130 GENERAL COLLETT AND Mk. W. B. HEMSLEY ON PLANTS 
HYDROCHARIDEE. 
Hydrocharis Morsus-ranæ, Linn.; Fl. Brit. Ind. v. p. 662.— 
Shan hills at 3000 feet. 
Western Europe to China and Japan, and in Australia. 
Boottia cordata, Wall.; Fl. Brit. Ind. v. p. 662.—Meiktila. 
A plant previously unrepresented in the Kew Herbarium. 
Wallich collected it in the Irrawaddi near Ava, and in ponds on 
the summit of the Taongdong mountain. It is common in ponds 
and marshes frem Meiktila to Mandalay, growing gregariously, 
and flowering from October to January ; its flowers covering the 
water with a sheet of white. 
ORCHIDEX. 
Dendrobium infundibulum, Zindl.; Bot. Mag. t. 5446; F [. 
Brit. Ind. v. p. 721.—Sban hills terai at 3000 feet. 
Moulmein. 
Dendrobium lituiflorum, Lindl.; Bot. Mag. t. 6050; Fl. Brit. 
Ind. v. p. 740.—Shan hills at 4000 feet. 
Assam, Burma, and Tenasserim. 
Dendrobium fimbriatum, Hook.; Bot. Mag. t. 4160; Fl. Brit. 
Ind. v. p. 745.—Shan hills at 4000 feet. 
Kumaon to Khasia and Muney pore. 
Dendrobium capillipes, Reichb. f. Xenia Orch. ii. t. 169; Fl 
Brit. Ind. v. p. 751.—Shan hills terai, 3000 feet. 
Tenasserim. 
Dendrobium heterocarpum, Wall.; Bot. Mag. t. 4708; FI. 
Brit. Ind. v. p. 737 ; syn. D. aureum, Lindl.; Bot. Reg. 1839, 
t. 20.—Shan hills at 6000 feet. 
India, Ceylon, Burma, Java, and the Philippine islands. 
Bulbophyllum ($ Racemosæ) comosum, Coll. et Hemsl., n. SP» 
in Hook. f. Fl. Brit. Ind. v. p. 162. (Plate XIX.) 
Species insignis ex affinitate B. hirti, pseudobulbi etiamque 
folia desunt. Scapus stramineus, crassiusculus, rigidus, leviter 
curvatus, circiter pedalis, 2-3-vaginatus, in racemum basi geni- 
culatum 2-3 poll. longum densissimum subnutantem terminavs; 
vaginæ scariosæ, oblique, arcte amplectentes, 6-8 lineas long®: 
