PULSE FAMILY. 135 



and curved, to scimitar-shaped; seeds few, large, and flat. Like the 

 preceding, this runs into many forms, amongst them the BUSH or DWARF 

 LIMAS. S. Ainer. 



P. mult/fldruSi Willd. SPANISH BEAN, SCARLET RUNNER when red- 

 flowered ; twining high ; flowers showy, bright scarlet, or white, or mixed, 

 in peduncled racemes surpassing the leaves ; pods broadly linear, straight 

 or a little curved ; seeds large, tumid, white or colored. Tropical 

 America. 



38. VIGNA. (For Dominic Vigni, commentator of Theophrastus at 

 Padua in the 17th century.) 



V. Sinensis, Hassk. CHINA BEAN, BLACK-EYED BEAN, BLACK PEA, 

 COWPEA. With long peduncles bearing only 2 or 3 (white or pale) 

 flowers at the end ; the beans (which are good) white or dark with a 

 black circle round the scar; is widely grown in the S. for forage. (I) 

 China and Japan. 



V. luteola, Benth. Wild from S. C. to Fla. and W., is hirsute, with 

 ovate or lance-ovate leaflets ; yellow flowers on stout peduncles longer 

 than the leaves, and hairy pod. 



39. DOLICHOS, BLACK BEAN, etc. (Greek: name of a Bean, 

 meaning elongated, perhaps from the tall-climbing stems.) 



D. Ldblab, Linn. EGYPTIAN or BLACK BEAN. Smooth twiner ; racemes 

 elongated ; flowers showy, violet, purple, or white, 1' long ; pods thick, 

 broadly oblong, pointed ; seeds black or tawny with a white scar. 

 India. 



40. STROPHOSTYLES. (Greek-, turning, style.) 



S. angu!6sa, Ell. Spreading on the ground; ovate entire or com- 

 monly 3-lobed or angled leaflets ; peduncles twice the length of the 

 leaves; flowers purplish, or at length greenish; seeds oblong, 3" long; 

 pod 2'-3' long by 3" wide. Sandy shores and river banks. 



S. peduncularis, Ell. More slender than the preceding, sometimes 

 twining a little ; leaflets ovate or oblong-linear, entire, rarely at all 

 lobed ; peduncles several times surpassing the leaves ; flowers pale 

 purple; seeds l%"-2" long; pod l'-2' long, scarcely 2" wide. Sandy 

 soil, from L. I. and S. Ind., S. 1J. 



S. paucifldrus, Wats. Spreading or low-climbing, slender, pubescent ; 

 leaflets small, oblong-lanceolate or linear ; flowers few and small, pur- 

 plish, on a short peduncle ; pod straight, flat, only 1' long. River banks 

 W. and S. () 



41. CENTROSEMA, SPURRED BUTTERFLY PEA. (Greek: 

 spur, standard.) 2/ 



C. Virginianum, Benth. Trailing and low twining ; slender, roughish 

 with minute hairs ; leaflets ovate-oblong to linear, very veiny, shining ; 

 peduncles 1-4-flowered, shorter than the leaves ; flowers showy, violet- 

 purple, V long, in summer. Sandy woods, chiefly S. 



42. CLITORIA, BUTTERFLY PEA. (Derivation recondite.) 2/ 



C. Mariana, Linn. Smooth ; stem erect or slightly twining (l-3 

 high) ; leaflets obovate-oblong, pale beneath ; flowers very showy, light 

 blue, 2' long, 1-3 on short peduncles ; pod straight, few-seeded ; flowers 

 summer. Dry ground, N. J., S., and W. to Mo. and Tex. 



