Korthalsia.] CLVi. palmace^. 69 
(5) K. wallichiaefolia Wendl. in Kerchoff. Palm, 248; Becc. 
in Hook. fil. F.B.L vi. 475; Ridl. Mat. ii. 217. Calamosagiis walli- 
chiiefoliiis (harinaefolius in text) Griff. Palms of Brit. Ind. 29, /. 184. 
Stem 100 ft. long or more, 1-5 in. through; ochrea short, tight- 
fitting, I in. long, ending in a network of brown fibres; sheath 
glaucous and strongly thorny on back; petioles strongly thorny 
with a blackish green semi-circular callus at the base; leaflets obovate 
cuneate, blunt, toothed, glaucous, white beneath, 8 in. long, 5 in. 
wide, about 14. Spadix very large, spikes over 6 in. long. Hab. 
Very common in the south, in forests, very rarely flowering. 
Singapore, Bukit Timah. Johor, Kwala Sembrong (Kelsall). 
Malacca, Kussan (probably Kesang) (Griffith). 
(6) K. grandis Ridl. Mai. ii. 217. 
Stem 50 ft. long, 1-5 in. through. Leaves 10 ft. long; sheaths 
unarmed except a few conic thorns on back; ochrea oblong, 5 iri. 
long, tip round; petioles i ft. long, not gibbous or calloused at 
base; leaflets distant, broad obcuneate, white beneath, 10 in. long, 
5 in wide, toothed with an acuminate median tooth; petioles flat, 
orange. Spadix 4 to 5 ft. long, branches 2 ft. long, spikes 4 to 
8 in. long, *5 in. through. Hab, Forests. Singapore, Selitar; 
Bukit Mandai (Ridley). 
(7) K. ferox Becc. Males, ii. 73: Ridl. Mat. 11. 217. var. 
Malayana Hook. fil. F.B.I. vi. 476. 
Stem 20 to 30 ft. long, -5 in. through. Leaves 1-5 to 2 ft. long; 
sheath sparsely short-thorny; ochrea -5 in. long, not swollen; 
rachis and flagellum with short conic stout thorns; leaflets trape¬ 
zoid, pale beneath, obcuneate, irregularly blunt-toothed; petioles 
(lower ones) -5 in. long. Spadix i ft. long. Spikes 4, about 4 in. 
long. Spathes dilate upwards; bracts much shorter than calyx, 
woolly. Hab. Mountain forests to 5500 ft. altitude. Perak, 
Thaiping Hills (Kimstler, Scortechini). Penang Hill. Disirib. Borneo. 
(8) K. tenuissima Becc. Males, ii. 275; Ridl. Mat. ii. 218. 
Stems 100 ft. long, or less, very smooth, -i in. through. Sheaths 
smooth; ochrea short, thin, -12 in. long. Lep'es 9 in. long with about 
6 narrow obcuneate oblanceolate leaflets with a long central point, 
4 in. long, 1-25 in. wide; petiolules -i in. long. Spikes few, 1*5 in. 
long. Bracts much shorter than calyx, less woolly than most. 
Corolla -25 in. long. Hab. Perak. Land, low ground (Kunstler). 
(9) K. polystachya Mart. Hist. Nat. Palm. iii. 210, 1. 172, fig. i; 
Ridl. Mat. ii. 218. Calamosagus polystachyus Griff, and C. ochriger 
Griff. Palms of Brit. Ind. p. 3 L 216. . 
Stems long, -5 in. through. Sheaths smooth, whde scurfy; 
ochrea tight-fitting, papery, *5 in. long; petioles 2 to 3 in. long, 
a few thorns on back; leaflets obcuneate, 7 m. long, 4-5 in. wide 
or less; petiolules i in. long, red scurfy. Spadix about 2 ft. long, 
branches 4 or 5. Spikes numerous, 4 to 5 in. long. Bracts very 
short, sparsely woolly, as long as calyx. Fruit oblong, *4 in. long, 
