LEGUMINOSAE 241 



tinged with pink, 4 to 5 mm long. Pod pubescent, slightly curved or 

 falcate, 1 to nearly 2 cm long, consisting of from 3 to 7 joints. (PI. Filip. 

 pi 337, D. gangeticum.) 



In thickets, Masambong, fl. Nov.-Jan.; of local occurrence in Luzon and 

 Palawan. Burma, the Malay Peninsula, and Java. 



10. D. GANGETICUM (L.) DC. 



An erect or ascending, suffrutescent, somewhat branched plant usually 

 about 1 m high, the stems slender, somewhat angular and grayish-pubescent. 

 Leaves simple, the petiole 1.5 to 2 cm long, the blades oblong-ovate, acute, 

 base rounded, grayish-pubescent beneath, 6 to 13 cm long, 3.5 to 7 cm wide. 

 Racemes lateral and terminal, ascending, slender, up to 30 cm long. 

 Flowers nupierous pale-greenish, about 4 mm long. Pods numerous, some- 

 what curved, crowded, 1.5 to 3 cm long, about 3 mm wide, consisting of 

 from 4 to 10 joints, pubescent. 



In open, rather dry lands, San Pedro Macati, etc., fl. most of the year; 

 widely distributed in the Philippines, undoubtedly introduced. Tropical 

 Africa, and Asia, extending to Australia and Polynesia. 



11. D. LASIOCAEPUM (Beauv.) DC. (D. latifoUum DC). 



An erect, somewhat branched, suffrutescent herb or undershrub 1 m 

 high or less, densely and softly pubescent. Leaves simple, rarely 3-foliolate 

 with a pair of much reduced lateral leaflets, coriaceous, broadly ovate, 

 rounded or obtuse, base broadly rounded or subcordate, 4 to 8 cm long. 

 Racemes axillary and terminal, erect, solitary, densely many-flowered, 5 to 

 10 cm long. Flowers pink-purple, 4 to 5 mm long. Pods 1.5 to 2 cm long, 

 linear, about 5-jointed, slightly curved, densely covered with spreading, 

 hooked hairs. 



In open dry places near Fort McKinley, fl. Nov.-Dec.; widely distributed 

 in the Philippines, probably introduced. Tropical Africa, Asia, and Malaya ; 

 introduced in the West Indies. 



24. ALYSICARPUS Necker 



Erect or spreading, branched, annual herbs. Leaves simple, stipellate, 

 suborbicular to linear. Flowers small, in axillary or terminal racemes. 

 Calyx deeply toothed, the upper 2 teeth often connate. Corolla not 

 exserted; standard broad; keel obtuse, adhering to the wings. Stamens 

 diadelphous. Ovary sessile or subsessile, many-ovuled. Pod cylindric or 

 turgid, composed of several, indehiscent, 1-seeded joints. (Greek "chain" 

 and "fruit," in allusion to the jointed pods.) 



Species about 15 in the tropics of the Old Wprld, 3 in the Philippines, 

 possibly all introduced. 



1. Leaves linear to lanceolate-linear; pods smooth; calyx equaling several 



joints of the pod ,-■ 1. A. bupleurifolpia 



.1. Leaves suborbicular to oblong or oblong-lanceolate; calyx as long as the 

 first or the first two joints of the pod. 

 2. Erect or suberect often 1 m high; pods quite glabrous.. 2. A. vaginalis 

 2. Prostrate or spreading; pods pubescent.. 3. A. nummular if alius 



1. A. buplurifolius (L.) DC. 



An erect, slender, branched, somewhat wiry herb 25 to 50 cm high. 

 Leaves linear to linear-lanceolate, 2 to 5 cm long; stipules lanceolate-- 

 acuminate, brown, 8 mm long or less. Racemes terminal, slender, inter- 

 111B65 — ^16 



