Botany of the Northern and Middle States, Or, A Description of the Plants Found in the United States, North of Virginia: Arranged According to the Natural System : with a Synopsis of the Genera According to the Linnaean System ...

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Webster and Skinners, 1833 - 471 páginas

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Página 246 - Capsule with from 1 to 4 cells ; the valves fitting, at their edges, to the angles of a loose dissepiment, bearing the seeds at its base. Seeds with a small quantity of mucilaginous albumen ; embryo curved ; cotyledons shrivelled ; radicle inferior.
Página 35 - Capsules of 3-valves, bearing the placentae in their axis. Seeds often with a tumour at their base. Embryo straight, erect, in the axis of fleshy albumen.
Página 118 - Calyx superior, deciduous, tubular, with a 2-parted limb. Petals 2, alternate with the lobes of the calyx. Stamens 2, alternate with the petals, inserted into the calyx. Disk large, cup-shaped, filling up the whole of the tube of the calyx, and projecting beyond it. Ovarium 2-celled, with an erect ovulum in each cell ; style simple, arising out of the disk ; stigma emarginate.
Página 45 - Calyx tubular, 5-toothed, with 2 — 4 opposite imbricate scales at base. Petals 5, with long claws. Stamens 10. Styles 2. Capsule 1-celled.
Página xxiii - Epidermis. See Cuticle. Eroded. Appearing as if gnawed at the edge. Esculent. Eatable. Evergreen. Remaining fresh through the winter. Not deciduous. Exserted. Projecting or extending out of the flower or sheath ; us the stamens and style of the Fuschia coccinea.
Página xvi - ... or into several, polyadelphous. 99. When they are united into a solid body along with the style, they form what is called a column, and are said to be gynandrous. 100. The anther is a kind of bag borne by the filament, and corresponds to the lamina of a leaf. It is sessile when there is no filament, or it is placed at the top of the filament in various ways. 101. The bags or cells of the anther are termed lobes, and the solid substance which connects them, corresponding to the midrib of a leaf,...
Página xviii - It is through this foramen that the molecules of the pollen are introduced into the nucleus; and its position indicates the future position of the radicle of the embryo, the radicle being always next the foramen. 129. When the apex of the nucleus is contiguous to the base of the ovule, a connection takes place between the base of the ovule and the base of the nucleus, by a bundle of vessels called a raphe. 130. Fecundation having taken place, the floral envelopes usually fade away, the stamens disappear...
Página 411 - Fructification only of one kind on the same individual. Capsules spiked or racemed, or mostly collected into clusters of various shapes (sori) upon the back of the leaf or frond, naked or covered with an...
Página xix - The orange is a berry having a pericarp, separable into an epicarp, an endocarp and a sarcocarp, and the cells filled with pulpy bags, which are cellular extensions of the sides of the cavity.
Página 227 - Ovary free, sessile, plurilocular ; ovules one to two in each cell, pendulous ; style divided, rarely simple ; stigmas bifid or simple. Fruit fleshy, round or oval, the pericarp sometimes opening regularly. Seeds few ; testa membranous ; embryo straight, nearly in the axis of cartilaginous albumen ; cotyledons leafy ; radicle taper, next the hilum. Trees or shrubs, not lactescent, with alternate, exstipulate, coriaceous leaves. They are chiefly found in tropical regions, and many species are met...

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