22 ANNALS OF THE ROYAL BOTANIC GARDEN, CALCUTTA. 
I Leaflets green on both «surfaces. 
. Leaflets terminated by a filamentose | tip. Spathels (of the 
male and female spadix) twice as long as broad, finely 
" tomentose outside. Fruit globular, rounded above, not mam- 
millate, 15 mm. in diameter; scales appressed, not fimbriate. 
7. P. himalayana Griff. 
Sikkim Himalaya. 
II Leaflets green above and distinctly mealy-white beneath, acute 
or acuminate but not having a filamentose tip. 
* Spathels tomentose externally. 
T Axis of the spikes and spikelets densely rusty-tomentose. 
Female flowers having a very short pedicel provided with 
small bracts, 4—5 mm. long, and having the divisions of 
the corolla much longer than the calyx. Fruit slightly 
conically-beaked, densely villose. 
8. P. assamica Gri Assn. 
Tf Axis of the spikes and spikelets densely rusty-tomentose. 
Female flowers pedicellate, provided with conspicuous 
bracts 10—15 mm. long, and having the calyx split from 
the base into triangular acuminate segments, slightly shorter 
than ihe corolla. Ovary densely villose. 
9. P. hractealis Becc—Assam. 
i 
-ttt Axis of the spikes and spikelets glabrescent. Fruit of 
smooth appearance covered with scales having the margins 
simply fimbriate and the tip not crisped. 
10. P. khasiana G:îf—Khasia 
Hills. 
** Spathels entirely glabrous. 
- Axis of the spikes and spikelets. scabridulous. Fruiting 
perianth with a very small trigonous calyx, several times 
shorter than the corolla. Fruit of ‘smooth appearance, 
slightly squarrose, the scales having short ciliate tips. 
Seel exactly spherical. 
11. P. Kerrana Becc—Siam. 
III Leaflets slightly paler below than above. 
Spathels glabrous. Fruit slightly squarrose, exaetly spherical, 
having the scales very  minutely ciliate-fringed. Fruiting 
perianth explanate with trigonous 3-toothed calyx; the corolla 
thrice as long as the calyx. Seed slightly depressed. 
12. Pierreana Decc.—Cochin-China. 
