48 P^llse (Leguminosce). [No. 7 



on long claws. Calyx, tubular, five-toothed, three- 

 quarters inch long, with small bracts . beneath. 

 Stamens, united toward the base. Style, curved 

 and bearded down the inner side. C luster-stems y 

 shorter than the leaves. July, August. 



Leaflets, three, usually about one inch long and half an 

 inch wide though often larger, mostly long egg- 

 shape. Apex, blunt or slightly pointed. Base, 

 usually rounded or slightly heart-shaped. Stipules 

 and bracts, awl-shape. 



Pods, one and a half to two inches long, very narrow, 

 flattened, knotty, pointed with the remains of the 

 style. Seeds, three or four. 



Found, in dry ground from New Jersey to Florida, and 

 westward to Missouri and Texas. 



A smooth perennial vine, ascending and twining, woody 

 only at the base. Stem one to three feet in length, slender 

 and branching. 



(5) Genus AMPHICARP^EA, Ell. 



From two Greek words meaning " both" and " fruit," with reference to the different 

 forms of the pods. 



Fig. 24. Hog-Peanut. A. commbsa (L.), Riddell. A.monbica^Nutt. 



Flowers, purplish, two sorts, in axillary, usually few-blos- 

 somed, drooping clusters, those on the upper branches 

 complete, but seldom fruiting ; those on the lower 

 creeping branches bearing fruit, but with few sta- 

 mens, if any, and with the corolla lacking or merely 

 rudimentary. Keel and wings, nearly straight and 



