208 
MR. H. N. RIDLEY ON PLANTS 
unguiculatum, album, integrum, 2 cm. longum, 1 em. latum. Petala filiformia, 
4 em. longa. .Labellum obovatum, l:5 em. longum, marginibus fimbriatis pallidis, 
centro atro-purpureo, basi tubulosum, calcaribus 2 brevibus obtusis. Anthera 
magna, cucullata, atropurpurea. Pollinia semielliptica, flava. Ale columne 
breves, late, oblong®, truncate. 
Camps XII to XIII, 11,000 to 12,500 ft. 
PTEROSTYLIS NOVO-GUINEENSIS, Ridl., sp. nov. 
Herba 22 cm. alta. Folia basalia, subrosulata, carnosa, lanceolata, obtusa, viridia, 
glabra, 3 cm. longa, 1 em. lata, nervis et nervulis elevatis. Folia caulina, lanceo- 
lata, acuminata, superne angustiora, 8 cm. longa. Flos singulus, ovario 2 cm. 
longo. Sepalum posticum lanceolatum, acuminatum, curvum, galeatum, 5 cm. 
longum, 2 cm. latum, minute pustulatum, lateralia angustiora, apice elongato 
filiformi erecto. Petala angusta, lineari-lanceolata, acuminata. Labellwm lanceo- 
latum, acuminatum, 1:5 em. longum, 3 mm. latum, appendice lineari curvo apice 
penicillato. Columna 2 cm. longa, alis magnis tenuibus obtusis triangularibus 
pallidis 5 mm. longis, pede breviusculo. Stigma angustum, oblongum. <Anthera 
oblonga, obtusa. 
Camps XI to XII, 8300 to 11,000 ft. 
This, the second species of the genus found in Papua, seems most closely allied to 
P. Baptisti, Fitzg. 
ORCHIDEJE: OPERYDEA. 
HABENARIA PAPUANA, Krünzl. Monog. Hab. 179. 
Camp VIa, 3100 ft. 
Distrib. Endemic in New Guinea. 
HABENARIA (8 PLANTAGINEXR) PHILOPSYCHRA, Ridl., sp. nov. 
Herba carnosula, 10 em. longa. Folia basalia rosulata, parva, carnosa, ovata, sub- 
acuta, sessilia, 1 em. longa et lata, glabra; caulina 8, lanceolata, acuminata, 
l:3 em. longa. Racemus 6 cm. longus, floribus approximatis. Bractee late 
lanceolate, acuminate, ovariis aquilonge vel longiores, 1 em. longs. Flores 
parvi, ovariis 8 mm. longis. Sepala ovata, oblonga, obtusa, lateralia quam posticum 
longiora, deflexa, lanceolato-ovata, 2 mm. longa. Petala ovata, obtusa, sepalo 
postico zequalia vel longiora. Ladellum carnosum, ungue brevi, lamina deflexa 
brevi lata obscure triloba, lobis lateralibus brevissimis ovatis obtusis, medio paullo 
longiori linguiformi, ad basin lamine callo transverso curvo instructo, calcare 3 mm. 
longo basi angustato tunc dilatato apice attenuato acuto. Anthera brevis, ellip- 
tica, obtusa, processubus brevissimis. S¢elidia anthere fere sequilonga, oblonga, 
lata, apice rotundata. : 
Camp XIII, 10,500 ft. 
