APOSTASIACEE® OF THE MALAY PENINSULA. 223 
Rheedii, Blume (which, however, he marks with a ?), the 
Javanese plant. In the monograph of Microstylis I adopted 
Lindley’s name for the Polynesian plant as being the oldest 
name, and as being the only one of the three plants Lindley 
included of which he had seen anything. But it would perhaps 
have been better to suppress the name altogether, as Sir Joseph 
Hooker has done. 
Microsty.is prasina, Ridl., sp. nova. Pseudo-bulbi vetusti 
3 poll. longi, ¢ poll. lati, basi incrassati, novi crassi undique foliati. 
Folia usque ad 7-9 poll. longa 3 poll. lata, tenuia; petiolus 
crassus, canaliculatus, marginatus; lamina lanceolata aut ovato- 
lanceolata acuta, in petiolum attenuata, 5-nervis, viridis vel 
purpureo - nervata, margine crispata. acemus 6 poll. vel 
ultra longus, crassus, obscure angulatus, basi longe nudus 
superne sublaxe racemosus, viridis vel purpurascens. Flores 
plures, virides. Bractew }¢ poll. longe, lanceolate, triangulares 
acuminate, deflexe. Pedicelli ¢ poll. longi, graciles, patentes. 
Sepala 3 poll. longa, } poll. lata, oblonga, obtusa. Petala 
sepalis longiora, anguste linearia. Labellum 3 poll. longum et 
latum, suborbiculare, apice late obtuse 3-lobatum; auricule 
magne, rotundate, faleate; fovea parva, profunda, margine 
haud elevata. Coluwmna smaragdina ; stelidia elongata, erecta, 
apice obtusa. 
Hab. Siam: Tonka! 
Allied to M. Wallichii, Lindl. Leaves very variable. Flowers 
light semi-transparent green, darker in the centre of the lip, 
where the texture round the fovea appears glandular. 
M. macrocuiA, Rolfe, in Kew Bull., n. 97 (1895), p. 6. 
Hab. Siam. 
Brought (with M. prasina) from Siam, sent to England by 
Mr. Curtis. Not from Pulau Aor, as suggested by Rolfe. 
M. conarsta, Reichb. f. in Walp. Ann., vi. p. 206. . 
Hab. Singapore: Chan Chu Kang! Kranji! Teban! Sungei 
Pandan ! : 
Malacca: Sungei Hudang! Bukit Batu Fija! 
Penang: Pulau Batong, C. Curtis! _ 
Perak: Maxwell’s Hill, Larut Hills! Rhio; Christ. 
Smith (in Herb. Mus. Brit.). 
This is common in open dry woods in many parts of the 
