ternate phonies te or jntdereeiae, rarely bésteie, 
the le producing on either side a tendril; flowers 
devhsllntes xillaty, caducous. 
¢ sae 1.8. hastata, 2. Bona nox. §, quadrangula- 
+ Sarsapariila. Under side of the en es (or another 
ee sometimes not only glaucous but villous. 5. eva- 
ta, Pa. 6. lanceolata. Also aiba? Pu. 7. pudera. Ber- 
ries red; not white! 8. Pseudo-China. 9. rotundifolia. 10. 
caduca. 11. laurifolia, Was. From Delaware to Florida. 
12. sumnoides. S. panduratus, Pu. 13. peduncularis. —Female 
flower producing 6 inferule filaments. Stigmas 3, each 3- 
lobed; germ 3-celled, cells 2-seeded. 14. herbacea. Flow- 
ersextremely foetid, almost similar to those of Stapelia hir- 
ta. These 2 last species appear to pic te a distinct: 
ction in the genus, possessing the habit Dicseorea. 
“The principal part of this genus of near 50 species are 
Natives of tropical America; there are also species in In- 
dia, Europe, Barbary and the Levant. 
794. DIOSCOREA. L. (Yam root.) _ 
Mase. Calix 6-parted. Corolla none. Fem. © _ 
wer as the male. Siyles 3. Capsule 5-celled, — 
: gular, compressetl; cells 2-seeded. Seeds 
‘membranaceously margined, 
Herbaceous and twining; Fos more er Oe 
opposite and verticillate, er cordate, or vate — 
igitudinally nerved, (in 2 species digitate or ternate, 
: palmutely lobed:) flowers axillary, race- 
nit paniculate, svlitary or ~~ penepencr) 
and large. : 
OF this genus there are in’ tropical A merica 
10 in India, 3 in Japan, and 2 in Cochinchina. D. 
the Yam, cultivated for Sa cl is said to be euaee: to 
