854 



LXVI. BEGONIACE^. 



[Begonia. 



Leaves round, blunt . . . . 



Leaves peltate from over-lapping lobes 

 Leaves -ovate entire distinctly unequally 



cordate lobed. 

 Petiole glabrous ; leaves hairy on nerves 



only ; flowers rather large . 

 Petiole hairy; leaves hairy all over 



beneath ...... 



Leaves glabrous. 



Leaves oblique, cordate 3 in. long; flowers 



small ...... 



Leaves oblique cordate "5 in. long ; flowers 



•5 in. wide. .... 



Leaves lanceolate acute, base oblique. 

 Leaves oblong ovate cordate 3 in. long 



flowers "25 in. wide 

 Leaves orbicular crenate not oblique "5 in 



wide ..... 



(9) B. clivalis 

 [10) B. thaipingensis 



(11) B. camosula 



(12) B. leucantha 



(13) B. debilis 



(14) B. guttata 



(15) B. variabilis 



(16) B. phoeniogramma 



(17) B. sibthorpioides 



iv. MoNOPTERA. Capsule, with 2 short and one much larger wing usually 

 thick, dehiscing on the faces between the wings. 

 Leaves peltate. 



Petioles slender, glabrous . . . ■ (18) B. Hasskarli 



Petioles thick, woody . . . . (19) B. eiromischa 



Leaves lanceolate not cordate or oblique. 

 Leaves hairy, base long, narrowed 

 Leaves glabrous, lanceolate. 



Leaves narrowed to base, distant serrulate . (21) B. rhoephila 

 Leaves broad at base, toothed . . . (22) B, perakensis 



Leaves broad at base, ovate, long acuminate, 



edge sinuate ..... (23) B. Klossii 

 Leaves large 9 in. long, ovate acute, fleshy . (24) B. Herveyana 

 Leaves ovate acuminate dentate . . . (25) B. monticola 



Leaves ovate oblique, cordate, broad and 

 round, not acuminate, completely 

 glabrous. 

 Flowers 1-5 in. wide; stems short 



(20) B. Scortechinii 



wide ; stems tall with 



Flowers i"5 : 



stipules .... 

 Flowers under i in. wide. 

 Leaves undulate, acutely acuminate 

 Leaves rounded not undulate. 

 Bracts ovate acute . 

 Bracts linear .... 

 Leaves hairy on nerves only and on edge ; 



flowers small 



Leaves all hairy ; flowers large. 



Rhizome creeping 



Stem tall, 3 ft., hairy 



Stem 4 to 12 in. tall; leaves thin; flowers 



small (escape) . , . . . 



large 



(26) 



(27) 

 (28) 



(29) 

 (30) 



B. venusta 



B. longicaulis 



B. paupercula 



B. Robinsonii 

 B. pavonina 



(31) B. Maxwelliana 



(32) 

 (33) 



B. decora 

 B. Lowiana 



(34) B. hirtella 



(i) B. tricornis Ridl. Journ. Roy. As. Soc. S. Br. 75, p. 35. 

 B. Roxburghii Ridl. Journ. F.M.S. Mtis. iv. 20 {not of DeCandolle). 



Stem 3 ft. tall, succulent, glabrous, dull red. Leaves lanceo- 

 late long acuminate, base unequally cordate, edge toothed, 6 to 

 8 in. long, 2 in. wide, light green. Flowers in clusters on short 



