jQg AXNALS OF THE EOYAl BOTANIC GAIIDEN, CALCTTTTA.
Leajlets not very numerous, sub-cquidistant, 7-10 cm. apart on each side, 25-32 cm.
long, 3-4-5 cm. broad, lanceolate or elliptic-lanceolate, flat, with 5 costce, of these
at least 4 spinuloas above, all smooth beneath ; margins spiuulous-ciliate. Mde spadix
diffuse ; spikelets sprciiding, comb-like, 15-25 mm. long, with 6-15 flatly b.fanous
horizontal flowers on each side. Female spadix difiuse, with a few not very distant
partial inflorescences; spikelets 4-0-6 cm. long, "with 10-12 distichous flowers on
each side, closely zig-zag sinuous between the flowers. Pruiling perianth shortly pedicelUform.
Fruii smaU, globose, 8-9 mm. iu diam. Scales squarrose, in 12 series,
broadly and superficially channelled. Seed small, globose, deeply pitted ; albumen
subruminate ; embryo basal.
Lower Philippines.
144. c. formosanus Beoc.—Sheatked stem 3-3-5 cm. in diam. leaves 1 m. and
more long in the pinniferous p a r t ; rachis prickly lower down in the upper surface
and smooth upwards. Leapts not very numerous, distinctly geminate or teraate on
each side of the rachis, elongate-lanceolate or oblanceolate, 20-30 cm. long, 3-3-5 cm.
broad, subulately acuminaie from their upper third part, flat, with 3 rather slender on
both surfaces smooth cost®; margins spinulous-scrrate. Male spadix diffuse, terminating
in a small tail-like aculeolate appendix; spikelets arched, spreading, inserted
just at the mouth of their own spathe, broad, flattened, 2'3 cm. long with 8-10 flatly
bifarious, 5-6 mm. long, ovoid-oblong flowers on each side.
Fo]
145. C- Rumphii Bl.—Scandent and of moderate size. Leaves large. Leajlets rather
remotely equidistant, about 75 cm. long, 3-5-4 cm, broad, narrowly lanceolate, very
acuminate, with the mid-costa. and one nerve on each side of it bristly beneath;
margins conspicuously ciliate. Female spadiz large, broadly panicled, shorter than
the leaves. Fruit globose-oblong, beaked, the size of a musket bullet.
Amboina.
146. 0. palustris G-riff.—Scandent. Sheathed stem 3-4 cm. in diam. Lcaf-shcaihs
armed with laminar, scattered or subseriate spines. Leaves large ; the upper ones of the
adult plant cirriferous and with a short and sometimes almost obsolete petiole. LeaHels
not very numerous, usually in pairs or ternate on each side of the rachis, with long
vacant spaces interposed, firmly papyraceous, more or less broadly lanceolate or ellipticlanceolate
or oblanceolate with a bristly apex more or less concave-convex, shining
above with 5-7 costre, which are usually smooth on both surfaces, or the mid-costa
only occasionally spimilous above; margins sparingly spinulous lower down, eiliato
upwards. Mah spadix foiming a large panicle, 1-1-5 m. long, with miiny rather
approximate partial inflorescences ; ultimate spikelets 1-5-2-5 cm. long with vory
crowded, bifarious, ovate, 4 ram. long flowers. Female spadix not very diffuse,
with many rather approximate partial inflorescences, the largest of these 40-50
cm. long, with 6-8 distichous spikelets on each side ; the largest spikelets 8-10
cm. long with 12-13 flowers on each side. Fmah flowers about 4 mm. long.
Friiiling perianth split not quite to the base. Fruit ovoid-elliptic or subobovoid,
shortly beaked, 15-18 mm. long, 10-12 mm. broad. Scales flattish, very superlicially
channelled. Seed ovoid, ii-regularly p i t t e d ; albumen equable ; embryo basal.
Tenasserim, Andamans and Nicobars.
BECCARI. MONOGRAPH OP THE GENUS CAl^lMUS. 107
C. palustris var. amplissmus Becc.—Very robust. Sheathed stem 4-5 cm. in diam.
Leaves as much as 3'5 m. long in the pinniferous part. Leaflets subequidistant, only
occasionally approximate in pairs on each side of the rachis, very large, up to
50 cm, long and 8-10 cm. broad.
Native country uncertain.
C. palustris var. malaccensis Becc.—Sheathed stem 2*5-3 cm. in diam. Leaflets
not very numerous, very inequidistant, 2-3 approximate—often with a solitary one
and a long vacant space interposed—on each side of the rachis, 5-7-costulate,
lanceolate, the largest 30-33 cm. long, 3-4 cm. broad; spikelets more slender than
in the type
The Malayan Peninsula.
C- palustris var. cochinchinensis Becc.—Smaller than the type. Sheathed stem
about 2-5 cm. in diam. Leaflets in distant pairs on each side of the rachis, with
long vacant spaces interposed, narrowly lanceolate, 15-35 cm. long, 4-5 cm. broad..
Fruit broadly ovoid-eilipsoid, 15 mm. long, 9 mm. broad.
Cochin-China.
147. C. latifolius B.oxb.—Scandent. Shoaihed stem about 3 cm. in diam. Leafsheaths
armed with very large and broad, laminar, sub-regularly verticiilate spines.
Leaves 2-2-5 m. long in the pinniferous part. Leaflets not uuraerous, almost
herbaceous in texture, very inequidistant, rather regularly geminate on each side of
t h e rachis, strongly concavo-convex, broadly lanceolate or elliptic-lanceolate, 30-35 cm.
long, 6-8 cm. broad, usually with 5-7 costcc, these smooth on both surfaces. Otherwise
very similar to the typical form of C. palustris.
N. E. India.
C- latifolius var. marmoratus Becc.—Jfore slender than the type. Leaf-sheaths
about 2 cm. in diam., marbled with mealy and dark green spots and armed with
verticiilate broad-based and smaller interposed spines. Leaves smaller, with fewer
poirs of leaflets; these 25---2S cm. long and 6 cm. broad at most.
N. E. ludia.
148. C. spinifollus Becc.—Scandent, rather slender. Leafsheaths 1-2 cm. in
diam., sparingly prickly. Leaves of the upper part of the plant cirriferous, 50-65
cm. long in the pinniferous part; petiole short or 8-10 cm. long. Leaflets not
very numerous, distinctly geminate or tcrnnte on each side of the rachis, rigid
papyraceous, elliptic or lanceolate-elliptic, 10-15 cm. long, 20-25 mm. broad, acuminate,
3-5-costulate, the mid-costa usually furnished on the upper surface at; least
•with one, more frequently several, relatively strong and short erect spines, smooth
underneath, occasionally smooth on both surfaces ; margins remotely spinulous.
Lo2oer loaves pnripinnate, tho leaflets 3 - 4 cm. broad, and with several slender, 5 - 7 mm.
long spines on 3-5 costce abovo. Male spadix slender, elongate, simply decompound:
spikelets 15-20 mm. long with very closely packed flowers. Female spadix shorter
than the leaves, diffuse, with few partial inflorescences; spikelets 5-6 cm. long with
7 - 8 flowers on each side, zig-zag sinous between the flowers. Fruiting perianth
almost explanate. Fruit sphairic, beaked, 1 cm. in diam. Scales in 18 series,
ANN. R o y . Box. GAKD. CALOUTTA VOL. X I .