194 
MR. H. N. RIDLEY ON PLANTS 
This species, which was placed by Kranzlin in the neighbourhood of Ph. nana, Hook., is 
very unlike that and all other species in the genus, and should, I think, be separated 
generically. It has, however, no particular affinity with the type of the genus 
Octarrhena. 
PHREATIA ANGRJECOIDES, Schlechter, in K. Schum. & Lauterb. Fl. Deutsch. Schutzg. 
Südsee, 185. 
Utakwa Valley, without special locality. 
Distrib. Endemic in New Guinea. 
Also now referred by Schlechter to Octarrhena. 
PHREATIA (§ CAULESCENTES) VITELLINA, Ridl., sp. nov. 
Caules 5-20 cm. longi, cataphyllis vaginantibus tecti. Folia carnosa, linearia, obtusa, 
3 cm. longa, 1 mm. lata, curva, vaginis subcompressis 0:5-1 em. longis, cicatricibus 
lamine ellipticis. Racemi axillares, 2-2:5 cm. longi, basi nudi, floribus vitellinis 
quaquaversis, bracteis caulinis lanceolatis acuminatis cuspidatis, cuspide 1 mm. 
longo. Bractee florales lanceolate, acuminate, ovariis pedicellis additis fere iis 
equilonge. Ovarium cum pedicello 5 mm. longum.  Sepalwm posticum lanceo- 
latum, acutum, angustum, lateralia multo latiora, ovata, mento nullo. Petala 
lanceolata, obtusa, sepalo postico multo angustiora. Ladellum haud unguiculatum, 
angustum, lineare, obtusum, apice sursum curvo, marginibus elevatis, stelidiis 
distinctis truncatis. 
Camp III, 2500 ft., and Camp VI c, 5500 ft. 
** Flowers yolk-of-egg colour.” 
Allied to Ph. nana, Hook. fil., of the Malay Peninsula, but with much larger sheaths 
to the leaves, narrow lip, and differently coloured flowers. 
PHREATIA PROCERA, Ridl., sp. nov. 
Planta caulescens, caule 50-60 cm. longo, basi vaginis albescentibus exceptis nudo. 
Folia linearia, graminea, falcata, carinata, versus apicem attenuata, 7 cm. longa, 
4 em. lata, vaginis fissis in margine scariosis albis 2:5 em. longis tenuibus. Racemi 
laterales, 10 cm. longi, fere ad basin laxiflori. Bractee ovariis equilonge, acumi- 
nate, 1 mm. longe. Ovaria cylindrica, levia. Sepala ovata, acuminata. Petala 
minora, lanceolata, acuminata. Ladellum late ovatum, haud unguiculatum, apiculo 
brevi. Mentum brevissimum, rotundatum. 
Camps III, 2500 ft., and VI a, VI b, VI c, 3100 to 5500 ft. 
Allied to Ph. longicaulis, J. J. Sm. 
PHREATIA ($ CAULESCENTES) MONTANA, Ridl., sp. nov. 
Caules graciles, 8 cm. longi, radicibus gracilibus copiosis. Folia linearia, obtusa, 
curva, carnosa, complanata, minute retusa, eum mucronulo parvo 3 cm. longa, 
15 mm. lata, vaginis 5 mm. longis pallidis costatis marginibus crispis scariosis. 
Racemi erecti, 11 em. longi, graciles, laxiflori, basi ad 5 cm. nudi vaginis paucis 
exceptis. Bractee lanceolate, acuminate, 1 mm. longs, ovaria vquantes. Sepala 
