FROM UPPER BURMA AND THE SHAN STATES. 87 
In floral characters this agrees almost exactly with A. Wal- 
lichii, Hook. £., the only other species known, which is erroneously 
described as having an eglandular calyx, for glands are present, 
although very minute. Thick conspicuously veined leaves cha- 
racterize the present species. 
Streptocaulon tomentosum, Wight et Arnott; Fl. Brit. Ind. 
iv. p. 10; Forest Fl. Burma, ii. p. 198.—Meiktila. 
Burma to Tavoy, Yunnan, and Cochinchina. 
Asclepias curassavica, Linn.; Fl. Brit. Ind. iv. p. 18.—Shan 
hills at 4400 feet. 
A native of tropical America, now very widely colonized in the 
warm regions of the Old World. 
Adelostemma gracillimum, Hook. f.; Fl. Brit. Ind. iv. p. 21.— 
Meiktila. 
Previously only known from comparatively imperfect speci- 
mens from Segain, collected by Wallich. 
Sarcostemma Brunonianum, Wight et Arnott; Fl. Brit. Ind. 
iv. p. 27.—Meiktila. 
South India and Burma. 
The proposed species of this genus are not very clearly 
defined. 
Gymnema molle, Wall.; Fl. Brit. Ind. iv. p. 29.—Meiktila. 
Previously known only from Wallich’s specimens, collected 
near the petroleum-wells on the Irawaddi, and at Taongdong. 
Gymnema acuminatum, Wall.; Fl. Brit. Ind. iv. p. 80; Forest 
Fl. Burma, ii. p. 202.—Shan hills at 4000 feet. 
Eastern India and Malay peninsula. 
Tylophora asthmatica, Wight et Arnott; Fl. Brit. Ind. iv. 
p. 44.—Meiktila. 
Widely spread in India and Malaya. 
There is an imperfect specimen of what may be a second 
species of this genus. 
Marsdenia barbata, Coll. et Hemsl., n. sp. 
Frutex scandens, ramulis floriferis graciliusculis teretibus albido- 
pubescentibus, internodiis quam folia duplo longioribus. Folia 
longiuscule petiolata, papyracea vel subcoriacea, rhomboideo- 
