407 
Distr. India, or Burma, Yunnan, Polynesia, Mascerene Is., 
West Tropical Africa. 
Dioscorea birmanica, Prain ct Burkill. 
ee ee in scrub jungle at foot of Doi Sootep, 330 m., Kerr, 
132 
Distr Burma. 
Dioscorea brevipetiolata, Prain et Burkill. 
Sriracha, Nawng Kaw, edge of railway track, 30 m., Kerr, 2047. 
Dioscorea bulbifera, Linn. 
iengmai, in scrub jungle, 300 m., Kerr, 1529b; near Muang 
enh 225 m., Kerr, 2206 ; Phre, 156-240 m., Luang Vanpruk, 
127. 
Dist Through India except the driest parts, Ceylon and 
eastwards to Tahiti reaching Japan northwards and entering 
Australia southwards. Probably on an introduction in other 
parts of the world (e.g., Africa acd W. Indies). 
Lao name, Koii (ex Kerr). 
Dioscorea daemona, Rozd., var. mollissima, Prain et Burkill. 
Shiengmai, in mixed jungle at foot of Doi Sootep, 300 m., Kerr, 
Distr. Thr rough India except the dry cee of the N ee West, 
Ceylon and eastwards through southern Malaya to New 
Guinea ; var. mollissima in the Malay region oa 
Dioscorea decipiens, (Zook. f. 
Chiengmai, Doi Sootep, in mixed jungle, 360 m., Kerr, 14+ 
Distr. urma, just entering Southern China and reaching 
Cochinchina. 
Dioscorea glabra, Roxb. 
Chiengmai, Doi Sootep, in scrub jungle, 330 m., Kerr, 
Distr. From Orissa and Bengal eastwards to the Malay. tobi, 
Dioscorea kamoonensis, Ath. 
Chiengmai, Doi Sootep, in open jungle, 1560 m., Kerr, 1374, 
Distr. Along the Himalaya to South-W estern China and thence 
southwards in a few ranges. 
Dioscorea Kerrii, Prain et Burkill. 
Chiengmai, Kerr, 1404 
Dioscorea membranacea, Pierre 
ce ae Doi Sootep, in mixed Jjunghe, 360 m., Kerr, 1245 ; 
Meh Hia, 330 m., in mixed jungle, Kerr, 1951 
Distr. “Chin Hills, Cochinchina. 
Dioscorea pentaphylla, Linn. 
Chiengmai, Doi Sootep, 900 m., Kerr, 1383, 1383a. 
Distr. India, ce ta the Punjab, Ceylon a eastwards to Tahiti 
entering Southern Chin 
Dioscorea pentaphylla, Coe var. near var. Jacquemontii. 
Chiengmai, Doi Sootep, in mixed jungle, 360 m., Kerr, 1450. 
This variety is confined to Western India. ia, 1450 cannot be 
proved to be the same with the root and abundance of ¢ flowers. 
