1 I
ANNALS OP THE EOYAL DOTANIC GARDEN, CALCUTTA.
Leaf-sheaths armed with scattered laminar spines. Leaflets
inequidistant, closely ciliate on the mid-costa alone. Fruit
ovoid; scales in 12 seiies.
52. D. elongatus.
Leaf-sheaths armed with seriate, Tery slender apieulae. 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. obhngus.
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 spinulone nerves on the under-surface.
Fruit globular, umbonate, 13 mm. in diameter.
56. D. RiedeUanus.
1 1 Leaflets with only the mid-costa bristly underneath.
§ Stem erect.
Fruit spherical, 16—17 mm. in diameter. Scales In 18 longitudinal
series. Areola of the neuter flower indistinct.
57. D. Künstlern.
§ § Stem scandent.
O Areola of the neuter fîo-wer 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 umbonate at the
apex, 13-13 mm. in diameter. Seed flattened, reniform
Leaflets with the mid-costa sparsely bristly underneath.
59. D. depressiusculua.
G Areola of the neuter flower conspicuous, niche-like.
t Seed with a superficial inconspicuous (not pit-like) clialaza.
Fruit globular, slightly depressed when quite mature
usually 16-16 mm. in diameter, rarely more. Seed
globular, about L2 mm. in diameter. Leaflets linearensiform
or linear-lanceolate, usually 16—22 mm. broad,
having bristles on 3 nerves on the upper surface.
60. D. Gaudichaudii
BECCAHL THE SPECIES OF DAEAIONOEOPS. 37
Fruit largo, spherical, 20 mm. in diam. Leaflets with
the mid-costa alone sparsely bristly above.
61. D. OQhrolepis.
Fruit spherical, large, 22—24 mm. in diam. Leaflets
narrowly eusiform, 13—15^ mm. broad, spioulous on
3 nerves above and bristly on the mid-costa alone
beneath.
62. D. C/emensianus.
1 1 Seed with a deep pit-like chalazal fovea.
Fruit spherical, large, 22—28 mm. in diam. Leaflets
with very long bristles on 3 nerves above.
63. D. Ga/appariua.
Leaf-sheaths with spines united by their bases into laminar crests, or complete
annular collars or rings.
t Leaf-sheaths furnished with complete horizontal collars,
a. Leaflets numerous, equidistant.
Collars membranous, fringed with large, flat, 4—6 cm. long spines
and with several minute spiculae between them. Leaflets
linear-lanceolate. Female spadix rather large, much branched.
Fruit small, spherical. Rather robust.
64. D. uerticillaris.
Collars with very
small short, with
capillary spiculae.
few branches. Slender.
65. D. formicarius.
k Leaflets not very numerous, inequidistant but not distinctly grouped.
Collars with very long, black, capillary spiculae. Leafle'ts quite
smooth on both surfaces, linear-lanceolate, broadest about their
middle slender.
66. D. cHmtus.
c. Leaflets distinctly grouped.
• Leaf-sheaths with one or more completely closed, hollow
annular galleries formed by pairs of equally large' opposite
collars, of which one points upwards and the other downwards.
Sheathed stem 15—16 mm. in diameter with 3 - 3 complete
galleries, each formed by 2 opposite equal collars; base
of the petiole smooth. Leaflets about 19, in 3 Almost
equal groups,
67. D. amulatus.