44 



ASCLEPIADA CE^E. 



[ HEMIDESMTTS. 



13. 

 14. 



Corona staminal, double ; follicles 



covered with soft spines . 

 Pollen-masses erect. 



Corona adnate to the corolla- tube . 10. 



Corona staminal. 

 Corona-lobes adnate to the base of 



the anthers or none . . .11. 



Corona-lobes adnate to the staminal 

 column, without a subulate process 

 on the inner face of the free apical 

 portion . . . . 

 Corona-lobes adnate to the staminal 

 column, each vith a subulate pro- 

 cess on the inner face of the free 

 apical portion ..... 

 Corona of 5 small tubercles adnate to 



the staminal column 



Anthers incumbent on the stigma, without 

 a membranous appendage. Corolla-lobes 

 valvate, pollen-masses erect. 

 Corolla- tube short, limb rotate or saucer- 

 shaped. 



Corona of 5 small erect hair-tipped 

 scales inserted in the sin uses of the 

 corolla-lobes, sometimes with an 

 inconspicuous fleshy ring at the base 

 of the staminal column . . 

 Corona double, entirely staminal. 

 Flowers 1-4 at the nodes, or many 

 in a terminal umbel . . . .16. 

 Corolla-tube more or lesa elongate and 

 often inflated at the base. 

 Corona of 5 small erect scales inserted 

 in the sinuses of the corolla-lobes, 

 sometimes with an inconspicuous 

 fleshy ring at the base of the staminal 

 column . . . 



Corona double, staminal, attached to 

 the column . . . 



9. 



GYMNEMA. 



GONGRONEMA. 

 12. .MARSDENIA. 



PERGULARIA. 

 TYLOPHORA. 



15. 



17. 



18. 



LEPTADENIA. 

 BRACHYSTELMA. 



ORTHANTHERA. 

 CEROPEGIA. 



1, HEMIDESMUS, K. Br. ; Fl. Brit. Ind. iv, 4. 



A twining shrub. Leaves opposite, hoary or pubescent beneath 

 Flowers small, in opposite crowded subsessile axillary eyines 

 greenish-purple. Calyx 5-partite ; lobes glandular within at the 

 base, acuminate. Corolla rotate ; lobes thick, valvate. Coronal 

 scales 5, on the throat of the corolla and alternate with its lobes, 

 short, fleshy. Stamens attached to the base of the corolla-tube, 

 filaments distinct or slightly connate at the base, anthers with 



