BECCARI. MONOGRAPH OF THE GENUS CALAMUS. 83. 
52. C. pseudo-rivalis Bece.—Apparently scandent and of moderate. size. Female 
spadiz very elongate, flagelliform, the clawed flagellum itself even 92 m. long; 
primary spathes very elongate, cylindraceous, often longitudinally split, more or less 
prickly; partial inflorescences slender, as much as 1 m. in length, with 10-12 
spikelets on each side; secondary spathes elongate, cylindraceous. Spikelets 8-10 cm. 
long, with 18-20 distichous flowers on each side. Fruiting’ perianth not pedicelliform, 
Fruit small, ovate, rounded at both ends, abruptly contracted into a cylindric 2 
mm, long beak, 14-15 mm. long including the beak, 9 mm, broad. Scales in 21 
series, faintly channelled along the middle. 
Nicobar Islands. 
53. C. pseudo-tenuis Bece.—Scandent.  Sheathed stem as thick as a finger. Leaf- 
sheaths armed with short or long straight subulate spines. Ocrea sometimes as much as 
10 em. long. Leaves with a petiole about 15 cm. long; rachis armed beneath with 
straight spines in its lower part and with long-tipped claws upwards. Leaflets numer- 
ous, equidistant, narrowly or linear-lanceolate, those near the base the largest, 35-45 cm. 
long, 2 em. broad, with 3 bristly spinulous coste» above. Male spadiz very long, 
flagelliform, supra-decompound ; compound spikes 12-14 cm. long, with 12-15 very 
small, 10-15 mm. long, scorpioid few-flowered secondary spikelets on each side. 
Female spadix simply decompound ; partial inflorescences very long (up to 90 em.), 
with many slender flexuous spikelets on each side, Fruiting perianth explanate. Fruit 
small ovoid or subobovoid, abruptly conically beaked, 10 mm. long, 7 mm. broad, 
Scales in 18 series, not channelled along the middle, straw-yellow with a broad very 
dark intramarginal line. 
Ceylon and Lower India. 
54, C. Hookerianus Bece.—Apparently high scandent and slender, or of moderate 
size. Leaflets numerous, equidistant, narrowly linear-ensiform, with 3 bristly coste 
above; the largest 30 cm. long, 13 mm. broad. Female spadix very long and slender, 
flagelliform ; primary spathes very long, very closely sheathing; partial inflorescences 
excessively long (up to 1:5 m.) with many remote spikelets on each side; these fili- 
form, rigid, zig-zag sinuous, with rather remote flowers and pushed downwards by a 
very conspicuous axillary callus. Fruiting perianth callous at the base. 
Lower India. 
55. C. nematospadix Becc.—Scandent.  Sheathed stem 12-15 mm. in diam. Leaf: 
sheaths armed with flat, fringed, elongate-triangular, 5-7 cm. long spines. Leaves 
80-90 cm. long; the petiole rather long. Leaflets rather numerous, equidistant, linear 
ensiform, 20-30 em. long, 1-2 em. broad, sub-3-costulate. Male and female spadice" 
very long, filiform, excessively slender; primary spathes very, long, extremely narrows 
and closely sheathing; male partial inflorescences elongate, with many filiform 
. Compound spikes; spikelets very short. Male flowers 2 mm. long. Female spikelets 
filiform, 4-5 cm. long. Female flowers 1°5-2 mm. long. Fruiting perianth explanate. 
Fruit pisiform, spheric, minutely mucronate, 6-7 mm. in diam. Scales in 12 series. 
Borneo: Sarawak, | 
Ann. Roy. Bor. Garp, Catcurra Vor. XI. 
