36 ANNALS OF THE -ROYAL BOTANIC GARDEN, CALCUTTA. 
Leaf-sheaths armed with scattered laminar spines. Leaflets 
inequidistant, closely ciliate on the  mid-costa alone. Fruit 
ovoid; scales in 12 series. 
52. D. elongatus. 
Leaf-sheaths armed with seriate, very slender spiculae. Leaflets 
equidistant, bristly on 3—5 nerves on the upper surface, and 
only on the mid-costa beneath. Fruit globular or shortly ovoid. 
53. D. Curranii. 
§ § Fruit oblong, about twice as long again as broad. 
Leaflets sparsely bristly ciliate on 5 nerves beneath. 
54. D. oblongus. 
Leaflets very finely and closely ciliate on 5—7 nerves beneath. 
55. D. Korthalsii. 
** Fruit spherical, or more or less depressed. 
T Leaflets with 3 bristly and 2 spinulous nerves on the, under-surface. 
Fruit globular, umbonate, 13 mm. in diameter. 
56. D. Riedelianus. 
TT Leaflets with only the mid-costa bristly underneath. 
8 Stem erect, 
Fruit spherical, 16—17. mm. in diameter. Scales in 18 longitudinal 
series, Areola of the neuter flower indistinct. 
57. D. Kunstlerii. 
§ § Stem scandent. 
© Areola of the neuter flower punctiform or indistinct, 
Fruit spherical or slightly depressed, 14-15 mm. in diameter. 
Scales in 15 longitudinal sereis. 
58. D. vagans. 
Fruit globose, conspicuously depressed and umbenate at the 
apex, 12-13 mm. in diameter. Seed flattened, reniform, 
Leaflets with the mid-costa sparsely bristly underneath, 
59. D. depressiusculus. 
O  Areola of the neuter flower conspicuous, niche-like, 
t Seed with a superficial inconspicuous (not pit-like) chalaza. 
Fruit globular, slightly depressed when quite mature 
usually 15-16 mm. in diameter, rarely more, Seed 
globular, about [2 mm. in diameter. Leaflets linear- 
ensiform or linear-lanceolate, usually 16—22 mm. broad, 
having bristles on 3 nerves on the upper surface, 
60. D. Gaudichaudii 
