Materials for a Flora of the Malayan Peninsula. 63 



Wall. Cat. 5550 ; Bot. Mag. t. 2232 ; W. & A. Prodr. 250. D. tran- 

 quebaricus Jacq. Hort. Vidob. Ill, t. 70 ; DC. Prodr. II, 400. 

 Cultivated in most of the provinces. 



Widely cultivated in the Eastern Hemisphere ; probably a native of S.-E. Asia, 

 but apparently not now known in a truly wild state. 



3. ViGNA PiLOSA Bak. in Flor. Brit. Ind. II, 207. A slender 

 twining perennial with hirsute stems. Leaves 5-8 in. long, leaflets 3, 

 green, downy to subscabrid on both surfaces, entire ovate-acute 3-6 in. 

 long, I •5-2- 5 in. wide, base truncate — of lateral leaflets unequally ; petiole 

 2 in. long, closely downy, petiolules '05 in. only, stipeis subulate minute ; 

 stipules 1 in. lanceolate caducous. iJacemes many-fld. 2-3 in. long on 

 peduncles -5-2 in. long, nodes 1-2-fld. all close together in flower, at 

 length -15 in. apart, pedicels *! in. downy, bracts minute. Calyx 

 campanulate oblique thinly silky, 3 in. long, lower tooth lanceolate as 

 long as tube one half exceeding the others. Corolla purple 'lb in. long. 

 Fod 4-5 in. long, subcylindric '25 in. in diam., densely hirsute with 

 spreading hairs, septate within between the 8-12 subreniform shining 

 black seeds with truncated ends, '25 in. long -15 in. wide. Dolichos 

 pilosus Roxb. Hort. Beng. 55 ; Flor. Ind. Ill, 312 ; DC. Prodr. II, 397 : 

 W. & A. Prodr. 249. Phaseolus difformis Wall. Cat. 5599. 



Andamans ; common, King's Collectors ! Disteib. India and Indo- 

 China. 



10. Pachtrhizus Rich. 



Wide-climbing herbs. Leaves pinnately 3-foliolate with stipellate 

 lobed leaflets. Bacemes long, with tumid nodes and fascicled pedicels ; 

 bracts and bracteoles setaceous, caducous. Calyx 2-lipped, the limb as 

 long as the tube, the upper lip emarginate, the lower deeply 3-toothed. 

 Corolla much exserted, the petals subequal ; keel obtuse. Stamens 

 diadelphous ; anthers uniform. Ovary subsessile, many-ovuled ; style 

 long circinate at the apex, bearded down the inner side below the very 

 oblique stigma. Pod large, linear, turgid, deeply depressed between 

 the seeds. Species 2 or 3 ; the others Mexican and Angolan. 



The oldest name for this genus is Gacara under which designation it was 

 published by Thouars {Diet. Sc. Nat V, 35) twenty years before Richard's name was 

 issued. 



Pacatrhtzus angulatus Rich, ex DC. Prodr. II, 402. A large 

 strong climber with a tuberous root ; stems stout, suffruticose, young 

 stems and branches deciduously downy. Leaves 8-9 in. long, trifoliolate ; 

 leaflets large, membranous glabrous as broad as long base entire deltoid 

 from middle of circumference anterior half deeply or shallowly lobed, 

 4 in. long, as much across ; petiole 5-6 in. long glabrous, petiolules '2 in. 



63 



