.1915.] H. N. Ridley : Botany of Gunong Tahan. 



183 



226. Sarcochilus violaceus, n. sp. 



Stem broad, flattened, 3 inches long. Leaves lorate, 

 keeled, apex unequally bilobed, tips rounded, short,' blunt, 

 thickly coriaceous, dark ^reen, purplish beneath, 4 inches long, 

 half an inch wide. Raceme ij inch long, lengthening 

 gradually, subterete, with short-ovate bracts. Pedicels \ inch 

 long. Nplowers half an inch long ; upper sepal lanceolate-acute, 

 lower ones ovate-triangular, gibbous at base, v\hitish violet 

 outside, violet within. Petals narrower, lanceolate-acute, 

 violet. Lip white ; side-lobes obliquely ovate, incurved ; 

 epichil low, indistmct ; spur fleshy, ovate, subacute, with a 

 brown bar near the month, and numerous white and some 

 brown hairs within. Column stout, white, base brownish ; 

 stelidia thick, incurved. Anther .semiglobose. Stigma very 

 small, subtriangular. 



On trees along the stream at the Ninth Camp. Not 

 common. A very distinct plant in its thick leaves and violet 

 flower. The lip has much the shape of that of Sarcochilus 

 calceolus. The roots are very stout and corky. 



*227. Thrixspermum Scortechinii, Ridl. op. cit. p. 330. 

 Woods on the Camp stream, Padang. Not common. 

 Distribution. Malay Peninsula. 



228. PoDOCHiLUS sciUROiDES, Rchh. fil. Very common 

 on trees in the woods on the Padang. 



Distribution. Malay Peninsula. 



229. PoDOCHiLUS TENUIS, Lindl. Mossy stones on the 

 Padang woods. Not common. Leaves more spreading than 

 usual. Out of flower. 



*230. AcRiopsis JAVANICA, Bl. ) Ridl. op. cit. p. 330. On 

 trees, rare. Flowers not seen. 



231. Het^ria elegans, Ridl. op. cit. p. 330. Woods by 

 the Teku, nearly out of flower. Endemic. 



232. Ckyptostylis ARACHNITES, B/. Wet woods by the 

 stream on the Padang and near the Gully. 



Distribution. India, Ceylon, Malay Peninsula, and Java. 

 *233. Habenaria zosterostyloides, Hook, fit.; Ridley, 

 op. cit. p. 330. Very common on the Padang, both in wet 

 woods, where it attains the height of two feet with w^ell- 

 developed leaves on the stem, and in damp open spots on the 

 Padang, where it is reduced to a height of 6 inches, with the 

 stem-leaves reduced to little more than sheaths. It ascends 

 to a height of 7,186 feet. Flowers bright green. 



Distribution. Mt. Ophir and Perak hills. 



*234. Cypripedium Robinsonii, n. sp. 

 Cypripedium barbatum, Ridl. op. cit. p. 330. 

 Stems frequently stolcniferous. Leaves few, about four, 

 eUiptic-oblong, subacute, glabrous, 3 inches long i^ inch wide, 

 pale greei with darker spots and transverse bars. Peduncle 

 erect, over a foot tall, purplish, hair5^ half an inch long. 

 Flower solitary. Upper sepal broadly ovate, narrowed at the 



