46 ANNALS OF THE ROYAL BOTANIO GARDEN, CALCUTTA. [D. Manii, 
alternate or sub-opposite, papyraceous, sub-concolorous on both surfaces, very narrowly 
ensiform, very gradually acuminate to a subulate and setiform point, and rather 
suddenly narrowing in their lower part to an acute base; on the upper surface 
the mid-costa is slender but acute, sprinkled from the middle upwards with long 
light-brown bristles and accompanied, on each side, with a slender nerve which is also 
equally bristly from near its base, at distances of 1-2 cm.; the under surface is 
usually quite smooth or with only a few straggling bristles on the superficial mid- 
costa; the margins are closely and spreadingly bristly-spinulous ; the largest leaflets, 
those a little above the base, 25-30 cm. long, 12-15 mm. broad; those near the 
apex gradually smaller, and the ultimate ones rudimentary. Male spadiz . . . . 
Female spadiz apparently very narrowly fusiform before flowering, erect, with a rigid 
short (2-3 cm. long), unarmed (or almost so) peduncular part; first or outermost 
spathe completely enclosing the inner ones, not very deeply concave-cymbiform, 
very narrowly lanceolate, 50 cm. long (in one specimen) and very gradually 
narrowing into a long beak, thinly coriaceous, exsuccous, scaly-furfuraceous, 
long persistent and marcescent, acutely 2-keeled on the dorsum, 2 cm. broad 
between the two keels, and in this part only armed not very densely, with flat, 
clastic, 1-2 cm. long, solitary and scattered spines; the beak almost as 
long as the body and unarmed; inner spathes  lanceolate-acuminate, very 
slightly concave or almost flat, all unarmed; tbe axial part of the spadix 
15-28 cm. long, simply  decompound, cupressiform on the whole, with 4-5 
erect branches or partial inflorescences; the latter glabrous, shortly and stoutly. stalked, 
the uppermost alone provided with a rather long peduncular part; the lower 
branches, which are the largest, 8-10 cm. long, with 5-8 spikelets; the latter with a 
rigid, rather thick, zig-zag sinuous axis; the largest of them, the lowest, 2-! cm. 
long with only 3-4 flowers on each side; the internodes of the main axis obsoletely 
angular, 3-4 cm. long, not or very slightly swollen at their bases; the internodes 
of the partial inflorescences also obsoletely angular, 7-10 mm. long, not or very 
slightly swollen at their bases; the internodes of the spikelets (the spaces between 
two flowers) 3-6 mm. long; spathels bracteiform with a very short scarious and 
unilaterally apiculate or even acuminate limb; involucropkorum —pedicelliform, 2-3 
mm. long, cylindraceous or obsoletely angular, slightly callous at its axil, broadened 
at ihe apex into a short, oblique and at one side acute limb; involucre cupular, 
truncate, entire or very obsoletely 3-denticulate, slightly raised above the involucro- 
phorum ; areola of the neuter flower not very conspicuous, very slightly tumescent. 
Female flowers apparently not differing from those of D, Jenkinsianus. Fruiting perianta 
persistent, not quite explanate under the fruit, the calyx being slightly convex and 
callous at the base. Fruit spherical, very shortly umbonate-mueronulate, crowned by 
the small recurved stigmas, 15-18 mm. in diameter; scales in 18 longitudinal series, 
more deeply and broadly channelled along the centre of the posticous part than at 
the apex, polished, brownish, very slightly darker near the margin which is very 
narrowly scarious and very finely erosely toothed; the apex obtuse and not spotted, 
Seed globular, slightly flattened, not ventricose on the raphal side; embryo basilar, 
slightly to one side. 
HABITAT.— Andaman Islands, Native name ‘‘ Ching”; the leaves used for thatching 
huts, Collected by E. H. Man. 
