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. Amer. 



P. multiflbrus, 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 Dominie 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. ® 

 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. L&blab, Linn. Egyptian or Black Bean. Smooth twiner ; raceme^ 

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

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

 India. 



40. STROFHOSTYLES. (Greek: turning, style.) 



S. anguldsa, 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 lJ"-2" long; pod 1J'— 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. andS. ® 



41. CENTROSEMA, SPURRED BUTTERFLY PEA. (Greek: 

 spur, standard.) % 



C. Virgini&num, Benth. Tracing 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, 1' 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. 



