84 AKT. I.— B. HAYATA : 



Eemarkable for its peltate stipule ; leaflets are sometimes 

 entire, sometimes lobed. 



IPachyrrhi^us Rich. 



Pachyrrhizus angulatus Kich. ; Hook. f. Fl. Brit. Ind. II. p. 

 207 ; Hook, et Aen. Bot. Beech. Voy. p. 184 ; Foebes et Hemsl. 

 Ind. Fl. Sin. I. p. 194. 



Hab. Akö: Tökö, leg. G. Nakahaka, Sept. 1905, (No. 522). 



DisTEiB. South China ; Tropics. 



Obseev. Scandent ; leaves trifoliolate, terminal leaflet broadly 

 ovate, twice as broad as long, angulate, abruptly and shortly 

 acute, obtuse at the very end, 10 cm. long, 18 cm. broad, trinerv- 

 ed, stipellate, pale beneath, nearly glabrous, lateral leaflets 

 nearJy as the same as the terminal one, but very oblique ; flowers 

 on terminal raceme ; flowers 2 cm. long ; calyx silky-pubescens. 



JJerris Loue. 



Derris elliptica Benth. in Journ. Linn. Soc. IV. Siippl. p. Ill ; 

 Hook. f. Fl. Brit. Ind. II. p. 243. 



Hab. Jinkakurin, leg. T. Kawakami et Y. Shimada, Aprili. 

 1908, (No. 3769). 



DiSTKiB. India, Siam, Malay Archipelago. 



Derris oblonga Benth. in Journ. Linn. Soc. IV. Suppl. p. 112; 

 FoEBES et Hemsl. Ind. Fl. Sin. I. p. 199. 



Hab. Kötösliö, leg. T. Kawakami et Gr. Nab^ahaea, 1906, 

 Mart. (No. 1058). 



DiSTEiB. South China. 



