338 LEGUMINOSH. { Derris. 
like or tendril-like recurved, the young shoots slightly puberulous ; 
leaves unpaired-pinnate, about 2 m. long, the young rachis slightly 
puberulous ; leaflets usually in 2 pairs, alternate, obovate to cuneate- 
obovate, on a slender about a line long puberulous petiolule, more 
or less retuse, about an inch long or somewhat longer, entire, mem-. 
branous, while young sprinkled with minute appres i 
flowers small, white, on puberulous pedicels up to } a line long, 
forming a short tawny puberulous raceme or racemose cyme in the 
axils of the leaves; calyx about 14 lin. long, almost glabrous, the 
teeth short and broad, blunt; corolla glabrous, about 3 lin. long, 
the petals long-clawed; stamens 10, united in a single slit sheath ; 
ovary glabrous; pods compressed, lunately-oblong, 3-1 in. long, 
—_ at the base contracted into a short stalk, smooth, brown, 
1-seeded. 
Has.—Tidal jungles of Upper Tenasserim.—Fl. March. 
DERRIS, Lour. 
Cc truncate or very shortly and broadly toothed. Standard 
obovate or orbicular; keel slightly incurved. Upper stamen 
usually free at the base, but united from the middle with the others 
in a slit sheath ; anthers uniform. Ovary sessile or shortly stalked, 
with several o ; style incurved, with a small terminal stigma. 
Pod flat, oblong or linear, thin or coriaceous, indehiscent, the upper 
or both sutures bordered with a narrow wing. Seeds 1-2, or rarely 
8, very flat, orbicular or reniform.—Tall woody climbers or rarely 
erect trees with unpaired-pinnate leaves, the leaflets opposite ; stapu- 
lets small and bristle-like or none. Flowers in axillary racemes: 
ts and bractlets small and deciduous. ; 
% Stamens monadelphous. Pods narrowly winged along the 
vexillar suture only. 
X Flowers in simple or almost simple racemes. 
© Pods lanceolate, acuminate or acute at both 
en 
Erect tree ; leaflets almost acute witha mucro_ . _ “ . D. robusta. 
t shrub; leaflets notched - . . . . « D. scandens. 
O O Pods oblong or orbicular with rounded ends. 
Scandent shrubs. ae 
Glabrous; pod glabrous ‘“ . ‘ _ pe = * . D. uligmnosa. 
Rusty pubescent; pods pubescent or puberulous ; leaflets in 1 or 2 
peanendy occ ecce cetls weet BES GS ab eee 
As former, but leaflets usually in 4 pairs; flowers much larger - D. elliptica. 
xX X Racemes collected into panicles. 
Scandent; glabrous pods sinuate-constricted between the seeds - D. sinuata. 
* > Stamens monadelphous or the verillar one. Pods 
a eee 
fa, Bth—A tree (80—50+4+15—20+4—5), shed- 
.» the very young shoots slightly app 
