230 



DIADELPHIA DECANDRIA. 



ly the figure of Plnkenet Aim. t. 120- f. 7. referred to by Linnaeus undeii 



the Glycine triloba. 



Grows on the sand hills along the margin of the ocean. 



Flowers Auirust to October. 



2. H 



ELVOLA. 



S. foliis ternatis, 

 deltoidibiis, oblonsis ; 



Horibus capitatis; vex- 

 illis brevibus; alls 

 pansis^ maximis. 



Leaves teniate^del-; 



toid^ oblong ; iflowers 



in heads 



vexillum 



short ; wings expand 

 ed, very large. 



' Phaseolus helvolus. Willd. Sp. pi. 3. p. 1032. Pursh 2. p. 470. 



r 



This plant is to me still obscure; among all the specimens I have seen 

 belonging tojthis genus^ I have met with none with large expanded wings- 

 Grows in Carolina. Linnaeus. 

 Flowers. 



I 



3. Peduncularis, Muhl. 



S. foliis ternatis, 



: flori- 



Leaves ternate, ob- 

 long oyate; flowers in 

 heads; vexillum large,. 



emarginate 

 small ; 



wmgs 



seeds woolly 



oblongo ovatis ^ 



bus capitatis ; vexillo 



majusculo, emargina- 



to; aUs parvulis ; se- 



minibus lanosis. 



r 



Phaseolus helvolus. Mich. 2. p. CO. Walt. p. 182. 

 P. vexillatus. Fursh 2. p. 470. 



Stem prostrate or climbing on small shrubs^ and with the whole ptmt 

 a little hairy. J^eaves oblongs ovate j tapering a little irregularly towards 

 the summit. 



acute. 



cs long. 



Common petioles 10 



Flowers 5 



1 5 lines long. Stipules lanceolate, 

 of a common neduncle, 6 — 7 i"^^"' 



—7 at the summit of a common peduncli , 

 CrtTyx 4-parted; upper segment broad, obtuse. Corolla piu'- 

 Fexillum nearly round. Wing$ oval, small, angled, as usual in this 

 class, near the base. Carina as long as the vexillumj spiral. Legume^ 

 terete, a little hairy. 



pie. 



Grows in dry and fertile soils. 

 Flowers July to September. 



They 



The plants in this genus form a small but very natural group. 

 have been arranged by different Botanists as species of Phaseolus, v^^^^' 

 chos and Glycine : to the Glycine, as it now remains in this sketch, tu^V 



feve no affinity, but they certainly form an intermediate genus betvreei^ 



