A, a and b, two rows of procambial cells; in c and d, a has divided longitudinal and c is to become companion cells; ... |
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Cell Development 2, Plant Second developmental stage of sieve tubes, companion cells, and phloem parenchyma. "B, c, companion cells, and d, a beginning sieve tube from c and d, respectively in A. The cross-walls in d are pitte... |
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Cell Development 3, Plant Third developmental stage of sieve tubes, companion cells, and phloem parenchyma. "The pits in the cross-walls of the sieve tubes become perforations, and the nuclei gone from the cells composing the ... |
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Cell, Plant "C, cell showing numerous chloroplasts scattered through the cytoplasm." -Stevens, 1916... |
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Collenchyma 1 and 2 Developmental stages of collenchyma: "1 and 2, cross and longitudinal section of a collenchyma cell in its primary meristem condition." -Stevens, 1916... |
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Collenchyma 3 and 4 Developmental stages of collenchyma: "3 and 4, longitudinal and cross sections of the same cell at a later stage, the walls in 4 have commenced to thicken at the angles." -Stevens, 1916... |
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Collenchyma 5 and 6 Developmental stages of collenchyma: "5 and 6, longitudinal and cross sections of a mature cell. The arrows indicate the planes through which the longitudinal sections were cut. The stippling inside t... |
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Corolla, Funnelform "In botany, applied to a monopetalous corolla shaped like a funnel, in which the tube enlarges gradually from below, it expands widely at the summit; infundibuliform." -Whitney, 1911... |
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Cotyledon Germinating "Embryo germinating: a running into the ground to become a root; b running up to form a stem; c the tube which supplies nutriment from the cotyledons until both roots and leaves are ready to work." -N... |
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Dahlia, Root-Grafting of Grafting is a method of asexual plant propagation widely used in agriculture and horticulture where the tissues of one plant are encouraged to fuse with those of another. Pictured here is the root-gra... |
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Decorticator "Decorticator for ramie, jute, hemp, flax, and other textiles in green stalks. The machine is quadruple in its action. It consists in four feeders and four cleaners, inside of which revolves, horizon... |
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Dehiscence, Septicidal "Septicidal Dehiscence. v, valves; d, dissepiments; c, axis. In botany, noting a mode of dehiscence in which the pericarp or fruit is resolved into its component carpels by splitting asunder through t... |
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