Dioscorea. | CLIV. DIOSCOREACEX. (J. D. Hooker.) 293 
l4. D. decipiens, Hook. f.; leaves opposite ovate-lanceolate to 
orbicular finely pubescent beneath strongly 3-5-nerved, margin cartilagi- 
nous, male spikes short as in D. oppositifolia, but triandrous with 3 
staminodes on the petals. D. glabra, Wall. Cat. 5105 G, H. 
Burma; at Prome and Taongdong, Wallich ; Upper Burma, Collett. 
Resembles D. oppositifolia so closely that an examination of very many flowers of 
both species was necessary to determine me to regard it as a species; it has also 
hitherto occurred in a different geographical area, being confined to Burma where 
D. oppositifolia has not been collected. 
$$ Leaves perfectly glabrous on both surfaces (see also 13. oppositifolia). 
1$. D. laurifolia, Wall. Cat. 5111; very slender, leaves linear or 
narrowly oblong-lanceolate obtusely acuminate 3-nerved strongly reticulate 
beneath, male spikes very slender deflexed, flowers very minute, pistillode 
mmute. D. glabra, Wail. Cat. 5105 B. 
Pzxaxa, Porter, Main ay (Kew distrib. 1701), Hullett. 
Leaves 3-43 by Sp Kë eeh and diese rather stiff; base rounded or 
cuneate; petiole 3-1 in., very slender. Male spikes 14-21 in. long elongate uni- 
lateral panicles, solitary or 2-4-nate, pendulous ; flowers ṣẹ in. diam., scattered ; 
x Pals broadly oblong ; petals smaller, oblong ; anthers rather large, filaments short. 
ruit unknown. , 
Var.? More robust, leaves shorter elliptic more coriaceous, male spikes stouter 
very densely whorled in stiffer panicles, flowers larger gibbous at the base. 
5556) fl. in large branched green glabrous panicles.—Malaeca, Griffith (Kew distrib. 
.16. D. deflexa, Hook. f.; leaves chiefly opposite ovate-oblong acu- 
minate 5-nerved, base ed or obscurely cordate, male spikes 1-14 in. 
stout deflexed, anthers large, pistillode large. 
SINGAPORE and MArACCA, Maingay (Kew distrib. 1705, 1706). . 
ranches rather stout, terete. Leaves 4-5 by 13-3 in., strongly coriaceous, margin 
not thickened or cartilaginous ; petiole 1-14 in. Male spikes deflexed from the 
Pon: flowers globose, about 3 in. diam.; sepals broadly ovate; petals oblong. 
teme ff in long much branched lax-fld. perfectly glabrous panicles. Capsule 2 in. 
(Ce, retuse at the top and base. Seeds nearly lin. diam., wing very broad.— 
istinguished from oppositifolia by the deflexed male spikes and margin of leaf not 
ickenened, and the large pistillode. 
VU. D. 9bcuneata, Hook. f; very slender, leaves opposite cuneately 
: ‘ovate cuspidate 3-nerved CANA petiole short very slender, male 
tine l in. very slender in very slender axillary panicles, flowers very 
minute, pistillode obscure. 
CEYLON, , 
ranches terete, Leares 2 by 1-1} in., very thin and pale when ry; very 
sender, Nervules indistinct, base marrow exactly cuneate 3 petiole å in. Male spikes 
D eading horizontally, rachis almost capillary, flowers scattered, globose, sessi e, 
b. fr ‘am.—I have seen but one specimen, in the Hookerian Herbarium, mar ced 
have len by Sir W. Hooker, but with no other locality or collector s nam i 
obeunest ned throughout the genus for any species at all resembling 1 
eate leaves with very short slender petioles. 
Tt Leaves cordate hastate or broadly truncate at the base. 
18. D. an E . tomentose, leaves 
ns Suina, Roxb. Fl. Ind. ii. 803; softly tom D 
"PPosite and alternate large long-petioled broadly ovate- or orbicular- 
