380 xcii. asclepiadages. [ Raphistemma. 
Follicle 1, fleshy ventricose. Seed margined, plumed. Species 2, 
1 Indo-Burmese, 1 Javanese. 
(1) R. pulchellum Wall. PI. As. Par. ii. 50, t. 163; King , l.c. 
531 - 
Stem rather herbaceous. Leaves 3 in. long, 2*5 in. wide; 
petioles 1*5 in. long; peduncle 2 in. long; pedicels '4 to ’5 in. long, 
about 6 together. Flowers ’5 to 1 in. across. Corolla-lobes white, 
with a pink stripe. Follicle thinly fleshy, 4 to 6 in. long, 2*5 in. 
through. Hab. Formerly cultivated in gardens about Singapore 
and probably wild in Perak, mixed bamboo jungle, Ulu Bubong 
(Kunstler) and Lankawi, Kwah (Curtis), also Negri Sembilan, 
Bukit Kayu Arang, Tampin (Burkill). Native of Burma, Yunnan 
and Assam. 
16 . ISCHNOSTEMMA, King and Gamble. 
Twining, slender, shrubby. Flowers small in peduncled umbels ; 
pedicels filiform. Calyx-lobes acuminate. Corolla rotate, lobes 
long, slender. Corona of 5 membranous lanceolate processes 
attached to base of column. Anthers slender; appendages mem¬ 
branous. Pollen-masses 1 in a cell, ellipsoid; caudicles slender 
clavate. Follicles slender, long-acuminate. Seed orbicular, winged 
plumed. Species 1, Selangor and Philippines. 
(1) I. selangorica King and Gamble, l.c. 532. Cynanchum 
carnosum Schlechier Fragm. Phil. 120. 
Slender twiner. Leaves membranous, ovate-lanceolate to oblan- 
ceolate, tip mucronate, base narrow, 1 to 175 in. long, *5 to 75 in. 
wide. Umbels 3- to 5-flowered; peduncle 75 in. long; pedicels 
filiform, '5 in. long. Flower '4 in. across, yellow. Follicle lanceolate, 
2*5 in. long, '25 in. wide. Seed ‘175 in. long. Hab. Very rare 
in open country. Selangor, Kwala Selangor (Ridley). Distrib. 
Philippines. 
17 . CYNANCHUM, Linn. 
Twining (or erect) herbs (or shrubs). Flowers small in sessile 
or peduncled cymes or racemes from between the petioles. Corolla 
rotate or campanulate; lobes deep, overlapping to right, twisted 
in bud. Corona from the mouth of the corolla-tube, membranous 
tubular with 5 points or cut down almost to base in 5 lobes, as 
long as stamens. Stamens quadrate with a round often toothed 
apendages. Pollinia 1 in a cell, with a short caudicle and ellipsoid 
carrier. Style stout; stigma large discoid. Follicle broad, thick, 
ovoid lanceolate. Seed flat plumed. Species 100, whole world. 
Leaves not cordate; peduncles short; follicle smooth (1) C. ovalifolium 
Leaves cordate; peduncles long. 
Leaves glaucous beneath ; corona as long as corolla; 
follicle with soft spines . . . (2) C. corymbosum 
Leaves not glaucous beneath; corona much shorter 
than column . . . . . . . (3) C. Seimundii 
