AVA MR. HENRY RIDLEY ON ORCHIDEZ AND 
HET#RIA ELONGATA, Lindl., Gen. et Sp. Orch., p. 494, et in 
Wall. List, n. 7384. 
Hab. “‘ Malay Peninsula”: Finlayson (Wall. List, l.c.). 
This is perhaps from Cochin - China, where Finlayson 
collected. It seems never to have been collected by anyone 
else. 
H.' nitipa, Ridl., sp. nova. Caulis ultra + poll. crassus, 
succulentus, ascendens, olivaceus ; radices crasse. Folia 3 poll. 
longa, 13 poll. lata, ovata, acuta, atro-viridia, nitida; petiolus 
1; poll. longus, canaliculatus ; vagina ¢ poll. longa, ore obliqua. 
Scapus 9 poll. longus, gracilis, erectus, pubescens; vaginew 
plures, dissitee; racemus plurimiflorus. Flores parvi, rhachidi 
appressi, resupinati. Bractee 4 poll. longs, lanceolate, 
acuminate, rubre.  Ovarium } poll. longum, cylindricum, 
sessile, glanduloso-pubescens. Sepala ze poll. longa, oblongo- 
ovata, equalia, haud gibbosa, rufescentia, extra pubescentia. 
Petala sepalis breviora tenuiora, spathulata, glabra, alba, basi 
libera. Labellum sepalis multo brevius, carnosum, flavum, 
columne adnatum, cymbiforme, basi saccatum a papillis parvis 
2-seriatis ornatum, apice rostratum marginibus involutis. 
Columna_ brevis, Superne incrassata; clinandrium parvum, 
profundum. Anthera ovata, acuminata, rufescens; loculi 
disjuncti ; margines tenues, albi, basi divaricati. Pollinia 2, 
pyriformia; caudiculus 1, breviter linearis, cum disco lineari- 
oblongo eequilongus. Rostelli lobi 2, breviter lineares. Stigma 
latum, olivaceum ; stelidia linearia, cum rostello equilonga. 
Hab. Penang: Pulau Butong! Balik Pulau! C. Curtis. 
Near H. micrantha, Blume, but with spathulate not linear 
petals and with a very different lip. The leaves are deep 
green and polished. As is usual in the genus, the flowers are 
reversed, the small lip and lateral sepals being uppermost. The 
latter are of a dull red colour, and the pure white petals are the 
most conspicuous portion of the flower. 
H. axpa, Ridl., sp. nova. Herba elata, ferme 2} pedalis; 
radices longe, crasse, lanuginose. Folia usque ad 4 poll. 
longa, 12 lata, plura, ovata vel ovato-acuminata, acuta, obliqua ; 
petioli 1 poll. longi, graciles ; vaginge magne, superne ampliate. 
Racemus 10 poll. longus, pluriflorus; rhachis pubescens. Flores 
parvi, tenues, glabri, flavi. Bractewe + poll. longe, lanceolate, 
