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English Botany, Vol. 6

Boswell, John T.

English Botany, Vol. 6

Excerpt from English Botany, Vol. 6: Or, Coloured Figures of British Plants

Herbs or undersbrubs (frequently having milky juice), with alternate entire or toothed leaves, without stipules, rarely with the leaves all radical. Flowers perfect, regular or irregular, usually blue, purple, or white, generally separate, more rarely in involucratc anthodcs, with the leaves of the involucre resembling the sepals of a calyx. Calyx-tube adhering to the ovary, liiub free, of 5 segments, regular or irregular, persistent or deciduous, not forming a pappus. Corolla monopctalous, inserted into the throat of the calyx , limb 5-cloft or -toothed, regular or irregular-in the latter ease 2-lipped or 1-lippcd. Stamens 5, inserted at the base of the corolla , filaments not adhering to the corolla, and alternate with its lobes, free or united into a tube , anthers 2-celled, distinct or cohering by their margins or bases in a ring round the style, opening longitudinally. Ovary inferior, 2- or 3-, more rarely 5-ccllcd , style 1, generally cleft at the apex into as many stigmatifcrous portions as there arc cells in the ovary, ovules numerous or several, very rarely 1 in each cell of the ovary. Fruit a capsule, opening by clefts or pores below or between the ealyx-teeth, or by valves above the calyx-limb, or a berry or drupe and indchiscent. Seeds albuminous, embryo straight, in the midst of fleshy albumen.

Sub-Order I. - Lobelieæ

Odd segment of the calyx anterior, directed towards the stem. Corolla irregular, frequently more or less 2-lipped. Anthers cohering, usually dissimilar, pollen ovoid. Style glabrous, with a bilobed or entire stigma surrounded by hairs.

Genus I. - Lobrlia. Linn.

Calyx 5-clcft. Corolla tubular, with the tuho split above , limb 2-lipped, with tho upper lip with 2 erect or recurved segments , the lower ono 3-lobcd, larger and spreading.

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ISBN 9781330463956
Sprache eng
Cover Kartonierter Einband (Kt)
Verlag Forgotten Books
Jahr 2015

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