1877.] Knoiuledge of the Burmese Flora. 233- 



Glabrous ; leaves coriaceous and elegantly nct-vcincd ; corolla conspicuous, about 4 lin. 



long-, very coriaceous, » B. Toposia. 



Siibfj. 2. EU-DIOiiPYROS, DC. Calyx toothed or lobcd, rarely truncate. 

 Ovary-cells often twice as many as corolla-lobes. 



* Calt/x in males short and truncate-toothed, in females large, deeply lohed ; corolla, 



tirceolate, the lobes notched ; anthers 30 — 50. 

 Glabrous ; leaves coriaceous, . ; B. Emhryopteris. 



* * Calyx toothed or lohed ; corolla-lohes not notched ; anthers about 20 or fewer. 



X Corolla urceolate, in bud globular or conical, the tube short and in- 

 flated, the lobes usually rounded and short. 



+ Flower-buds globular ; corolla quite glabrous ; flowers small, 

 hardly a line long. 

 Leaves thin chartaceous, with strong prominent nerves, the net- venation distinct, lax ; 



ovary glabrous, D. chartacea. 



Leaves thin-coriaceous, the nerves strong, the net- venation inconspicuous ; ovary 



tawny villous, B. ehretioides. 



+ + Flower-buds conical, acute, but never elongate. 



t Ovary pubescent or villous. Leaves quite glabrous and glossy. 



Flowers rather large, clustered, from the older branches, B. ramiflora. 



Leaves glaucous-green when dry, almost polished, the nerves very inconspicuous and 

 impressed ; peduncles 4 — 5 lin. long ; nearly 5 — 6 lin. long, axillary, . . B. oleifoUa. 

 t t Ovary glabrous or nearly so. 



X Leaves more or less rig;id, quite glabrous, glossy. 

 Leaves drying blackish, the nerves and net- venation thin but prominent ; flowers small 

 axillary, the males cymose ; berries globose, the size of a cherry ; albumen homo- 

 geneous, B. Kurzii. 



X X Leaves membranous, at least while somewhat young- 

 more or less puberulous or pubescent. 

 Berries sessile or nearly so. 

 Calyx-lobes of males acute ; leaves more or less acuminate ; berries the size of a cherry ; 



albiimen homogeneous, B. mollis. 



Calyx-lobes blunt ; leaves acute or apiculate ; berries 2 or 3 times as large, .. ..B. Kaki. 



O Berry rather long-peduncled. 

 Leaves glaucescent, glabrescent ; berries the size of a cherry ; albumen homogeneous ; 



spiny-armed tree, , B. montana. 



Leaves pubescent beneath ; berries about an in. in diameter ; albumen ruminate on the 



outer face ; unarmed tree, peduncles shorter and stout, {B. cordifolia .^) 



X X Corolla salver-shaped, elongately (very rarely shortly) conical, the 

 tube not or hardly widened, the lobes as long or nearly as long as 

 the tube. 



-I- Borders of the calyx-lobes of female flowers refloxed or revolute, 

 at least at the base, and often appearing somewhat am-icled. 

 t Corolla in bud short-conical. {Otogyne, DC). 

 All younger parts tawny or greyish tomentose ; leaves coriaceous, glabrescent above ; 



flowers usually 5 (4 — 6)-merous ; albumen riiminate, B. Burmanica. 



Slightly appressed pubescent ; leaves thin chartaceous ; flowers 4-merous ; calyx-lobes 

 silky-pubescent, especially, inside ; ovary densely fulvous-tomentose,. .D. rhodocalyx. 

 t t Corolla in bud elongate conical, 4-angular. Flowers 4- 

 merous. 

 30 



