1877.] Knowledge of tie Burmese Flora. 197 



Mikania, Willd. 



1. M. SCANDENS, Willd. sp. pi. III. 1743 ; DC. Prod. V. 199 ; Clark. 

 Comp. Ind. 34. (Eupatorium scandens, Burm. Fl. Ind. (174G) 176. excl. 

 syn. ; Eupatorium cor datum, Burm. Fl. Ind. 176 t. 58. £. 2 ; Eupatorium 

 voluhile, Yahl. Symb. (1794) III. 93 ; M. volubilis, Willd. sp. pi. III. 1743, 

 DC. Prod. V. 199). 



Hab. Upper Tenasserim, Attaran (Wall. Cat. 3174).— Fl. May. 



Ageratum, L. 



1. A. coNYzoiDES, L. sp. pi. 1175 ; Hook. Exot. Fl. t. 15 ; DC. 

 Prod. V. 108 ; Schleclitdl. in Linna^a XXXIX. 493, Clark. Comp. Ind. 30. 

 {Ageratum eordifolium, Roxb. Fl. Ind. III. 415). 



Hab. a common weed in all cultivated and waste lands, along river- 

 sides, deserted toungyas, etc., springing np in the forests wherever light 

 permits, all over Burma and adjacent islands ; Andamans, introduced and 

 rapidly spreading. Fl. R. S. 



Adenostemma, Forst. 



1. A. viscosuM, Forst. Nov. gen. no. 15 ; DC. Prod. V. Ill ; Bth. 

 Fl. Hongk. 171 ; Clark. Comp. Ind. 28. {Ageratum aquaticum., Roxb. Fl. 

 Ind. III. 416; A. fastigiatim, DC. Prod. V. Ill ; A. Roylei, DC. Prod. V. 

 112 ; A. elatmi, Don Prod. Fl. Nep. 181 ; DC. Prod. V. 112 ; Wight Icon, 

 t. 1087 ; A. rugosum, DC. Prod. V. 112 ; A. Madurense, DC. Prod. V. 112 ; 

 A. rivale, Dalz. in Hook. Kew. Card. Misc. III. 231). 



Yar. a. yeeum, Clark. Comp. Ind. 29 (incl. varr. elatujn and latifo- 

 lium, Clark. 1. c), larger, the leaves larger and broader, often somewhat 

 succulent ; flower-heads larger ; achenes more or less glandular muricate. 



Var. j8. MiCEOCEPHALTJM, Clark. 1. c. 29 {A. microceplialum, DC. 

 Prod. V. Ill), as preceding, but usually thinner and the leaves smaller; 

 heads very small. 



Var. y. ANarsTiEOLirM, Clark. 1. c. 29 {A. angustifolium, Edg. in 

 Journ. As. Soc. Beng. XXL 173 ; Walp. Ann. V. 153), leaves elongate- 

 linear, rest as in var. a. 



Var. 8. EETicTJLATUM, Clark. 1. c. 30 {A. reticulatum, DC. Prod. V. 

 112 ; Wight Icon. t. 1088 ; A. leiocarpum, DC. Prod. V. 112 ; A. erectum, 

 DC. Prod. V. 113), as var. a., but leaves somewhat rough above and often 

 more or less lacunose, tawny pubescent on the nerves beneath ; achenes 

 smooth. 



Hab. var. a. frequent in the mixed forests of the Pegu and Arracan 

 Yomah ; Ava hills ; var. (i. along with the typical form but scarcer ; 

 var. (?) y. Tenasserim (Helf. 3109).— Fl. Fr. C. and HS. 



