1897.] Gr. King — Materials for a Flora of the Malayan Peninsula. 53 



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

 quebaricus Jacq. Hort. Yidob. 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, 1* 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. Racemes 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 *1 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 "75 in. long. 

 Pod 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. Racemes 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 Cacara under which designation it was 

 published by Thouars (Diet. 8c. Nat. V, 35) twenty years before Richard's name was 

 issued. 



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

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

 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. 



