Manual of British Botany: Containing the Flowering Plants and Ferns Arranged According to the Natural Orders

Capa
John Van Voorst, 1847 - 428 páginas
0 Críticas
As críticas não são validadas, mas a Google verifica a existência de conteúdo falso e remove-o quando é identificado

No interior do livro

Opinião das pessoas - Escrever uma crítica

Não foram encontradas quaisquer críticas nos locais habituais.

Outras edições - Ver tudo

Palavras e frases frequentes

Passagens conhecidas

Página 285 - Cornish Elm. Leaves obovate, cuspidate, cuneate at the base, evenly and nearly doubly crenate-serrate, strongly veined, coriaceous, very smooth and shining above, smooth beneath, with hairy axillae. Branches bright brown, smooth, rigid, erect, very compact. Fruit ..... £. parvifolia. Leaves much smaller, less oblique at the base, finely and regularly crenate, acuminate rather than cuspidate.
Página 286 - Leaves obovate, cuspidate, doubly and coarsely serrated, cuneate and nearly equal at the base, always exceedingly scabrous above, evenly downy beneath. Branches not corky, cinereous, smooth. Fruit rhomboid-oblong, scarcely cloven, naked.
Página 56 - Ovary formed by the union of several carpels round a common axis, either distinct or cohering ; styles as many as the carpels, united or free.
Página v - It has been the author's wish to adopt in all cases those names which have the claim of priority, unless good cause could be shown for a contrary proceeding ; and with this object he has carefully examined nearly all the best European Floras, comparing our plants with the descriptions contained in them, and in very many cases with foreign specimens of undoubted authenticity. In the adoption of genera and species an endeavour has been made, by the examination of the plants themselves, to determine...
Página 265 - It has monoecious rarely perfect flowers, the perigone of two more or less connected parts, two stigmas, a free membranous pericarp, a crustaceous testa ; the seed is vertical, attached by a lateral hilum, either near the base or by means of an elongated funiculus in the middle of the side ; the radicle basal ; the stamens five, continuous. Most of the species of this genus are insignificant weeds, and are sometimes troublesome pests in corn-fields. Babington, in his ' Manual of British Botany,
Página 285 - Leaves ovate-lanceolate, acuminate, doubly and evenly crenateserrate, cuneate and oblique at the base, becoming quite smooth above, smooth or glandular beneath, with a few hairs in the axillae.
Página 148 - ARAUACE^:, the Ginseng Family. Calyx entire or toothed. Petals definite, two- to five- or ten-deciduous, occasionally 0; aestivation valvate. Stamens, as many as the petals, or twice as many, inserted below the margin of an epigynous disk. Ovary adherent to the tube of the calyx, two- or more-celled ; ovules solitary, pendulous, anatropal ; styles, two or more, distinct or connate ; stigmas simple. Fruit usually succulent, two- to fifteen-celled, covered by the calycine limb. Seeds solitary, pendulous,...
Página 89 - The segments of the calyx 5 ; the petals 5 ; the styles 2-5 ; the fruit turbinate, its nuts adhering to the sides of the calyx, but not cohering at the centre; the stamens erect, as long as the teeth of the calyx. The species are shrubs, with simple entire leaves, woolly beneath.
Página 285 - Leaves ovate-acuminate, coriaceous, strongly veined, simply crenate, serrate, slightly oblique and cordate at the base, shining, but rather scabrous above, smooth beneath. Branches bright brown, nearly smooth. Fruit Four miles from Stratford on Avon, on the road to Alcester.

Informação bibliográfica