1877.] Knoiuledge of the Burmese Flora. 109 



Hab. Arracan, frequent on moist mossy sandstone-rocks in the tro- 

 pical forests of the Akyab district. — Fl. Fr. Octob. 



18. B. SUEPERFOLIATA, Parish in Journ. As. Soc. Beng. 1873. 81. 

 Hab. Tenasserim, Moulmein District. (Revd. Parish). 



19. B. VELUTIFA, Parish in Journ. As. Soc. Beng. 1873. 81. 

 Hab. Tenasserim, Moulmein District (Parish, Stoliczka). 



Habit of B. suljpeltata, Wight, but differs in the 2-lamellate placen- 

 tas. 



DATISCACE^. 

 Tetrameles, R. Br. 



1. T. NUDIFLOEA, R. Br. in Horsf. PL Jav. rar. 79. t. 17 ; DC. 

 Prod. XV/1. 411 ; Bedd. FL Sylv. t. 212. (T. Grahamiana, Wight Icon. t. 

 1956). 



Var. a. aENUiNA, leaves more or less pubescent beneath. 



Var. p. GLABRA, leaves glabrous. 



Hab. Frequent in the tropical forests and along choungs in the upper 

 mixed forests, all over Pegu and Martaban down to Tenasserim and the 

 Andamans ; var. ft. on the Andamans. — Fl. HS. Fr. Begin of ES. 



The open ovary, the parietal placentation, and the habit generally 

 (especially of Datisca) point to Besedacece. 



CACTUS. 

 Opuntia, MilL 

 *1. O. DiLLENii, Haw. in DC. Prod. III. 472 ; WA. Prod. I. 363 ; 

 Wight 111. II. t. 114. (Gactits Dillenii, Bot. Reg. t. 255 ; Cactus Indicus, 

 Roxb. Fl. Ind. II. 475). 



Hab. Cultivated in the drier districts of Burma, as in Prome. 



FICOIDEu^. 



Conspectus of Species, 



Trib. I. AIZOIDEJE. Calyx free but with a distinct turbinate tube bearing the 

 stamens at or below the summit. Fruit a capsule. {Capsule circumsciss. Leaves opxio- 

 site.) 



Sesuvium. Stamens 5 to many. Ovary 3— 5-celled, with axillary many-ovuled 

 placentas. 



Trianthema. Stamens 5 or 10, or many. Ovary 1— 2-celled, with basilar 1- 

 more-ovuled placentas. 



Trib. II. MOLL JJGINEM. Calyx free, divided to the base or nearly so. Petals 

 3—5, or none. Stamens hypogynous or almost perigynous. Fruit a capsule or divid- 

 ed into 2 — 3 cocci. 



* Fruit a capsule. Leaves usually with stipules. 



MoLLUGO. Petals 3 — 5, or none. Ovary 3— 5-celled, with many ovules in each 

 cell. Leaves usually spuriously whorled. 



* * Fruit 2 — Z-coccous. the cocci l-seeded. Leaves without stipules. 



