40 ANNALS OF THE ROYAL BOTANIC GARDEN, CALCUTTA. 
b. Leaflets more or less inequidistant, but not distinctly grouped. Peduncular 
part of the spadix flattened, unarmed. 
Leaflets 2:5—3 cm. broad. [Fruit ellipsoid-ovoid, 25 mm, long, 16—17 
mm. broad; seales in 18 longitudinal series, each series composed . 
of 11—12. 
80. D. virescens. 
Leaflets 20—28 mm. broad. Fruit 20—23 mm. long, 12—15 mm. 
broad, Scales in 15 longitudinal series, each series composed 
of 7—8. 
87, D. longipes. 
II. Spikelets (g and ¢) furnished with distinctly infundibular and closely 
approximated spathels, Involucrophorum spathaccous. 
a. Female spikelets with bifarious flowers.  Spathels of the ? spikelets entire 
or nearly so, truncate, shorter than the flowers. 
Female spadix large, much branched and diffuse. 
82. D. longispathus. 
Female spadix very rigid, strict, cupressiform. 
83. D. acamptostachys. 
à. Female spikelets very thick, often with 4-farious flowers. Spathels 
of ¢ spikelets very large, longer than their respective flowers and 
more or less split. 
84. D. ruptilis. 
