254 A FLORA OP MANILA 



Species about 15, India to Japan, southward to Malaya, 4 in the Phil- 

 ippines. 



Stipules peltate; pods densely hirsute, about 8 mm wide. 



1. P. thunbergiana 

 Stipules not peltate; pods nearly or quite glabrous, less than 5 mm wide. 



2. P. phaseoloidea 



1. P. thunbergiana (Sieb. & Zucc.) Benth. 



A rather coarse, scandent, pubescent, annual, herbaceous vine reaching a 

 length of at least 8 m. Leaflets ovate, acuminate, entire or slightly repand, 

 10 tp 20 cm long, the upper surface glabrous or nearly so, the lower surface 

 rather densely pubescent with soft, grayish hairs. Racemes axillary, 16 

 to 80 cm long. Flowers about 2 cm long. Calyx pubescent, the lobes acu- 

 minate. Corolla rather bright-purple, the standard 2 cm broad, with a 

 rather large yellow spot near the base. Pod 5 to 8 cm long, about 1 cm 

 wide, hirsute with spreading brown hairs. 



In thickets, dry hillsides, Pateros, opposite Guadalupe, etc., fl. July-Oct.; 

 local in the Philippines. Japan to China and Formosa. 



2. P. PHASEOUtiDES (Roxb.) Benth. 



A slender, scandent, hairy, herbaceous vine 2 to 4 m in length, the 

 stipules small, basiflxed. Leaflets ovate, irregularly 3-lobed and somewhat 

 sinuate, 6 to 12 cm long, the upper surface green, the lower surface pale, 

 and covered with long, appressed, white hairs. Racemes axillary, solitary, 

 8 to 25 cm long, or longer. Flowers pale-blue or purplish, about 12 mm 

 long, fasciculate along the rachis, the calyx appressed-hirsute. Pod 5 to 

 8 cm long, 4 mm wide, slightly appressed-hirsute. 



In open grass lands and thickets, fl. all the year; common and widely 

 distributed in the Philippines, undoubtedly introduced. India to China 

 and Malaya. 



44. DUNBARIA Wight & Arnott 



, Slender, herbaceous or woody, climbing vines. Leaves 3-foliolate, dis- 

 tinctly gland-dotted on the lower surface, stipels usually wanting; Flowers 

 solitary, axillary, or racemose. Calyx-teeth long and narrow, the lower 

 one longer than the others. Corolla more or less exserted, soon falling 

 or drying up and subpersistent, the keel usually not beaked. Stamens 

 diadelphous, anthers uniform. Ovary sessile or stalked, many-ovuled; 

 style inflexed, glabrous. Pod linear, flat not marked with depressed lines 

 between the seeds. (In honor of Professor Dunbar.) 



Species about 15, India to Japan, southward to Australia, 3 in the Phil- 

 ippines. 



1. D. punctata (W. & A.) Benth. (D. oonsperaa Benth.). 



A slender, twining, herbaceous vine, the stems filiform, somewhat pubes- 

 cent. Leaflets thin, subrhomboid, obtuse, 2 to 3.5 cm long, the lower 

 surface gland-dotted with small, reddish glands. Flowers yellow, axillary, 

 solitary, short-petioled, about 9 mm long, the calyx gland-dotted and pub- 

 escent. Pod linear, recurved, 3 to 5 cm long. 



In thickets near Fort McKinley, fl. Sept.-Oct.; known in the Philippines 

 only from the vicinity of Manila. India to China southward to northern 

 Australia. 



