196 
glauca. 
villosa. 
DIOECIA, HEXANDRIA. 
Sarsaparilla. 
A climbing plant, in all swampy hedges of the neighbour- 
hood; common. Possesses medicinal virtues. Perennial. June. 
378. DIOSCOREA. Gen. pl. 1550. (Asparagi.) 
Masc. Calix 6-parted. Corolla none. Frm. 
Flower as the male. Styles 3. Capsule 3- 
celled, triangular, compressed; cells 2- 
seeded. Seeds membranaceously margin- 
ed.— Nuit. 
1. DB. leaves in four’s, alternate, cordate, acumi- 
nate, glabrous, 9-nerved. B. 
D. glauca, Muhl. 
D. quaternata, Walt: 
Smooth-leaved Yam-root. 
A twining plant, found in thickets and hedges; not very 
common. Perennial. June. 
2. D. leaves alternate, opposite, and verticillated, 
cordate, acuminated, pubescent beneath, 9-nerv- 
ed: lateral nerves simple.—Willd. and Pursh. 
D. quinata, Walt. 
D. paniculata. Mich. 
Icon. Jacq. ic. t. 626. (fant ts alm. t. 
ST Ds i <S 
Viilous-leaved Fam-root. 
In similar places, and sometimes in fields; common. Pe- 
rennial. June. 
379. GLEDITSCHIA. Gen. pl. 1526. (Leguminose.) 
Hermapu. Calix 6 to 8 parted, deciduous, 
3 or 4 of the exterior segments smaller. 
Corolla none. Stamina 5 or 6, rarely 8. 
Legume flatly compressed, 1, or many- 
seeded. Masc. Calix subturbinate, 5 to 

