298 MR. Н. N. RIDLEY ON THE PLANTS 
Liranis comasa, Ridl. in Journ. Linn. Soc., Dot. xxxii. (1890) 229, 
Distrib. Perak. 
Eria ($ DiLocniorsis) 8сокткснїхп, Hook. Je Fl. Brit. Ind. у. 809. 
Distrib. Hills of Perak and Pahang, at about 4000 feet elevation. 
Pureatia ($ BULBOSÆ) LINEARIS, Kidl., n. sp. 
Rhizoma 4 em. longum, dense pseudobulbis et radicibus tectum. Pseudo- 
bulbi globoso-conici, 1 em. longi. Folia 2-3 anguste linearia, obtusa, 11 em 
longa, 5 mm. lata, coriacea, basi in petiolum angustata. 
Seapus gracilis, 
16 em. longus, basi ad dimidium nudus, foliis caulinis circiter 4, lanceolatis 
acuminatis 10 mm. longis exceptis. Flores minimi, subremoti. Bractee 
anguste lanceolatæ, subulatze, 2 mm. longi. Ovarium cum pedicello longius 
quam bracteæ, Sepala ovata. Petala angustiora, oblonga, subacuta. 
Labellum ovatum, haud unguiculatum, integrum, obtusum, quam sepala 
brevius. 
Ula Langat. 
Very near, if not identical, is a plant collected by Beccari on Mt. Singalan, 
Sumatra, No. 397 (Herb. Kew.). 
This plant most resembles Ph. listrophora, Ridl.; the lip is, however, not 
clawed but ovate, like that of Ph. minutiflora, Lindl. 
CERATOSTYLIS GRACILIS, Blume, Bijdr. 306. 
Distrib. Common all over the Peninsula. 
CERATOSTYLIS LANCIFOLIA, Hook. f. Fl. Brit. Ind. v. 826. 
Distrib. Apparently rare, having only previously been collected by Scorte- 
chini in Perak. 
CALANTHE VERATRIFOLIA, X. Br. in Bot. Reg. sub t. 573. 
Distrib. Johor and Perak, India, Malay Islands to Australia. 
C@LOGYNE CARNEA, Hook. f. Fl. Brit. Ind. v. 838. 
Distrib. Pahang, Selangor, Perak. Common at high altitudes. 
Dinocata CaxrLEvr, Ridl. in Journ. Linn, Soc., Bot, xxxii. (1898) 332. 
Distrib, Perak and Pahang, at high altitudes. 
PLOCOGLOTTIS JAVANICA, Blume. Bijdr. 381, t. 21. 
Distrib. Common all over the Peninsula, Java. 
SACCOLABIUM BIGIBBUM, ook. f. Bot. Mag. 5101. 
Distrib. Burmah, Perak, and Pahang. 
THRIXSPERMUM MONTANUM, Zeidl., n. sp. 
Caulis validus, 15 em. longus, 6 mm. latus, Folia coriacea, lorata, obtusa, 
15 em. longa, 2 em. lata. Peduneulus 45 mm. longus. Raeemus 15 mm. 
longus, pauciflorus, vix Inerassatus, compressus, bracteis ovatis acutis. Flores 
