396 CLIV. DIOSCOREAGEZ. (J. D. Hooker.) [Dioscorea. 
view. In Sp. Plant. he cites for sativa also Rheede’s plate of D. aculeata, to which 
Kunth and others have confined the name. Lamk. Encycl. iii. 232, gives the Sp 
D. Cliffortiana to Linneus’s plant, but figures (Ill. t. 818) a very different oa e 
it, rejecting the name sativa because he does not consider it to be the cultiva : 
*igname." The difference in the size of the male flowers of sativa are so E, 
that I have suspected that two species may be included, but I have failed to de 
them. 
Sect. VII. Sepals narrowly oblong or lanceolate sub-valvate. Cap- 
sule broader than long, carpels rounded. Seed winged all round. 
25. D. alata, Linn. Sp. Pl. 1033; quite glabrous, stem acatey 
angled or winged, leaves subhastately or deeply cordate orbicular or SH 
5-7-nerved, male fl. in slender fascicled spikes. Kunth Enum. Jet 
Roxb. Fl. Ind. ii. 797 ; Wight Ic. t. 810. D. japonica, Hb. Madr. in Watt. 
Cat. 5107 (not of Thunb.) D. acutangula, Ham. in Wall. Cot. 5109. D 
octangularis, Devipata, & Bisantaca, and Hurchusia, Herb. Ham. H 
odoratissima, Wall. mss. (Ic. in Herb. Kew). D. anguliflora, Steud. 4t. 
Hohenack. exsicc. No. 699 A. D. bulbifera, Russ. ex. Wall. Cat. 
TROPICAL INDIA (cult. ?). . 
Roots very large. Stem iut (spinous towards the base in D. Devipata), eps 
tuberiferous, variously angled or winged. Leaves as in D. sativa, almost ` TI, 
site; from orbicular to hastately ovate; petiole stout, often winged. wee) nt 
and flowers as in D. sativa ; fem. in much stiffer spikes, and capsule entirely di d orbi. 
broader than long, 1-1j in. diam., very broadly obcordate, coriaceous. See ser 
cular, broadly winged all round.—Of Steudel’s anguliflora from Canara I have 
young fruit only. 
IMPERFECTLY KNOWN AND UNDETEERMINABLE SPECIES. "S 
D. ACULEATA, Linn, Sp. Pl. 1033. The authority for this is Rheede's RP 
Kelengu, vii. 71, t. 37, which is unrecognizable. A knowledge of the 
languages might reveal it. ther 
D. ANGULATA, Rowb. in Steud. Nomencl. Ed. ii. i. 511. Ihave found no 0 
reference to this species. at 
D. ATROPURPUREA, Roch Fl. Ind. iii. 800 ; tubers subrotund purple through? , 
branches 4—7 winged, wings coloured and curled, leaves deeply cordate og ag Wa 
petioles winged bases much enlarged and stem clasping.—Cultivated in Ma 
Pegu and the Eastern Islands. 
D. BULBIFERA, Linn. Sp. Pl. 1033, is in same category as D. aculeata; 
R heede's Katu-Katsjit, vii. 69, t. 36. 
D. crispata, Rozb. Fl. Ind. iii. 802; tubers rounded, stem unarmed 
10-15 winged, wings curled, leaves alternate broad cordate 7 11-nerved, 
with curled wings, male spikes panicled, fem. pendulous, perianth segment 
white.—Interior of Bengal. 
D. CYLINDRICA, Vitm, Summ. Pl. v. 426. For this plant the author 
Rheede Hort. Mal. vii. t. 50 which isa Cucurbit. egg 
D. FASCICULATA, Roxb. Fl. Ind. iii. 801; tubers pendulous size of an, ary, 
attached by slender filaments white, stem very slender, terete, prickles CT " 
leaves alternate round cordate 3-7-nerved ‘slightly villous.—Cultivate 
Calcutta. inged 
D. etozosa, Roxb. l. c. 797; tubers large round white, stems 6 fora 
prickly towards the root, leaves opposite and alternate sagittate-cordate | hon cott 
waved 5-7-nerved, petiole 5-winged nearly as long as the leaf, male sp! remote 
pound long pendulous verticilled, fem. axillary simple erect, flowers few very 
fragrant.—Cultivated by Hindoos, the most esteemed yarn by Europeans. 
it is 
terete 
tiole 
linear 
cites 
