256 DIOSCOREACEM. [ ENANTIOPHYLLUM. 



8. D. glabra, Roxb. ; Fl. Ind. Hi, 803 ; F. B. I. vi, 294 (in 

 chief part) ; Prain and Burkill. 1. c. p.37. D. nummularia, Roxb. ; 

 Fl. Ind. Hi, 803. D. Wallichii, Hk. f. in F. B. I. vi, 295 (in small 

 part). 



India, south of the. Ganges in the moister parts, the Himalaya from 



C. Nepal eastwards, the plains of Bengal and Assam, also in Burma 

 and Siam, extending to the Malay Pen. and Islands eastwards to 

 Java. 



VAB. vera, B. and P. 1. c. page 38. 



Leaves ovate, thin, very glaucous on lower surface, tinged with red 

 in drying. Recorded from Dehra Dun (Duthie), and from the Kheri 

 district of N. Oudh (Duthie's collector No. 22827 (a), and from the 

 Gorakhpur district (Duthie's collector No. 22827). 



9. D. alata, Linn. Sp. PL (1753), 1033 ; F. B. I. vi, 296, Watt 



fi. D. ; Prain Beng. PL 1067 ; Prain and Burkill 1. c. p. 39. D. 



atropurpurea, globosa, purpurea, and rubella, Roxb. FL Ind. iii 9 



pp. 797-800. 



Cultivated throughout the Tropics, wherever the rainfall is sufficient. 

 It is certainly of eastern origin and was perhaps derived from D. 

 Hamillonii. In the W. Himalaya races exist, here classed under var. 

 Tarri, which appear as if D. bdopliylla may possibly enter their 

 composition. A plant widely cultivated is commonly polymorphic 

 as regards the parts subjected to man's influence, and D. alata is no 

 exception ; it shows a great variety of forms of tuber * * * 



D. alata sometimes flowers and very rarely fruits (Prain and 

 Burkill). Vern. Kham (Beng.). 



VAB. Tarri, P. and B. L c. p. 39. 



Veins on lower surface of leaves conspicuous. Cult, in Kumaon and 

 in the adjacent parts of the Himalaya. 



VAB. vera, P. & B. L c. 

 Veins less conspicuous. 



CXI. LILIACE^E. 



Herbs, rarely shrubs or small trees, with fibrous roots, or with a 

 creeping rootstock or a bulb or corm. Leaves cauline or radical, 

 somtimes none. Flowers usually 2-sexual, axillary Wr terminal, 

 solitary or geminate or arranged in umbels, spikes, racemes, 



