1 1 4 ANNALS o r THE EOYAL BOTiVlS'IC GARDEN, CALCUTTA.
6y a robiist strongly clawed cirnis; petiole very long (cO-60 cm.). Leaflets numerous,
Imear-Ianceolate, 20-30 cm. long, 18-30 mm. broad, S-sub-o-costulate, very conapicuously
approximate in groups of as many aa 10-12 on each aide of t!ie rachis, with long
vacant spaces interposed, equidistant in each group and all iu one plane (not
pointing to different directions). Male spadh about 1 ni. long; spikeleta spreading,
2-3*5 cm. long, with 10-16 horizontal, flatly bifarious flowers on each side. Female
spadix with many difiuso partial inflorescences; spikelets with a vermicular cylindraceous
axis, as much as 18—20 cm. long with the flowers about I cm. apart on each
side. Fruiting j^eriinth shortly pedicelliforra. Fruit globular, about 1 cm. in diam.,
narrowly and conspicuously beaked. Scales in 12 series, superiicially channelled.
Seed irregularly globular, wrinkled; albumen equable.
The Malayan Peninsula, Singapore,
174. 0. microsphcerion Beoc.—Scandent, slender. Leaf-sheaihs about 15 mm. in
diam., quite unarmed. Leaves about 80 cm. long in the pinniferous part; the cirrus
slender; petiole 8-20 cm. long. Leaflets pointing in different direclions iu groups of
2-4 on each side of the rachis, the groups 5-10 cm. apart, narrowly lanceolate, 20-30-
cuj. long, 1.5-20 mm. broad, with 3 or sometimes 5 costs?, these smooth on both
surfaces. Female spadic simply decompound; spathes closely sheathing, spikelets 5-6 cm.
long, with 10-12 flatly bifarious horizontal flowers on each side. Fruiting perianth
distinctly pedicelliforra. Fniit very small, spheric, 3-5-4 mm. in diam. Scalcs in 18
series, slightly channelied.
The Philippines.
/75. C- ramulosus Becc.—Scandent. Leaf-sheaihs about 2 cm. io diam., ai-med
with subulate spines. Leaves about 1 m. long in the pinniferous part; the cirrus
slender; petiole obsolete. Leaflets in groups of 3-5 on each side of the rachis,
the groups 3-7 cm. apart, linear, 20-21 cm. loag, about 1 cm. broad, sub-Scostulate,
smooth on both surfaces. Female spadix ultradecompound, with several
much branched, diffusedly pyramidate, partial inflorescences; spathes closcly sheathing;
spikelets ^'ery slender, 4-5 cm. long with 5-7 flowers on each side. Fruit very
small, about 4 mm. in diam., globular, beaked. Scales in 15 series, not channelled.
The Philippines.
176. C. unifarius Becc.—Scandent, robust. Leaf-sheaths 3-3-5 cm. in diam.,
armed with long acicular bulbous spines. Leaves large, 1-7 m. long in the pinniferous
part. Leaflets not very numerous, subequidistant, 6-10 cm. apart, lanceolate
or lanceolate-ensiform, with 5-7 slender cost®, tbese smooth on both surfaces. Male
spadix ultradecompouBd with several panicled-pyramid ate partial inflorescences; spikelets
distinctly callous in the axilla, very slender, arched, their axes filiform, 1-3
cm. long, with 5-15 distichous flowers on each side; involucre calyculiform, subtending
and not enveloping its flower. Female spadix simjily decompound, similar
to tiie male one; spikelets slender, 5-8 cm. long with 15-20 bifarious flowers on
each side; involucrophorum very short, explanate, callous at its axilla. Fruiting
perianth small, pedicelliform. Fruit globose, 1 cm. in diam. Scales subsquarrose
in 15 series, not distinctly channelled. Seed ii-regulerly globular, coarsely pitted;
albumen subrumiuate, embryo basal.
J u r a .
BECCAEI. MONOGRAPH OP THE GENUS CALAMUS. 115
C. unifarius var. Pentong Becc.—Involucrophorum more or less distinctly
pedicellate.
The Nicobar Islands.
177. C. subinermis H. Wendl.—Robust. Leaf-sheaihs 4 cm. in diam., thick and
woody, quite unarmed. Leaves large, 2'5 m. long in the pinniferous part; the
cirrus robust; petiole 12 cm. long, 15 mm. broad, ai-med only at the margins with
tuberculiform spines. Leaflets 16-17 on each side of the rachis, 10-15 cm. apart,
subequiiiistant, elongate-lanceolate, plicatcj many-nerved, with 5 briatly spinulous costas
above, underneath smooth; margins ciliate-spinulous.
Borneo.
775. G. pisicarpus Bl—Scandent, robust. Leaf-sheaths 2-5 cm. in diam., armed
with long straight spines. Leaves large, PS m. long in the pinniferous part;
the cirrus 2-5-3 m. long; petiole very short. Leaflets scattered, lanceolate, 35-40
cm. long, about 9 cm. broad, plicately many-costate, the mid-costa bristly spinulous.
Fruit pisiform.
Amboina.
775. C. aruensis Becc.—Scandent, robust. Leaf-sheaths 3-4 cm. in diam., quite
- smooth. Leaves about 4 m. long in the pinniferous p a r t ; petiole obsolete; rachis
quite smooth above from its base. Leaflets about 15 on each side, 10-15 cm.
apm-t, equidistant, broadly lanceolate, up to 40-50 cm. long, 7-5-8 cm. broad, with
5 primary costee and many distinct secondary nerves, all smooth on both surfaces.
Female spadiz rigid and straight with not many, strongly arched, partial inflorescences;
spikelets arched, their axis narrowly cyiindraceous, 8-9 cm. long, with 20-25
horizontal flowers on each side; involucrophorum shortly stalked. Fruit small, pisiform.
Scales in 15 series, faintly channelled.
Am Islands.
760. C- Hollfungii Becc.—Scandent, rather robust. Loaves large, the rachis prickly
above. Leaflets not very numerous, subequidistant, 6-10 cm. apart, broadly lanceolate,
with 5 primary cosfaj and many distinct secondary nerves, all smooth on both
surfaces, the mid-costa only occasionally spinulous above near the base. Female
spadiz elongate, with several strongly arched diffuse partial inflorescences ; spikelets
10-12 cm. long, with 20-25 flowers on each side; involucrophorum shortly stalked.
Fruit small, pisiform; scales in 15 series.
German New Guinea.
151. a. Vidaiiams Becc.—Apparently scandent and of moderate size. Leaf,
rachis densely prickly above. Leaflets subequidistaut, 3-5 cm- apart, narrowly
ensiform, 30-82 cm. long, 15-20 mnu broad, with 3 very distinct cost® which are
bristly spinulous above and smooth underneath; margins conspicuously spinulous.
Female spadix difiuse, terminating in a small tail-like prickly appendix; secondary
spathes unarmed, elongate-infundibuliform, closely sheathing : spikelets spreading,
arched, 5-7 cm. long, with about 6 rather distant 5 mm. long, sometimes geminate
flowers on each side; areola of the neuter flower conspicuous, subinvolucriform.
The Philippines.
ANK, EOY. BOI, GAUD Calcuiia VOI. XI.