120 DIADELPHIA. DECANDRIA. 



mote, leaflets cuneate-ovul, very obtuse, and on either 

 side villous (13 to 1.5); peduncles opposite to, and about 

 tlie length of the leaves, mostly 3-fio\vered. Hab. la 

 Georgia and Florida — Dr. Baldwyn. Stem 2 feet, in the 

 specimen before me producing only 3 leaves, a span apart, 

 pubtiscence partly ferruginous, on the stem and petioles 

 double, one kind more dense and short like thai of the 

 leaves, the otiier pilose and spreading; leaf 4 or 5 inches 

 long, leaflets an incli, and about 5 lines broad; flowers 

 purple. 



5. * prostrata. Gcdega viUosa. Mich. 2, p. 67. T. chry- 

 tophylla- Ph. 2. p. 489. Stem prostrate and pubescent; 

 leaves pinnate, subsessile, quinate and ternate, leaflets 

 cuneate-oboval, coriaceous, smooth above, sericeously vd- 

 lous beneath; peduncles about 3-flowered, opposite to, 

 and longer than the leaves; legume linear, and nearly 

 straight. Hab. Common around Savannah in Ceorgia, in 

 dry and sandy woods. Michaux's name is necessarily al- 

 tered in consequence of another species having been be- 

 fore named vtllosa. 



This genus of more than 40 species is principally indi- 

 genous to India, the Cape of Good Hope, and tropical 

 America. Its affinity to Indigofera is considerable, and 

 3'. tinctoria of Ceylon affords Indigo, 



5.23. TRIGONELLA. /.. (Femigrcek.) 



Vexillum and wings subequal, spreading, in 

 the form of a tripetalous corolla. Legume often 

 arcuate and mostly compressed. 



Herbaceoi'S, (often annual); leaves ternate; stipules cau- 

 line, small; flowers axillary and tenninal, solitary, subses- 

 sile, or in a peduculate spike or umbell. 



Species. 1 T. * amencana. Legume long and pedun- 

 culale, sohtrjry, linear, and compiessed; flowers uiiibrac- 

 teate; leaflets entire, oblong, acute, and villous; stipules 

 obsolete. Hab. On tlie dry and open alluvial soils of the 

 Missouri, from the river Platte to the Mountains. Lotus 

 cericeus- Ph. 2. p- 48y. Obs. Annual: stem erect, and 

 about 1 root high, sparingl) branched above^;^ I,eaves ter- 

 nate and sessile, sofllv pubescent, lateral leaflets oblique, 

 ihe cemrai one oblong-eUiptic, petiolate; stipules scarcely 

 visi'-k. Peduncle l-flow^red, longer than the leaf; flow- 

 er subiended by a foliaceous bracte; callx deeply cleft, 

 almost the length of the corolla; segments linear and 

 acute. Vexillum and wings nearly equal. Legume smooth. 



