91 



Flowers hermaphrodite. 



Both surfaces of leaves glabrous except the 

 nerves. 



Both surfaces minutely granular ; nerves 



9 or 10 pairs, sparsely pilose beneath ... 



Lower surface granular, the midrib and 



6 to 8 pairs of nerves pubescent 



Both surfaces shining, reticulate, glabrous 



except the tomentose midrib on the 



upper ; nerves about 10 pairs, very faint 



Upper surface of leaves glabrous, the lower 



minutely granular and sub-strigose ; nerves 



4 or 5 pairs 



Upper surface of leaves glabrous except the 



puberulous midrib, the lower yellowish-to- 



mentose ; nerves 11 to 13 pairs; fruit very 



LcbT^G ••• ••• ••• ••• 



Upper surface of leaves glabrous except the 

 tomentose midrib and 8 to 10 pairs of nerves ; 

 lower surface pubescent and sub-granular ... 



Both surfaces minutely gi'anular ; upper short- 

 ly puberulous, lower pubescent ; nerves 8 to 

 J. i. pairs •• . .•• ... ... 



Both surfaces minutely granular ; upper with 

 a few scattered hairs ; lower fuscous, densely 

 and softly pubescent ; the nerves 6 or 7 

 pairs, tomentose or pubescent ... 



Both surfaces, but especially the lower, softly 

 pubescent ; nerves about 10 pairs 

 Flowers polygamous. 



Upper surface of leaves glabrous except the 

 puberulous midrib ; nerves 10 or 11 pairs ; 

 flowers "5 to "75 in. in diam ; petals of inner 

 row larger than those of outer, valvate, their 

 apices inflexed in bud 



Upper surface of leaves sub-granular, minutely 

 and sparsely adpressed-pubescent ; nerves 9 

 to 12 pairs ; flowers 4 in. in diam. ; inner 

 petals slightly smaller than the outer, im- 

 bricate ... 



Both surfaces of leaves glabrous, the lower 

 silvery, shining j nerves 7 paii's 



340 



1. P. pauciflora. 



2. P. ramosissima. 



3. P. nitida. 



4. P. Helferi. 



5. P. foelida. 



6. P. perakensis. 



7. P.fusca. 



8. P. velutina. 



9. P. tomentosa. 



10, P. nervifolia. 



11. P. Kurzii. 



12. P. HookerL 



