7 6 A^'^^ALs OF t h k ]?or.uL BOTAA'IC GAJinjiX, CALCUTTA.
28. C. radufosus Bccc.—S/ica(hed dim 2-5-3 cm, in diain. Leaf-shcaths denselyarmed
with obliqucl}' inserted, ascendiug, triangular spines, Lr.aves ratlior large,
I 2-1*5 m. long; petiole none. Leajlels numoroiis, equidistant, 2-3 em. apai't, enslform,
the intermediate ones 45 luui. long, 25 mm. broad, 3-costiilate, the li costaj bristly
beneath towards the apex, on the upper surface orly the niid-costa sometimes bristly;
the upper h^aflots gradually smaller, those of the torniinal paii- 13-15 cm. long,
8-12 mm. broad, shortly connate at the base. Male spadix ultra-decompDund. Female
spadu siiiijjle decompound, very long, witli many, remote, very long, partial inflorescences;
priinary spathcs elongate; lower spikelots 8-9 cm. long witli flowers oa euch
side: secondary spathes, spatiiels and involucres .strongly scabrid. Fruiting perianlli
explanate. Fruit small.
Tlie Malayan Pemasula.
29. C. rugosus Becc.—Scandent, sk-nder. Sheathed stem 8-10 mm. iii diani.
Lcaf-sheaika .ni'med with short triangular horizontal confluent subvertical laminar spines
and with spinulous Nvrinlcles interposed between the whorls of the larger spines.
Leaves about 70 cm. long; the petiole elongate. Leajleis numerous eqiudistant, closely
set, hnear or linear-lanceolate, unicostate, 15-17 cm. long, 8-10 mm. broad, on the
upper surface the mid-costa and one nerve on each side of it rather densely
bristly, underneath only the mid-costa bristly; the terminal pair of leaflets slightly
smaller than the others, free at the base. Female spadix filifoi-m, with few very
email partial inflorescences; tliese with few and short spikelets; secondary simthes
and spathels scabiid.
The Malayan Peninsula.
3U. C. Habel/atus Becc,—Scandent, very slender. Sheathed stem 5-6 mm. in
diam. Leaf-sheaths striate, unarmed. Leaves simple, elongate-flabelliform, furcate or
parted into two broadly lanceolate, acuminate, acutely 6-7-costate
both surfaces.
Borneo.
green on
57. C. Jaoensis Bl. (type).—Slender. Sheathod stem 5-8 mm. in diam. Leafsheaths
longitudinally striate, spai-ingly armed with straight, 1-5 mm. long spines.
Leaves short (30-50 cm. long); the petiole very short. Leajl.ets few, 3-6 on each
side, oblong or elliptic, usually 2-3 cm. broad, the basilar pair spreading and the
apical pair very highly connate. Male and 'female spadices filiform, very elongates,
spikelets divaricate. Fruiiing perianUi subpedicelliform. Fruit 15-16 mm. °long,
ellipsoid-ovoid, tipped by a cylindric, 1-5-2 mm. long beak.
Java,
c. jaoensis var. exHis 'Qeca.—Sheathed stem very slender, i - 5 mm. in diam.-
petiole elongate (17 cm. long). Leaflets very narrow (1-5-2 cm. broad).
Java.
G. fauensis var. peninsufans BccG.—Stem and leaf-sheaths more or less as in the
type. Leaves 30-50 cm. long; the petiole very short or almost wanting. Lea/lets
very few, 3-6 on each side, in equidistant, elliptic or ovate-elliptic, 15-18 cm. long,
BECCAI?!. MONOGP.APH OF THE GENUS CA.LAiMU«. 7 7
relatively broad (3-6 cm.); the basal pair strongly deflexcd, the apical pidr connate
for two-thirds of their length. Fnnl subglobose, about 8 mm. in diam., tipped by
a cylindric, 2-5 mm. long beak, Scalcs in 18 series.
The Malayan Peninsula.
c. jaoensis sub-var. purpurascens Becc.—Leafets broader than usiril (6-7 cm.),
purpm-esuent, the basal two strongly deflexcd, embracing the stem, and harbouring ants.
I'ulo I'enatig and I'erak.
C. jaoensis sub-var. pinangianus Leaf-sheaths mottled, densely prickly.
Leaflets subclustered, narrow, those of the basal pair not deflexed and not embracing
the stem.
Pi Jo Penang.
c. jaoensis var. tetrastichus Becc.—Sheathed stem 6-7 cm, in diara. Lwfsheaths
striate, rather densely amred with short, broad-based, sometimes deflexed spines which
have a tendency to become hooked. Leaflets few, oblanceolate, comparatively broad
( 3 - 4 cm.), those of the basal pair strongly deflexed, concave and embracing the
stem; petiole very short. FruU ellipsoid-ovoid, 12-13 mm. long including the beak,
the beak itself I'o mm, long. Fruiting periinth completely explanate.
Borneo.
C. jaoensis var. tenuissinws Becc.—l-kcessively slender. Sheathed stem 3-25-4 mm.
in diam.; naked canes 2 mm, in diam. Leaves about 40 cm. long, the petiole
5 - 8 cm. long. Leaflets usually 3 on each side of the rachis and opposite, the
pairs remote, inequidistant, narrowly lanceolate or oblanceolate, those of the basal
pair spreading, not embracing the stem. Fmil ovoid-ellipsoid, conspiciiously beaked.
Scales in 15 series.
Mountains of the Malayan Peninsula.
C. jauensis var. sublCBois 'HCQG.—Sheathed stem 7-8 mm. in diam. Leaf-sheaths
almost smooth. Leaves 45-80 cm, long; the petiole elongate. Leaflets inequidistant
4 - 6 on each side. '
Borneo.
C. jauensis var. polyphyllus Bccc.—Sheathed stein 7-8 mm. in diam, Leaf-sheaths
rather densely beset with straight, horizontal, 5-6 mm. long spines. Leaves with
about 10 lanceolate almost equidistant leaflets, the basal pair inserted very near the
mouth of the sheath and deflesed.
Malayan Peninsula,
C. jaoensis var. intemedius 'Becc.—Sheathed stem 5-7 mm. in diam. Leaf-sheaths
armed with many small, short, straight spines. Leaflets 6-7 on each side of the
rachis, lanceolate or oblanceolate, the mesial 15-17 cm. long, 2 cm. broad, those
of the basal pair not deflexed.
lialayan Peninsula.