Vol. X, No. 1.] The Dioscoreas of the Old World. 33 



[N.S.] 



obtusa, incmva, glabra, 1 mm. longa. Petala late elliptico-ovata, 

 se pairs brevmra, glabra. Stamina 6, brevia. Flores ft, minei 10— 15 in 

 pica plerumquo simplicos ad 15 cm. Ion gas dispositi: axis pubescms : 

 bractoae ovaUu, acuminata, fere glabrae. 1 mm. Ion e. Sepala Man- 

 -ulan-ova'a, obtuse, craasa, -75 mm. longa, glabra. Petala similia, 

 minora. Staminodi t minuta. Capvulce griseo-f DM8» , rufo-maculafci», 

 slabrne, pedicello incluso 15 mm. longer: alee latiores quail) semirirni- 

 lares, 15 mm. longa* , 12 mm. lata-. 



India orientalis : in montibus assamiois arakanenshu -te 



In districtu Xowgon* ad Lumding, (Bttrkill, 35309 1 Kallca Pershad, 



35575!). In district u Cachar ad Alni in ripis fluminis Barak, (Gagel). 

 In montibus Khasianis ad flnminein Bor-Pani, (Hooker /. & Thomson »). 

 me loco, (Mannl Griffith. 5549!). In montibus cacharicis ad Haflonp, 

 (Shmk Mokvm, 184! 273! Ballantine, 31830! Cra«6. 13! Bur kill . 33011 ! 

 33022 ! 33024 !). ad D uneherra, {Keenan I). In districtu Chittagong, sin.' 

 loco, (tfruce in Herb, Wall. 51<>5D!). In districtu San do way, sine loco, 



[Mus. R.E.P. 15031!). Etiamque sine locis, (Booth in Herb. Nuttall ' 

 florbunjh !). 



81. D. PYRI FOLIA, Kunth, Enuin.. v. (1850), p. 384: 

 Miq. f Flor. Ind. Bat., iii. (1855), p. 571 : Hook. f. Flor. 

 Brit. Ind., vi (1892), p. 292: Ridley, Mat. Flor. Malay Pen. 

 ins., ii. (1907), p. 82. D. cornijolia, Kunth, Enuin., v. 

 (1850), p. 38: Ridley, Mat. Flor. Malay Penins., ii. (1907), p. 

 si, in chief part D. Diepenhorstii Miq., Flor. Ind. Bat.. 

 suppl. (1860), p. 611. D. ferruginea, Thunb. in Herb, propr. 

 D.nummularia, Blume, Enum. Plant. Jav., i. (1827), p. 21 : 

 Hassk. in Tijds. Nat. Gesch., ix. (1842), p 136. D. ornata, 

 Wall, in Herb, propr. D. preangeriana , Uline ex Harms in 

 Herb. Lugd. D. repanda, Hallier in Herb. Lugd. The com- 

 monest Dioscorea in the Malay Peninsula : in Sumatra, Java 

 and Borneo ; and occurring also in Cambodia and Timor-laut : 

 erroneously recorded as having been obtained in the Philippine 

 islands by Cuming. Cuming's plant came from Malacca. 



Variat : 



Var. ferruoinea. Folia siccitate infra f err n jinea, pterumque copi 

 fulvo-pubescentia. 



Var. vera. Folia siccitate infra grisea, venis castaneis plerumque 



copiose m lleo flavescentia. 

 Var. DiKi-ENH rstii. Folia siccitate infra grisea, pilis fulvis nisi ad 



insertionem petioli absentibus. 

 Varietas fkrruuinea frequens est per regionem \ varietas orisba 

 rarior: varietas Dtepenhorstii reperitur in Sumatra et Borneo et 

 Timorlaut, et Cambodia. 



82. D. Loheri. Found in the island of Luzon, in the 

 districts about the latitude of Manila. 



D. Loheri. Tubera esculenta, a nobis baud visa. Gaules aculei- 

 armati, glabri. Folia opposita vel subopposita, glabra, hastata barbie 

 divergent! bus vel ha^tato-cordata, vel subovata, plus minus ve marginata, 

 ad 9 cm. longa, ad 2 cm. lata supra b\rba, sed ex barba ad barbam 4 

 cm. lata, 7-nervia : area media a nervorum lateralium primo pare 

 terminata oblanceolata : vena? secundaria? suboblique trajecta-, incon- 

 spicule: petiol us ad 4 cm. longus. Flo res maris 40 in spicas paten- 

 tes ad 4 cm. long is dispositi ; spiea} ipgae vel in ramos aphvllos vel ad 



