Dioscorea. ] Dioscoreacez. 287 
sativa Hk. f. in Trim. Fl. Ceyl. IV, p. 278 (1898) pp. ?Linn. D. 
aculeata Prain and Burkill in Journ. As. Soc. Beng. X, p. 19 (1914) 
non Linn. Panu-konda, Hin-kukul-ala, S. Siru-valli- 
kilangu, Mullu-valli-kilangu, Siru-kilangu, T. 
Cultivated. 
Var. FASCICULATA (P. & B.) D. aculeata var. fasciculata Prain and 
Burkill 1. c. Javala, Katu-kukul-ala, Maha-kukul-ala, S. 
Cultivated. 
Native of Burma? 
1. D. tomentosa Linn. 
Mul-valli-kilangu, 7, 
2. D. pentaphylla Linn. Mallai-valli-kilangu, Shini- 
valli-valli-kilangu, T. (Gamble). 
Var. Ginnei Prain and Burkill |. c. p. 23. 
Root tubers elongated, with white juicy flesh; plant with 
white hairs particularly on the male flowers; leaves somewhat 
shining. 
Hantane. 
Var. Thwaitesii Prain and Burkill 1. c. 
Leaves thinner, not shining. 
Hantane. 
Var. Thwaitesii is probably a slender form not worth distinguishing. 
‘Throughout Tropical Asia and Oceania. 
3. D. bulbilifera Linn. Sp. Pl. p. 1035 (1753); Prain and Burkill 
l. c. p. 26. D. pulchella Roxb. Hort. Beng. p. 72 (1814) nomen; FI. 
Ind. III, p. 801 (1832). D. sativa Hk. f in Trim. FI. Ceyl. IV, p. 278 
(1898). pp. ?Linn. Udala, Panu-kondal, S. 
Throughout Tropical Asia and Oceania. 
Pere 277.— 
4. D. spicata Roth. Nov. Sp. p. 571 (1821); Hk. f. in Trim. FI. 
Ceyl. IV, p. 277 (1898) pp. ; Prain and Burkill 1. c. p. 29. 
Var. parvifolia Prain and Burkill 1. c. D. intermedia Trim. 1. c. 
P-. 277 PP- 
Leaves 3-4 in. long. 
Maturata ; near Medamahanuvara; Kukul Korale. 
Var. anamallayana Prain and Burkill 1. c. 
Leaves larger, up to Io in. long. 
Ambagamuva; Sabaragamuva; Vatagoda. 
Also in S. India. 
5. D. intermedia Thw. Enum. p. 326 (1864); Hk. f. Trim. I. c. 
p. 277 pp.; Prain and Burkill l. c. p. 29. D. spicata Hk. f. in Trim. 
l.c. p. 277 pp. Gon-ala, S. (?) Kombu-valli-kilanu, T. 
Between Negombo and Kurunegala; between Haragama and Raja- 
vella ; Ganoruva? 
Also in S. India. 
6. D. Trimenii Prain and Burkill l. c. p. 29. Dioscorea spicata 
fk fi Feon::1. c.. p2-277 pp. 
Root tubers unknown; stem glabrous, thin, unarmed; 
leaves opposite, ovate-lanceolate, hastate-cordate, acuminate, 
Part IV. 
