C. plpatysathus. | BECCARI. MONOGRAPH OF THE GENUS CALAMUS. 305 
costae, of which the mesial is scarcely stronger than the side ones and naked, whereas 
these last sre occasionally spinulous; the lower surface of a light-ferrugineous colour 
and very faintly pulverulent or subtomentose-furfuraceous (when young?), with smooth 
not prominent nerves; transverse veinlets remote and much interrupted; margins 
inconspicuously closely appressedly spinulous, the spinules more spreading towards the 
summit. .Male spadiz very slender, filiform, ultradecompound, in one specimen 65 m. 
long with 6 partial inflorescences, which are inserted at equal distances, and with a 
short aculeolate filiform rudimentary flagellum at its summit; primary spathes at first 
enclosing the inflorescences, then bursting longitudinally, very shortly sheathing at the 
base, otherwise open flat and laminar, about as long as the inflorescences, papyraceous, 
exsuccous, narrowly oblong or very broadly linear, obtuse or subtruncate at the apex, 
yellowish-brown externally and fugaciously scaly-furfuraceous and paler than inside, 
wbere perfectly glabrous, shining and closely longitudinally striate; the lowest spathe 
not differing from the others, 10 cm. long and 13 mm. broad, with a narrowly 
tubular and flattened base, this spinous at the sides, and with two slightly spinulous 
carinae; the upper spathes and inflorescences gradually shorter; axis of the spadix 
filiform, subterete, about one mm. thick, smooth in its lower portion, unilaterally 
armed with delicate solitary claws upwards; partial inflorescences erecto-patent, panicled, 
ovate in outline, with a somewhat unilateral arrangement in all their divisions, the 
largest the lowest, l0 cm. long, bearing on each side 6-7 branchlets ; these spreading, 
inserted with a very conspicuous axillary callus, gradually diminishing, the larger 
ones, the lowest, about 3 em. long with 4-5 spikelets on each side; secondary spathes 
sparsely rusty-furfuraceous at first, later glabrous, narrowly tubular-infundibuliform, 
closely sheathing and prolonged at the summit into a small membranous subulately 
pointed limb; spikelets short, patent and like the branchlets with a very distinct 
axillary callus and a transverse rima, the larger ones, the lowest, 8-10 mm, long 
with only 4-5 approximate bifarious flowers on each side; the upper spikelets shorter 
and very few-flowered; spathels short, asymmetrically infundibuliform, acute or 
acuminate, the point subtending the involucre; this inserted at the base of the 
spathel above its own, calyculiform, slightly concave, transversely subcymbiform, 
acute right and left. Male flowers glabrous, narrow, elongate, subterete, acute or 
apiculate, 2:5 mm. long, and :6 mm. thick; the calyx with a short subcampanulate 
not veined tube, its teeth broad and acute; the corolla two and a half times as 
long as the calyx, divided down past the middle into three oblong apiculate segments, 
smooth outside; stamens with filaments united by their bases, subulate in their 
upper part and with inflected apices; anthers narrowly sagittate, acute; rudimentary 
ovary very small enclosed in the tube which is formed by the united bases of the 
stamens. Female spadiz and fruit unknown. | 
Hasitat.—Tavoy in Tenasserim, Wallich No. 8610 in Herb. Kew and St. 
Petersburg.— Rediscovered in 1900 in Tavoy, Nabule Rocks, Shaik Mokun No. 300 
(Herb. Cale.). 
OBsERVaTIONs.—Of Wallich’s specimens I have seen one male spadix and a 
portion of a leaf in the Herbarium at Kew ard another male spadix in that of 
St. Petersburg. The leaf measures 50 cm, in length, has only 6 leaflets in all, 
and seems almost entire, apparently wanting only the base. C. platyspathue is 
Axs. Roy. Bor. Garp, Carcurra Vor. XI. 
