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Biology Pamphlets (Volume 646) (Paperback) Loot Price: R456 Discovery Miles 4 560
Biology Pamphlets (Volume 646) (Paperback): Books Group
Biology Pamphlets (Volume 646) (Paperback): Books Group

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Biology Pamphlets (Volume 646) (Paperback)

Books Group; Created by General Books

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Loot Price R456 Discovery Miles 4 560

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This historic book may have numerous typos, missing text, images, or index. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. 1897. Not illustrated. Excerpt: ... CYPERACEiE, SEDGE FAMILY. Grass-like or rush-like herbs, with solid, usually triangular, stems, growing in tufts. The sheathing base of the generally 3-ranked leaves, when present, is not slit as in grasses. The Fig. 212. -- Inflorescence, Flower, and Seed of a Sedge. (Great Bulrush, Tule, Scirpus lacustris.) 1, magnified flower, surrounded by a perianth of hypogynous bristles; 2, the seed; 3, section of the seed, showing the small embryo enclosed in the base of the albumen. flowers are usually somewhat less enclosed by bracts than those of grasses; the perianth is absent or rudimentary; stamens generally 3; style 2-cleft or 3-cleft. The general appearance of a common sedge may be learned from Fig. 33, and the flower-cluster and the flower understood from an inspection of Fig. 212. The species are even more difficult to determine than those of grasses. LILIA'CEiE, LILY FAMILY. Herbs. Flowers regular and symmetrical, with their parts 3 or some multiple of 3. Ovary 3-celled, free from the perianth. Fruit a capsule or berry. Seeds with endosperm (Fig. 8, I). * Flowers in umbels with bracts at base forming an involucre. I. ALXIUM, WILD ONION. Plants with the odor and taste of onion. Scape from a coated bulb. Involucre with papery bracts. Pedicels not jointed under the flowers. Perianth rose-color or white. Stamens 6, with filaments broadening towards the base, attached to the perianth. Ovules 2 in each cell of the ovary, rarely all ripening. (There are many species, difficult to determine. The two most common are given.) a. A. Serra'tum Watson. Scape nearly a foot high. Perianth dark rose-color with divisions in two sets, dissimilar. Ovary with wart-like crests at summit. Outer bulb-coats marked with a horizontally zigzag veining which tears readily along ...


Imprint: General Books LLC
Country of origin: United States
Release date: 2012
First published: 2012
Authors: Books Group
Creators: General Books
Dimensions: 246 x 189 x 3mm (L x W x T)
Format: Paperback - Trade
Pages: 52
ISBN-13: 978-1-154-15639-3
Barcode: 9781154156393
Categories: Books
LSN: 1-154-15639-7

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