COLLECTED IN DUTCH NEW GUINEA. 193 
Ovarium breve crassum, obconicum, sericeum. Sepala ad dimidium connata, ovata, 
acuta, sequalia, mento sericeo subgloboso scrotiformi horizontali. Petala linearia, 
angustissima, latitudine 3 sepali equantia, obtusa. Labellum quam sepala brevius, 
oblongum, lateribus elevatis tenuibus, apice obtuso linguifromi carnoso, costa 
mediana incrassata. Columna brevis, stelidiis brevibus erectis oblongis obtusis 
truncatis vix longioribus apicibus obscuris. Anthera flava, ovata, complanata. 
Canoe Camp, 150 ft. 
Allied to C. teres, Reichb. fil., but the sepals are connate for half their length. 
CERATOSTYLIS GLABRA, Ridl., sp. nov. 
Caules teretes, 16-20 cm. longi, basi ad 5 em. vaginis lanceolatis 1-3 em. longis tecti. 
Folium coriaceum, lineari-lanceolatum, subacutum, 13-14 cm. longum, 4-5 mm. 
latum. Capitulum oblongum, 7-8 mm. longum, bracteis pluribus lanceolatis acumi- 
natis costatis. Flores glabri. Sepala libera, posticum lineari-oblongum, 8 mm. 
longum, lateralia late lanceolata, acuta vel subacuta, latiora, mento elongato saccato 
crasso obtuso 3 mm. longo. Petala linearia, angusta, acuminata, fere squilonga. 
-Labellum oblongum, sepalis brevius, marginibus elevatis tenuibus apice linguiformi 
carnoso. Columna brevis, stelidiis tenuibus porrectis magnis oblongis oblique 
truncatis rigidis obscuris. Anthera ovata, orbicularis, crista obscura. 
Camps VIa, 3100 ft., VI e, 5500 ft. 
Allied to C. pugioniformis, J. J. Sm., but a bigger plant with larger, glabrous flowers. 
CERATOSTYLIS BREVICEPS, Ridl., sp. nov. 
Planta cæspitosa. Caules 15 cm. longi, 2 mm. crassi (in sicco). Folium rigidum, 
eoriaceum, lineari-lanceolatum, ad basin et apicem angustatum, 9 em. longum, 
5 mm. latum. Capitulum parvum, 4 mm. longum, bracteis ovatis acutis pallidis 
1 mm. longis. Sepalum posticum lanceolatum, obtusum, sericeum, 2 mm. 
longum, lateralia subsimilia, libera, mento cylindrico apice dilatato globoso sericeo 
3 mm. longo. Ovarium sericeum, cylindricum, sequilongum. Petala angusta, 
lanceolata, acuta, sepalis fere :equilonga, multo angustiora. Labellum oblongum, 
basi saceatum, márginibus elevatis, apice carnoso linguiformi obtuso, sepalis multo 
brevius. Columna brevis, stelidiis breviusculis lanceolatis apicibus rotundatis 
pallidis. 
Camp VI e, 5500 ft., and again at Camp XIII, 10,500 ft. 
This has the habit, stem, and leaf of C. glabra, but is smaller, the bracts of the 
capitulum are thin and glumaceous as in C. tenericaulis, Ridl, and the flowers are 
silky. 
PuREATIA LorentzII, Krinzl. in Pflanzenr. iv. 50. 11. Octarrhena Lorentzi, J. J. Sm. 
in Bull. Dép. Agric. Ind. Néerl. xxxix. (1910) 18, and Nova Guinea, Supp. 597. 
Camp VI a, 3100 ft., and Camp XIII, 10,500 ft. 
Distrib. Endemic in New Guinea. 
Smith describes the curious zigzag flattened rhachis as 2-4 cm. long and 24 mm. wide. 
In Kloss's specimens the inflorescence is developed to 11 em. long and 3 mm. wide. 
SECOND SERIES.—BOTANY, VOL. IX. 20 
