1S77.] Knowledge of the Burmese Flora. 151 



All parts glabrous ; flower-heads on short, leaf-opposed peduncles, M. exserta. 



* * Stamens included in the corolla-tube. 



X All parts more or less tomentoso or pubescent. 



All parts shortly and roughish pubescent- ; corolla glabrous, M. leiantha. 



All parts (also the corolla) softly and shortly tomontose, M. tomentosa. 



X X All parts (also the corolla) glabrous. 

 + Flower-heads solitary and leaf-opposed. 



f Flower- heads longer or shorter peduncled. 

 Stipules rounded or blunt ; corolla -throat hairy ; berries united into a fleshy greenish 



white syncarp, M. citrifolia. 



Stipules acute or acuminate ; corolla-tube naked ; berries purplish black, only few 



developed on the thick torus, M. angustifoUa. 



f t Flower-heads sessile or nearly so. 



Low shrub ; quite glabrous or minutely scabrous, 31. persicaefoUa. 



t t Flower-heads in a peduncled terminal cyme. 



Quite glabrous ; corolla-tube only \ in. long, the lobes as long, M. Wallichii. 



Subg. 2. Lucinaea, DC. Corolla-limb 4-parted. Stamens 4. Scandent shrubs. 



* Calyx truncate. 



Flower-heads peduncled, in terminal umbels ; peduncles sparingly pubescent, the 

 other parts glabrous ; leaves pale-coloured and opaque beneath, the nerves not 

 prominent, M. umhellata. 



As preceding, but leaves glossy on both sides, the net-venation prominent, M. tetrandra. 



* * Calyx ^-toothed. All parts glabrous. 



Calyx sulcate ; flower-heads by threes in a peduncled poor brachiate terminal cyme, 



. . M. speciosa. 



1. M. LEIANTHA, Kurz in Journ. As. Soc. Beng. 1872. 313. 

 Hab. Tenasserim, Moulmein District (Falconer). — Fl. Febr. 



2. M. TOMENTOSA, Hejne in Eoth Nov. sp. 147 ; DC. Prod. IV. 

 448 ; WA. Prod. I. 420. {M. onultiflora, Roxb. FL Ind. ed. Wall. II. 200). 



Hab. Not unfrequent in the mixed dry forests of the hills in Prome 

 District.— Fl. March. 



3. M. CITRIFOLIA, L. sp. pi. 250 ; DC. Prod. IV. 446. ; Roxb. Fl. 

 Ind. I. 541 ; Miq. Fl. Ind. Bat. II. 242 ; Bedd. Fl. Sjlv. t. 220. 



Var. a. GENUiNA, stipules blunt ; syncarps the size of a hen's eg^, 

 or somewhat larger. 



Var. p. BBACTEATA, {M. hracteata, Eoxb. Fl. Ind. ed. Wall. II. 189 ; 

 Wight 111. t. 126), stipules often acute ; syncarps much smaller. 



Hab. Var. a. only planted all over Pegu and Martaban, and else- 

 where ; var. /3. not unfrequent in the tropical forests of the Andamans. 

 — Fl. April, May. 



4. M. angustifolia, Roxb. Fl. Ind. ed. Wall. II. 201 and Corom. 

 PL III. t. 237 ; DC. Prod. IV. 447, non Roth. 



Hab. Not unfrequent in the tropical forests of Martaban and Tenas- 

 serim ; Ava, Khakyen hills j frequently cultivated all over the country. 

 — Fl. March, April. 



