532 Flora of the Malayan Peninsiila. 



flower, -5 in. long ; tube longer. Corowa-processes subulate-acuminate, 

 membranous, '5 in. long, -1 in. broad. Anthers horny, yellowish, smooth, 

 sagittate at base ; appendages rounded, membranous, incurved over the 

 stigma. Style-apex 5-lobed ; the lobes horned ; tip umbonate, minutely 

 pitted. Follicles solitary, fusiform, turgid, somewhat saccate at base, 

 the apex obtuse with a short hook ; pericarp leathery, smooth. Seeds 

 plano-convex with a broad margin, ovate, '4 in. long, with a broad apex 

 bearing a silky coma 1 to 2 in. long ; testa brown, thin ; cotyledons 

 ovate, cordate, "125 in. long ; radicle cylindric, '75 in. long. Wight 

 Contrib. 55 ; Dene, in DC. Prodr. VIII. 516 ; Paxt. Fl. Gard. III. t. 

 101 ; Paxt. Mag. XIV. 27, with fig. ; Fl. des Serres t. 223 ; Miq. Fl. Ind. 

 Bat. II. 477 ; Hook. f. Fl. Br. Ind. IV. 19 ; Prain Beng. Plants 691. 

 Asclepias pulchella, Roxb. Hort. Beng. 21, Fl. Ind. II. 54. 



Kedah : Coah, Lankawi Island, Curtis 2118. Penang : Curtis 

 (cult.). Peeak : in bamboo jungle at about 400 to 600 ft. Ulu Bubong, 

 King's Collector 104:83. Singapore: Deschamps (cult.); G. King (cult.). — 

 DisTEiB. India (Sikkim, Chota Nagpur, Sylhet, Assam and Cacher), 

 Burma. 



16. Ischnostemma, King & Gamble, nov. gen. 



Twining slender undershrubs. Leaves opposite. Flowers in slender 

 few-flowered, lateral, pedunculate umbels ; pedicels filiform. Calyx 5-fid ; 

 lobes acuminate. Corolla rotate ; tube short ; lobes long, slender, over- 

 lapping to the right, twisted to the left in bud. Corona of 5 mem- 

 branous lanceolate flattened processes attached to the base of the 

 staminal-column. Staminal- column attached to the base of the corolla- 

 tube; anthers slender; appendages short, membranous, obtuse, connivent 

 over the style-apex ; pollen-masses 1 in each cell, pendulous, ellipsoid, 

 attached by slender clavate descending caudicles to the crustaceous 

 pollen-carriers. Ovary of 2 carpels ; style connate above ; style-apex 

 5-angled ; tip rounded. Fruit of 1 (or 2 ?) long-acuminate slender, 

 follicular mericarps ; testa thin, smooth. Seeds small, flat, winged, 

 nearly orbicular, comose ; albumen scanty ; cotyledons small, ovate ; 

 radicle cylindric. — Disteib. One species ; Malay Peninsula and Philip- 

 pine Islands. 



Ischnostemma selangoeiga, King & Gamble, n. sp. A slender 

 twining greyish undershrub ; branchlets slender, terete. Leaves mem- 

 branous, variable ; ovate-lanceolate obovate or oblanceolate, mucronate 

 at apex, attenuate at base ; glabrous and pale green on both surfaces ; 

 1 to 1*75 in. long, -5 to "75 in. broad ; midrib broad, flattened ; main 

 nerves 4 to 6 pairs, very faint, curving upwards to meet in a faint intra- 

 marginal neire ; reticulations obscure ; petiole slender, -25 to "5 in. long. 



