BECCARI. MONOGRAPH OF THE GENUS CALAMUS. 117 
but with larger, twice branched, rather dense, partial inflorescences; spikelets 3-4 cm, 
long with 8-12 flowers on each side. Fruiting perianth pedicelliform. Fruit very 
small, ovoid or sub-ovoid, obtusely beaked, 6 mm. long, 3°5-4 mm. broad. Scales 
in 12-18 series, convex, not channelled along the middle. 
The Philippines. 
C. siphonospathus (typus).—Leaf-sheaths armed with slender, light-coloured spines 
petiole and lower part of the rachis prickly on both surfaces. Leaflets very narrow 
with 3 bristly costs.  Spaíhes aculeolate. Partial inflorescences much branched and 
very dense. Fruit-scales in 15 series. 
C. siphonospathus var. sublevis Becc.— Leaf-sheaths smooth or nearly so; petiole 
and lower part of the rachis prickly on both surfaces. Leaflets very narrow, with 
8 smooth or sparingly spinulous costz. Spaíhes smooth. Fruit scales in 15 series. 
C. siphonospathus var. oligolepis major) Becc,—Leaflets very narrowly fane) 
with 5 bristly coste. Spathes aculeolate. ^ Fruiiscales in 12 series. 
C. siphonospathus var. oligolepis (minor) Becc.—Slender.  Leaffefs smaller, with 3 
bristly eostze. Fruit scales in 12 series. 
C. siphonospathus var. polylepis Becc.—Leaflets linear, with 3 bristly spinulous 
costs, Spathes aculeolate. Partial inflorescences very dense. Fruit scales in 18 series. 
186. C. microcarpus Bece.—Scandent. ^ Leaf-sheaths 2-2°5 cm. in diam,; armed 
with elongate often confluent spines. Leaves l:ó m. long in the pinniferous part; 
petiole elongate, prickly all round. Leaflets approximate in groups of 3-7, 6-15 cm- 
apart, on each side of the rachis, equidistant and pectinate in each group, linear. 
lanceolate, 20-30 em, long, 12-20 mm. broad, 3-sub-5-eostulate. Female spadiz strict, 
about 50 cm, long; primary spathes slightly inflated; spikelets with a slightly zig-zag 
sinuous, cylindraceous, filiform axis, 4—5 cm. long, with 10-12 horizontal flowers on each 
side. Fruit very small, globose, 6-7 mm. in diam., shortly conically beaked. Scales 
in 12 series, very deeply channeiled, gibbous near the apex. 
The Philippines, 
187. €. dimorphacanthus Bece.—Slender, scandent. Leaf-sheaths about 2 cm. in 
diam., very densely armed with long acicular spines. Leaves 60 cm. or more long in 
the pinniferous part; the cirrus about as long; petiole short, armed like the greatest 
part of the rachis, especially on the upper surface, with very unequal horizontal 
spines, of which some in the leaves of young plants are very long and needle-like; 
the rachis in its upper part armed beneath with half whorls of very robust claws. 
Leaflets numerous, subequidistant, very narrowly linear, 10-22 em. long, 3-5 up to 
8-10 mm. broad, unicostate; margins conspicuously ciliate. Spadices very similar 
to those of ©. siphonospathus, very strict, with loosely sheathing, subinflate. spathes. 
Fruit ovoid, obtusely apiculate, 8-9 mm. long, 5%-6 mm. broad. Scales in 18 
series, shining, convex, slightly channelled near their base. 
The Philippines, 
188. C. conirostris  Becc.—Scandent, of moderate size. Leaf-sheaíhs . densely 
armed with short and long spines. Leaves large, 1°8-2°5 m. long in the pinni- 
ferous part; the cirrus short and robust; petiole rather long. Leaflets numerous, 
equidistant, linear-ensiform, green on both surfaces, 3-costate, about 45 cm. long, 25-28 
