long and 0.3 mm. broad, linear, obtuse, puberulent above 
and laterally but glabrous beneath, attached near the 
base of the column. Column of the genus, about 0.7 
mm. long; pollinia four. 
British New Guinea: epiphyte in ridge crest forest, Mt. Tafa, Cen- 
tral Division, alt. 2400 m., May—September 1933, Brass 4902; amongst 
moss on tree trunks of ridge forest trees, stems pendent, single or in 
tufts, flat fleshy leaves, Mt. Tafa, Central Division, alt. 2400 m., 
May-September 1933, Brass 5036 (Tyrer in Herb. Ames No. 57612). 
Chitonanthera Brass is allied to C. angustifolia 
Schltr., but differs in its narrower petals and leaves. 
Chitonanthera filiformis L. O. Williams sp. nov. 
Herbae epiphyticae, parvae, usque ad 10 em. longae. 
Folia filiformia, teretia, articulata. Inflorescentia foliis 
aequalis. Sepalum dorsale ovatum, obtusum, uninervi- 
um. Sepala lateralia ovata, obtusa, leviter obliqua. Petala 
rhombico-reniformia vel rhombico-orbicularia, obtusa, 
uninervia. Labellum oblongo-lanceolatum, obtusum, 
cymbiforme, bicallosum. Columna generis. 
Small, matted, epiphytic herbs up to 10 cm. long. 
Stems slender, tHexuose, fractiflex ; internodes 4-10 mm. 
long. Leaves 5-20 mm. long (mostly 10-15 mm. long) 
and 0.25—0.5 mm. in diameter, filiform, terete, articu- 
late; leaf-sheaths covering the stem, the apex extending 
out 1-2 mm. from the stem to the articulation with the 
lamina. Inflorescence short, about equal to the subtend- 
ing leaf or shorter, few-flowered; rachis filiform, fracti- 
flex; bracts about 1 mm. long, ovate-triangular, acumi- 
nate, verrucose dorsally. Sepals united for a short dis- 
tance at the base, fleshy; dorsal sepal 1.5-2 mm. long 
and 1.2-1.5 mm. broad, ovate, obtuse, l-nerved; lateral 
sepals about 1.2-1.5 mm. long and 0.8—-1.2 mm. broad, 
broadly ovate, obtuse, somewhat oblique, 1-nerved. Pet- 
als about 0.5 mm. long and 0.7 mm. broad, rhombic- 
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