1586 Leaflets of Philippine Botany [Vol. V, Akt. 77 



at 3750 feet above sea level. The flowers are described as lemon 

 yellow with a slight fragrance. 



Mindanao: District of Davao, Todaya (Mt. Apo), August, 

 1909, A. D. E. Elmer, 11307. 



Forming clumps upon limbs of large trees in damp woods 

 at 4000 feet. Rootstock short branched, nearly one half an inch 

 thick, rigid, yellowish; leaves thick and rigidly coriaceous, 

 ascending, folded toward the green and rigid petioles, somewhat 

 paler green beneath ; peduncle lateral, flattened and provided with 

 yellowish green flattened bracts ; spike terete, strongly recurved 

 toward the tip; flowers rigid with a slight odor. 



Bulbophyllum negrosianum sp. nov. 



Aff. B. lasioglosso. Pseudobulbi 2.5 cm. longi, lageniformes, 

 vel pyriformes, sensim attenuati, monophylli. Folium petiola- 

 tum, cum petiolo circiter 2 dm. longum, fere 4 cm. latum, coria- 

 ceum, oblongum, vel oblongi-lanceolatum. Scapi elongati, gra- 

 ciles, e basi pseudobulborum oriundi, aphylli, racemo sublaxo, 

 usque ad 4 dm. longi, bracteis vaginantibus vestiti. Bracteae 

 inflorescentiae minutae, circiter 1 mm. longae. Racemi circiter 

 1.5 dm. longi. Pedicellus abbreviatus, valde arcuatus cum 

 ovario circiter 4 mm. longus. Sepala lateralia purpurea, oblongi- 

 lanceolata, circiter 6 mm. longa, usque ad 2.5 mm. lata, 3-nervia, 

 acuta, membranacea, glabra. Sepalum dorsale oblongi-lanceo- 

 latum, acutum, margine dense piloso pilis patentibus, 6 mm. 

 longum, concavum. Petala lineari-lanceolata, 1-nervia, circiter 

 3 mm. longa, 1.5 mm. lata, pilosa. Labellum circiter 4 mm. 

 longum, 3-lobatum. Lobi laterales parvi, rotundati ; lobus medius 

 lanceolatus 2.5 mm. longus, 2 mm. latus, 5-nervius. Ad basim 

 labelli callus orbicularis. Columna simplex, calyptra antherae 

 peniciliis duobus instructa. 



This is a very near ally of Bulbophyllum lasioglossum Rolfe. 

 The smaller different colored flowers (those of the older species 

 being greenish-white with a blackish lip) and the shorter pedicels 

 are among the most evident distinctions. Elmer descril)ed the 

 flowers as follows: "Dull purple except the whitish purple streaked 

 uppermost segment and the brown versatile or quivering lower- 

 most segment." In Bulbophyllum lasioglossum the basal callus 



