PHILIPPINE ORCHIDS. 129 
to B. lasianthum among the Philippine specimens I have ex- 
amined. 
A. Raceme sharply decurved B. cuneatum 
B. Raceme erect or simply flexuose. 
a. Labellum or sepals hairy. 
b. Labellum hairy B. lasioglossum 
(6. Sepals hairy B. lasianthum) 
a. Labellum ciliolate; sepals smooth. 
b. Lateral sepals caudate-tipped. 
c. Leaves 7.5 to 15 cm long B. adenopetalum 
c. Leaves 5 to 6 cm long B. Ramosii 
b. Lateral sepals triangular-lanceolate, not caudate-tipped. 
c. Leaves about 15 cm long B. lancipetalum 
c. Leaves 3.5 to 5.5 cm long B, gimagaanense 
c. Leaves 8 to 10 cm long B. Clemensiae 
a. Labellum smooth on the margin. 
b. Plants caespitose. 
c. Pseudobulbs 1 cm long; flowers several B. Merrittii 
c. Pseudobulbs wanting or minute. 
d. Flowers several B. lepantense 
d. Flowers two B. pauciflorum 
b. Rhizome creeping; leaves distant. 
c. Flowers 7 mm long B. vagans 
c. Flowers less than 7 mm long. 
d. Raceme erect, many-flrfwered, longer than the leaves, 
e. Petioles 3 to 10 cm long. 
/. Leaves elliptic-oblong B. Vanoverberghii 
f. Leaves narrowly lanceolate B. dasypetalum 
e. Petioles about 1 cm long B. zambalense 
d. Raceme weak, few-flowered, shorter than the leaves; petals 
spathulate B. marivelense 
d. Raceme 2-flowered B. Curranii 
(Insufficiently known) B. braccatum 
§ RACEMOSAE. 
Bulbophyilum Clemensiae sp. nov. 
Aff. B. adenopetalo et B. clasypetalo. Rhizoma crasswm. 
Pseudobulbi 0. Folia oblanceolata, coriacea, petiolata. Scapus 
gracilis flexuosus, bracteis tubularibus prope basim. Racemus 
elongatus, bracteis inflorescentiae glabris, lanceolatis, ovarium 
aequantibus. Sepala lateralia triangulari-lanceolata, acuminata. 
Sepalum superius lineari-lanceolatum, acutum, concavum. Pet- 
ala linearia, acuta, 1-nervia, margine cellulari-ciliato. Labellum 
ad basim rotundatum, lingulatum ab medio, vel lingulatum, pars 
inferior explanata suborbicularis ; ad basim bicallosum. Colum- 
na brevis, ad apicem bifurcata. 
Rhizome comparatively stout, copiously rooted. Pseudobulbs 0. 
Leaves long petiolate, oblanceolate, coriaceous, tapering abruptly 
