ORCHIDACE^ 



broader labellum. Closely allied to B. longerepens Schltr. of the 



Celebes, from which it is separable by the longer scapes, by a 



distinctly three-lobed labellum and by slightly larger flowers. 



Philippines, Mindanao, Bukidnon Subprovince, Mahilucot River, M. 

 Ramos <§* G. Edano Bur. Set. 38685, July 14, 1920, Along streams in 

 forest. Flowers yellowish. 4100 feet altitude. 



Bulbophyllum nigroscapum Ames sp. nov. Herba epiphy- 

 tica. Rhizoma repens. Pseudobulbi subobsoleti, monophyUi. Fo- 

 lium erectum, ligulatum, coriaceum, petiolatum, utrinque atten- 

 uatum, costa media supra sulcata, subtus carinata. Scapus sub- 

 arcuatus, in sicco niger, plus minusve quindecimflorus, infra 

 racemum bracteatus, bracteis vaginantibus. Bracteae inflorescen- 

 tiae anguste lanceolatae. Sepala lateralia triangulari-lanceolata, 

 ad basim mentum formantia. Sepalum dorsale simile. Petala se- 

 palis multo breviora, oblonga, obtusa. Labellum simplex, ecallo- 

 sum. Columna brevis, ad apicem bicuspidata vel bidentata. 



Rhizome creeping, whitish when dry, copiously rooted, the 

 roots coarse and fibrous. Pseudobulbs inconspicuous, reduced to 

 raised discs on the rhizome, 1 mm. high, about 2 cm. apart, mono- 

 phyllous, yellowish. Leaves 8-13.5 cm. long including the peti- 

 ole, about 1.5 cm. wide at the middle, coriaceous, oblong, ligu- 

 late, hardly bidentate at the rounded tip, sulcate above along the 

 mid-nerve. Petiole short, about 1.5 cm. long, sulcate, rigid. Scape 

 ±8 cm. long, with its loose raceme of cream colored flowers 

 shorter than the leaves, blackish when dry, sheathed below 

 the raceme by several tubular scarious bracts ±1 cm. long, the 

 uppermost one obliquely infundibuliform, whitish when dry. 

 Raceme about 5 cm. long, flowers about 3 mm. apart, subtended 

 by linear-lanceolate, acuminate bracts ±5 mm. in length, whitish 

 when dry, which exceed the pediceUate ovaries. Flowers about 

 fifteen, yellowish in dried material, cream colored when firesh. 



[86] 



