275 
tohering with the wings, both free from the'stamen-tube: stigma 
obtuse, 
(1) P. nervosa. (MW. & A.) 
Ident. W. & A. prod. I. p. 197. 
Srec.Cuar. Suffrutescent, diffuse, branched, pubescent ; leaves 
pinnately trifoliate ; leaflets cuneate-obovate, hairy, particularly be« 
neath: racemes terminal, pubescent: bracts striated, with a long, 
subulate point: legumes oblong, inflated, hairy: seeds numerous, 
compressed, thickest at one end: flowers small, in twos or threes 
from the axil of each bract, purplish, : 
Courtallum. 
GENUS X. PSORALEA. 
Decandria Monmogynia. Sev: Syst: 
Deriv. From Psoraieos, scurfy, alluding to the calyx and other 
parts of the plant being covered with tubercles. 
Gen. Cuar. . Calyx 5-cleft, the tube usually covered with 
glands: lower sepal somewhat longer than the others: legume the 
length of the calyx, sometimes ending in a beak. 
(1) P. coryzirotia. (Linn.) 
Ident. W.& A. prod. I. p. 198.—Dec. prod. IL. p, 218.—< 
Roxb. fl. Ind. Ti. p. 387. 
Syn. Trifolium unifolium, Forsk. 
Engrav. Burm. Ind. t. 49.—Bot. Mag. XVIII. t. 665. 
Spec. Cuar. Herbaceous, erect: leaves simple, roundish-ovate, 
repand-toothed : stipules narrow-lanceolate, recurved :. racemes 
dense, spikelike, on long axillary solitary peduncles : pedicels much. 
shorter than the calyx, about three together from each bract : flowers 
small, pale lilac, with the wings and keel dark purple-tipped, 
Peninsula, flowering in the cold season. 
GENUS XI. INDIGOFERA. 
Diadelphia Deeandria. Sex: Syst; 
Deriv. From Indigo and Fero, to produce Indigo. 
Gen. Cuan. -Herbs or shrubs; peduncles axillary: flowers tae 
cemose: leaves usually pinnated or digitate: calyx 5-cleft: vexil« 
lum roundish, emarginate : keel furnished with a spur on both sides 
at length often bending back elastically : legume 1 or more-seeded., 
