Illustrations of the principal natural orders of the vegetable kingdom / prepared for the Science and Art Department of the Council of Education by Professor Oliver ; the plates by W.H. Fitch.

  • Oliver, Daniel, 1830-1916.
Date:
1874
Catalogue details

Licence: Public Domain Mark

Credit: Illustrations of the principal natural orders of the vegetable kingdom / prepared for the Science and Art Department of the Council of Education by Professor Oliver ; the plates by W.H. Fitch. Source: Wellcome Collection.

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    DICOTYLEDONS WITH POLYPETALOUS FLOWERS. Natural Order RANUNCULACEAE. Tab. i. D lAGNOSis.—Herbs with radical or alternate cauline simple leaves, or, in Clematis, woody climbers with opposite usually compound leaves. Stamens hypogynous, indefinite. Pistil apocarpous. Albumen copious. Distribution.—Generally diffused through the Temperate and Arctic zones, both of the Old and New World ; rare in hot countries, excepting at high elevations. Number of British Genera, io; Species, 28—30. A large Natural Order, including genera widely different at first sight, owing to considerable diversity in habit and in the envelopes of the flower. Five principal types of structure are distinguished as Tribes, viz. :— 1. Clematideai. Sepals valvate. Fruit a head of achenes. (Leaves opposite). — Example, Traveller’s Joy {Clematis Vitalba). 2. Anemone.^:. Sepals imbricate. Ovule solitary, pendulous. Fruit a head of achenes.—Example, Wood Anemone {Anemone nemorosa). 3. RANUNCULEiE. Sepals imbricate. Ovule solitary, ascending. Fruit a head of achenes. — Example, Buttercup {Ranunculus hulhosus).