30 Journal of the Asiatic Society of Bengal. [January, 1914. 



forests of Assam, and of the hills on either side of the 

 Brahmaputra valley, as far west as Sikkim. 



90. D. gibbiflora, Hook, f., Flor. Brit. Ind., vi. (1892), 

 p. 294: Ridley, Mat. Flor. Malay Penins., ii. (1907), p. 82. 

 D glabra, Wall., Cat. Lith., (1832), No. 5105B, in part. Malay. 

 Peninsula, Java, Celebes and the Moluccas. 



91. D. Fordii, Prain et Burkill, in Journ. Asiatic Soc. 

 Bengal, iv. (1908), p. 450. D. Batatas, Benth., Flor. Hong- 

 kong., (1861), p. 368, in part: C. H. Wright in Journ. Linn. 

 Soc. Bot., xxxi. (1903), p. 91. D. glabra, C. H. Wright, loc. 

 cit. Hongkong and adjacent mainland. 



92. D. belophylla, Voigt, Horb. Suburb. Calc, (1845;, 

 p. 652: Prain, Bengal Plants, ii. (1903), p. 1067. D. deltoidea, 

 Stewart, Punjab Plants, (1869), p. 128, in small part. D. deU 

 toides, Baden-Powell, Punjab Products, i. (1868), p. 259, in 

 part. D. glabra, Hook, f., Flor. Brit. Ind., vi. (1892), p. 294 , 

 in part: Collett, Flor. Simlensis, (1902), p. 519. D. sagittate, 

 Royle ex Voigt, Hort. Suburb. Calc, (1845), p. 653. Z). sp. 9 

 Aitchison, Cat. Punjab and Sind Plants, (1869) p. 14s. A 

 species demanding less rain than most of the others : met with 

 along the Himalaya towards the west as far as the vale of 

 Kashmir, and found also in the Salt Range : eastwards its 

 distribution, as far as is known, terminates iti Sikkim: south- 

 wards it occurs on hill crests as far as the Nilgiri Hills : once 

 it has been obtained in the Khasia Hills. 



93. D. belophylloides, Prain et Burkill, in Journ. 

 Asiatic Soc. Bengal, iv. (1908), p. 448. The eastern parts of 

 subtropical China. 



94. D. Lepcharum. A curious species which the Lep- 

 chas of Sikkim value as food. 



D. Lepcharum. Tubera 2 — 1, divergentia, ex parte basali vix 

 1 mm. diametro 5 — 19 cm. longa clavata, apice rotundata, grisea : caro 

 mollis, alba, esculents. Caules inerm9s, glabri, striati vel subteretes. 

 Bulbillce nuces Juglandis ®quantes. Folia glab a, nee marginata, oppo- 

 sita vel alterna, s®pe exacte cordata vel raro atiriculis extensia subcor- 

 data, tenuia, ad 13 cm. longa, ad 8 cm. lata (3®pis3ime 10 cm. longa, 

 o cm. lata) 7-nervia: area media a nervorum lateralium pare prime 

 terminata elliptico-ovata : venae secundaria* irregulariter suboblique 

 traject®, supra indistinct®, infra satis distinct® : petiolus ad 10 cm. 

 longus, s®pis9ime folio ®qui!ongus. Flores maris ad 40 in spieas 

 15—20 mm. longas bina8 ad axillas bractparum oppositarum dispositi : 

 pic® ips® in ramos aphyllos composit® : axis conspicue angulatus, 

 glaber : bracte® trangulari-ovat®, reflex®, acuminata-, long®: 

 bracteol® similes nisi breviores. Alabastra obovoidea. Sepala obovata 

 basi lata, crassa, 1*25 nrtn. longa, Petala obov ta, basi anguata, sepa- 

 lis paululo minora, crassa. Stamina 6 : anther® filamentis duplo mino- 



