Page:The Flora of British India Vol 4.djvu/11

Rh **** Corona single, staminal, cupular or annular. Corolla rotate.

Corona of a 10-lobed ring, and 5 horny processes behind the anthers Corona annular. Leafy erect or twining herbs or shrubs Corona annular. Leafless straggling shrubs Tribe IV. Marsdenieæ. Anthers with a membranous inflexed tip (absent in Physostelma and rarely in Hoya); pollen-masses solitary in each cell (10 in all), sessile, or pedicelled in pairs on the corpuscle, erect (rarely horizontal or pendulous in Tylophora).


 * Corolla-lobes overlapping. Corona 0, or corolline.

Stem twining. Corolla-lobes- short, Corona Stem pendulous. Corolla-lobes long. Stigma included Stem twining. Corolla lobes short. Corona on the corolla- tube


 * Corolla-lobes overlapping. Coronal processes on the staminal column, rarely 0.


 * Corolla urceolate companulate or salver-shaped.

Corolla urceolate. Coronal processes minute or 0. Stigma included Corolla urceolate or salver-shaped. Coronal scales on thr back of the anthers, simple Corolla rotate or salver-shaped. Coronal scales on the back of the anthers, notched Corolla salver-shaped, coriaceous. Coronal scales (in Indian species) Corolla-lobes long, doubled down inwards in bud


 * Corolla rotate.

Cymes various. Column minute. Coronal processes fleshy Cymes umbelliform. Column large; coronal processes simple Cymes racemiform. Column minute, fleshy; coronal processes 2-fid Cymes umbelliform, pendulous. Coronal scales spreading, cuspidate


 * Corolla valvate. Coronal processes adnate to the staminal column.

Corolla small, rotate. Column short, corona stellate. Follicles slender Corolla large, rotate. Column short, corona stellate. Follicles stout Corolla urceolate or disciform. Corona cupular, fleshy Corolla minute, urceolate. Coronal scales membranous, erect Corolla rotate. Corona very large, stellate Corolla cupular. Corona large, stellate Corolla-tube short, lobes long subulate. Ovary sunk in the calyx-tube

Tribe V. Ceropegiese. Anthers incumbent on the stigma, without a membranous tip; pollen-masses one in each cell (10 in all) sessile in pairs on the corpuscle, erect or horizontal. Corolla-lobes valvate in all. Rh