BECCARI. MONOGRAPH OF THE GENUS CALAMUS. 118 
769. ©. albus Pers.—Scandent and rather robust.  Leaf-sheaths 2-5 em. in 
diam., densely armed with small acicular spines. Leaves 2-3 m. long in the 
pinniferous part. Leaflets numerous, large, equidistant, 6-10 cm. apart, slightly 
concave-convex, lanceolate, 45-65 cm. long, 5-7 cm. broad, 5-costulate, the coste 
more or less spinulous above, smooth underneath; margins spinulous, male spadix 
forming a large panicle about 2 m in length; spikelets small, 3-4 em. long, with 
12-15 approximate flowers on each side. Female spadiz robust, 1'5 m. long (in 
one specimen) with many rather approximate partial inflorescences; spikelets very 
spreading, arched, up to 25 cm. in length, with 18-20 flowers on each-side, zig-zag 
sinuous between the. flowers. Fruit globose-ovoid or obovoid, beaked, 18-19 mm. 
long, 12-14 mm. broad. Scales in 15 series, shining, faintly channelled, straw 
coloured. Seed boldly tubercled and deeply pitted; albumen coarsely rumirate ; 
embryo basal. 
Amboina. 
170. C. pallidulus Becc.—Leaf-sheaths 13-20 mm. in diam., very thick, greenish 
or straw-yellowish like almost every other part of the plant when dry. Leaves 
30-40 cm. long in the pinniferous part, terminating in a long and robust cirrus ; 
petiole very short or obsolete. Leaflets very few, 4-5 on each side, inequidistant 
but not fascicled, ensiform or lanceolate, 20-25 cm. long, 15-20 mm. or at most 
30-35 mm. broad, unicostate, smooth on both surfaces; margins spinulous. Female 
spadiz panicled, diffuse ; secondary spathes and spathels scabrid, spikelets spreading, 
vermicular, their axis cylindraceous, slender, up to 10 cm. long, with about 10 
flowers on each side. Fruiting perianth slightly ventricose at the base. Fruit spheric, 
18 mm, in diam. Seals in 15-18 series, superficially channelled. Seed globular-ovoid, 
deeply pitted; albumen deeply ruminate; embryo sub-basal. 
The Malayan Peninsula; Singapore, 
171. ©. macrospherion Bece.—Apparently scandent and robust. Female spadix 
rigid and robust; partial inflorescences short and rigid, 25 cm. long and with 5 
spikelets on each side (in one specimen); spikelets inserted above the mouth of 
their own spathe, distinctly callous at the axilla, 4-4 cm. long, with 8-9 approxi- 
mate flowers on each side. Fruiting perianth distinctly pedicelliform. Fruit spheric, 
about 2 cm. in diam., very shortly mammillate. Scales in 1é series, convex, narrowly 
channelled. Seed globular, minutely tubercled; albumen very deeply ruminate; 
embryo on the face opposite the chalazal fovea. 
Celebes. 
172. C. mattanensis SBecc.—Scandent, slender or of moderate size.  Leaf- 
sheaths 12-17 wm. in diam., very thick, light-coloured like the other parts of the 
plant, armed with strong, flat, narrowly lanceolate spines, Zeaves about 1 m. long in 
the pinniferous part, terminated by a not very robust cirrus; petiole about 25 cm. 
long. Leaflets not very numerous (8-9 on each side) more or less approximate into a 
few groups, linear-ensiform, up to 32-38 cm. long, 2-3 cm. broad, unicostate, longi- 
tudinally plicate, quite smooth on both surfaces; margins spinulous. 
Borneo, 
173. C. Oxleyanus Becc,—Ereect or later scandent. ^ Leaf-sheaths not flagelliferous, 
open on the ventral side. Leaves 3-3:5 m. long in the pinniferous part, termi 
Ann. Roy. Bor. Garp. Catcurra Vor. XI. 
