112—J.J.Smith in Nova Guinea 12, pt. 8 (1915) 185, t. 
61, fig. 99. 
NETHERLANDS New Guinea: vicinity of Lake Habbema, Brass 9214, 
9215, 9598, 10810, 10880; about 5 km. northeast of Wilhelmina-top, 
Brass & Myer-Drees 9406. 
The six collections cited constitute an excellent series 
of this uncommon species, from young to mature ex- 
amples. 
Calochilus caeruleus L. O. Williams sp. nov. 
Herbae terrestres, graciles, efoliosae vel subefoliosae, 
usque ad 7 dm. altae. Caules stricti. Folia caulium brac- 
teiformia, acuta vel acuminata, scariosa vel subscariosa. 
Inflorescentia racemosa, laxa, pauciflora; bracteae ovato- 
lanceolatae, acuminatae. Sepalum dorsale suborbiculari- 
ovatum, acutum, cucullatum. Sepala lateralia ovata, 
acuta, leviter obliqua, basi connata. Petala oblonga, 
leviter arcuata, obtusa. Labellum obovato-cuneatum; 
discus callis digitiformibus elongatis acutis ornatus. Col- 
umna generis. 
Slender, terrestrial, leafless or nearly leafless herbs up 
to 7 dm. tall. Stems up to 8 mm. in diameter, strict, 
with about three short, bract-like leaves or bracts. The 
cauline leaves or bracts 1-4 cm. long, sheathing, acute 
or acuminate, searious or subsearious. Inflorescence a lax 
few-flowered raceme; bracts up to 1 cm. long, ovate- 
lanceolate, acuminate. Flowers smaller than usual in 
the genus. Dorsal sepal about 7 mm. long and about 6 
mm. broad when expanded, suborbicular-ovate, acute, 
strongly cucullate. Lateral sepals about 7 mm. long and 
4 mm. broad, ovate, acute, slightly oblique, connate for 
a short distance at the base. Petals about 6 mm. long 
and 8 mm. broad, oblong, somewhat arcuate, obtuse, 
minutely verrucose dorsally. Lip about 14 mm. long and 
8 mm. broad near the apex, obovate-cuneate, gradually 
[151] 
