Materials for a Flora of the Malayan Peninsula. 179 



in short bars and mostly connate at the base, beak nude except at the 

 base with a pair of ridges continued from the body. Spadix male largo, 

 branches red scurfy, spathels small cup-shaped, calyx tubular shortly 

 lobed strongly ribbed, petals longer oblong anthers linear. Miq. Fl. 

 Ind. III. 901. Hook. fil. Fl. Brit. Ind. VI. 464. Calamus hygrophilus 

 Griff. Palm. Brit. Ind. 96, t. 213 C. 



Malacca : (Griffith) Bukit Sadanen (R. Derry) ; Selangor : Batang 

 Berjuntai (Ridley 7880) Petahng. Native names " Rotan Ayer," 

 " Rotan Chichi Landak." 



10. D. CALOSPATHA, n. sp. Leaf large, rachis stout elliptic in 

 section ribbed with a few strong ribs, hooks recurved stout solitary on 

 the back rib, some large, others small ; leaflets lanceolate acuminate 12 

 inches long f inch wide equidistant with a very few scattered bristles. 

 Spadix with a flat peduncle 9 inches long armed with broad dagger- 

 shaped spines f inch long pale, in series. Female spathes about 8 thin, 

 the outer one 8 inches long an inch across, not completely covering the 

 others, thin oblong, apex broad ending suddenly in a long beak ; spines 

 not numerous pale straight narrow bases thickened i inch long, on the 

 keels and beak, the upper spathes with few short spines on the keels, 

 but many on the beak. Spadix unisexual short with short branches 

 flowers short and thick. Calyx circular cup-shaped entire. Corolla 

 lobes lanceolate acute twice as long. Stylearms very long and thick. 

 Fruit large i inch through globose slightly flattened at the tip, not 

 beaked scales numerous broader than long about 10 rows, orange with a 

 brown edge. Seed, with 3 inner faces angled and back rounded. 



Perak : Gunong Keledang (Ridley) (ScortechinO. 



11. D. CONGESTA, Ridl. Stem very stout l£ inch through yellow. 

 Leaves very long, petiole stout gibbous at base armed with strong flat 

 scattered spines on the back and edge, rachis elliptic in section below 

 subquadrate above armed with distant short pairs of hooks stout black 

 tipped ; leaflets distant alternate 18 inches long l£ inch wide linear acu- 

 minate with a few very short bristles towards the tip ; fiagellum long 

 strongly and closely armed with semicircular clusters of strong black- 

 tipped hooks. Spathes not seen ; spadix very short about 2 inches 

 long very densely compact, spathels very short imbricating bract-like 

 saucer-shaped. Fruit unripe cylindric dark brown scales elevated deeply 

 grooved margins scarious. 



Singapore, at Stagmount, (Ridley). A single plant in young fruit. 

 Very striking from the very yellow stem, and the densely crowded 

 spadix with a mass of fruit. 



12. D. IMBELLIS, Becc. Records Bot. Survey India II. p. 220. 

 Stem unknown, leaves not flagelliferous, rachis back rounded above 

 acutely two sidod unarmed, leaflets numerous equidistant narrowly 

 ensiform largest 14-16 inches long i inch wide, very acuminate, bristly 

 on the three acute and two secondary nerves above and only on the 



