116 .MKKlilLL. 



Annuals or perennials, witli turgid, somewhat hooked pods, not winged; seeds 

 small, oval, with a small lateral hilum (Subgen. Stizolobium) . 

 Pods densely covered with brown, stiff, very irritating hairs. 



Leaves densely gray-tomentose beneath, the leaflets mostly broader than long, 



the terminal one usually retuse, chartaceous 6. M. sericophylla 



Leaves slightly pubescent beneath, the leaflets longer than broad, acute or 



acuminate, membranaceous 7. M.prwiens 



Pods finely and softly gray-pubescent, the hairs not at all irritating, longi- 

 tudinally ridged in the median portion 8. M.nivea 



Pods densely and softly purplish-velvety, not or very obscurely longitudinally 



ridged - - 9. M. deenngiana 



Pods unknown; racemes about 13 cm long, and with the calyx yellow-tomentose 

 with short hairs, and with interspersed longer ones; young shoots, petioles, 

 and under surface of the leaflets f erruginous-tomentose ; flowers 5.5 to 6.5 



cm. long 10. M. aurea 



}. Mucuna nigricans (Lour.) Steud. Nom. ed. 2, 2 (1841) 163. 

 Citia nigricans Lour. Fl. Cochinch. (1790) 456. 

 Carpopogon imbricatum Roxb. Hort. Beng. (1814) 54, nomen. 

 Mucuna imhricata DC. Prodr. 2 (1825) 406; Baker in Hook. f. Fl. Brit. Ind. 

 2 (1876) 185; Prain in Journ. As. Soc. Beng. 66' (1897) 65; Merr. in Philip. 

 Journ. Sci. 1 (1906) Suppl. 67. 



Negrctia vrens Blanco Fl. Filip. (1837) 586, ed. 2 (1845) 409, ed. 3, 2: 387. 

 Mucuna monosperma F.-Vill. Nov. App. (1880) 63, non DC. 

 fitizolohium imbricatum 0. Ktze. Rev. Gen. PI. (1891) 208. 

 Zoopthalmum nigricans Prain 1. c. as syn. 



Luzox, Province of Cagayan, Bolster 126: Province of Zambales, HaUier s. «. ; 

 Province of Pampanga, Merrill SOlJf: Province of Bataan, Bur. Sci. 1885 Fox- 

 loorthy, Whitford 1028, Merrill 3783, Williams 231 : Province of Tayabas, Cuming 

 688. PoLiLLO, Bur. Sci. 6969 Robinson. Mindoro, For. Bur. 11455 Merritt. 

 Leyte, Elmer 7138. Mindanao, Province of Surigao, Bolster 31Jf: District of 

 Zamboanga, For. Bur. 9093 Whitford: District of Davao, Copeland O-'/'f. 



Native names: Duglo (Bataan); baluctot (Polillo) ; aUlipai (Zamboanga); 

 buquitquit, lipai, ex Blanco. 



Himalayan region to Indo-China and the Andaman Islands; probably also in 

 the Malay Archipelago. Closely allied species are M. junghuhniana (0. Kuntze) 

 Prain, of Java, and M. cyanospcrma K. Sch. from the Moluccas. 



2. Mucuna curranii Elmer Leafl. Philip. Bot. 1 (1907) 230. 



Luzon, Province of Ben^et, Elmer S////3, Williams l-',2.'i, Merrill .',818, For. 

 Bur. 5111 Curran, locally known to the Igorots as dungan. 

 Endemic. 



3. Mucuna mindorensis Merr. in Philip. Journ. Sci. 3 (1908) Bot. 231. 

 Mucuna acuminata Merr. 1. c. 1 (1906) Suppl. 196, non Grab. 



MiNDOBO, McGregor 322, 220, For. Bur. 6861 Merritt, Merrill J,069. It is 

 probably also represented by For. Bur. 10289 Curran, from Tayabas Province, 

 Luzon, and For. Bur. 2955 Ah^rn's collector, from Rizal Province, Luzon, both 

 without fruits. 



Endemic. 



I. Mucuna gigantea (Willd.) DC. Prodr. 2 (1825) 405; Baker in Hook. f. 

 Fl. Brit. ind. 2 (1876) 186; F.-Vill. Nov. App. (1880) 63; Vid. Rev. PI. Vase. 

 Filip. (1886) 109; Perk. Frag. Fl. Philip. (1004) 86. 



Dolichos giganteus Willd. Sp. PI. 3 (1800) 1041. 



Carpopogon giganteum Roxb. Hort. Beng. (1814) 54. 



Stizolobium giganteum Spreng. Syst. 4 (1827) Cur. Post. 281.. 



