176 Materials for a Flora of the Malayan Peninsula. 



a inch long, narrow acuminate black at the base, mouth of sheath with 

 a broad thin margin ; petiole i length of the whole leaf, armed with 

 few pale hooked thorns ; leaflets linear long acuminate 16 inches long, 

 a little over 2 inch wide, bristles on the keels and margins below few, 

 numerous on edges at the long slender setiform tip ; rachis strongly- 

 keeled ; leaves on the flowering stems very much smaller about a foot 

 long with very narrow leaflets, spathes 4 to 10 inches long ; peduncle 

 longer than limb, sometimes 4 inches long, outer spathe lanceolate nar- 

 rowed at the base, armed with long very slender black spines, beak 

 linear flat very long, longer than the body of the spathe, unarmed. 

 Inner spathes unarmed. Spadix short under three inches long, unisex- 

 ual. Male flowers, bract and spathel ribbed. Calyx tubular shortly 

 three lobed and ribbed. Petals curved twice as long. Female spadix 

 as long. Fruit rather large globose a inch through, scales orange yellow 

 with a brown tip, edge scarious, grooved in centre, in 6 rows. Calamus 

 monticolus Griff. Calc. Journ. Nat. Hist. V. 90. Palm Brit. Ind. 97, 

 t. 214 A. B. G. 



Penang Hill (Ridley 7034, 7896). Distrib. Borneo. 



Beccari suggests that this is D. petiolaris Mart. Calamus petiol- 

 aris Griff, but that is described as erect and I should be inclined to 

 refer it to C. calicarpus. 



5. D. LEWISIANUS, Mart. Hist. Nat. Palm. 327, t. 175, f. IV. 

 Stem stout about 20 feet long covered with long black spines. Leaf 

 large, petiole over 7 inches long base swollen, strongly armed with long 

 flat black spines especially on the edge and back ; leaflets close ecruidis- 

 tant narrow linear acuminate over a foot long ^ inch wide, bristly on 

 edge, tip and nerves especially beneath ; rachis hardly trigonous, with 

 hooks in threes. Flagellum about four feet long, fairly stout, hooks 

 solitary or as many as 6 together. Spadices unisexual, outer spathe over 

 a foot long, 3 inches wide covered with spiny bristles slender and weak 

 about an inch long, in series, beak 6 inches long, 2nd spathe less bristly 

 and chiefly on keel and tip. Spadix about a foot long, branches rufous 

 tomentose. Calyx tubular hardly lobed. Petals lanceolate not ribbed. 

 Female spathe beak as long as the body, spadix 3 or moi'e inches long. 

 Fruit globose 4 inch long yellow scales about 7 rows, edges paler, tip 

 blunt, grooves shallow. Hook. fil. Brit. Ind. VI. 469. D. Kirtong 

 Griff. Palm. Brit. Ind. 102 CCXVI B. D. malaccensis Mart. Hist. Nat. 

 Palm. III. 327. Calamus Lcwisiamis Griff. Calc. Journ. Nat. Hist. V. 

 87, Palm Brit. Ind. 94, PL 212 A. C. acanthopis Griff. I.e. p. 102, t. 2170. 



Johore : Bukit Soga, BatuPahat (Ridley 11025) ; Ponang : (Lewis) 

 Moniot's Road (Ridley 9466), Waterfall (11461) ; Provinco Wellesley : 

 Bukit Juru (Ridley 7100). Endemic, vory distinct in its almost bristly 

 spines. I think Griffith's C. acanthopis is this plant. 



6. D. ACICULATUS, n. sp. Leaves 4-6 feet long, petiole 6 inches 

 long thickly sprinkled with short sharp spines on all sides ; leaflets 



