59, 1 Ames and Quisumbing: Philippine Orchids, VI 5 
Genus PLOCOGLOTTIS Blume 
PLOCOGLOTTIS LUCBANENSIS Ames. Plate 1, figs. 7 and 8; Plate 2, figs. 9 to 20. 
Plocoglottis lucbanensis AMES in Elm. Leafl. Philip. Bot. 5 (1912) 
1572, Orch. 5 (1915) 100, in Merr. Enum. Philip. Fl. Pl. 1 (1924) 
338. 
“Herba terestris. Caules subcaespitosi, purpurei, ad basim incrassati, 
fibris elongatis ornati, monophylli. Folium oblongi-lanceolatum, acutum, 
acuminatum ad basim attenuatum, circiter 3.8 dm. longum, usque ad 3.5 
em. latum in petiolum gracilem elongatum contractum distincte 5-nervium. 
Scapi aphylli a basi caulium laterales, longi, erecti, circiter 6 dm. longi, 
vaginati, pubescentes. Racemi abbreviati. Bracteae inflorescentiae lan- 
ceolatae, acutae, pubescentes, + 5 mm. longae. Pedicellus cum ovario 
circiter 1.2 cm. longus, pubescens. Flores atro-flavidi, purpureo-maculati, 
pubescentes. Sepala lateralia crassa 12 mm. longa, acuta, ad apicem sub- 
cucullata, oblongi-lanceolata, extus pubescentia, 5-nervia. Sepalum pos- 
ticum oblongum, obtusum. Petala 11 mm. longa, linearia, falcata, ad api- 
cem sensim dilatata et incrassata. Labellum crassum 8 mm, longum, 
circiter 4 mm. latum, ad apicem in apiculo productum. Apiculus valde 
deflexus, recurvatus. Columna scabrata. 
“Aside from a slight thickening of the nerves the labellum appears to 
be ecallose. 
“T,uZON, Province of Tayabas, Lucban, May, 1907, A. D. E. Elmer, 7707. 
“Small tufted terrestrial herbs in damp soil of wooded ravines at 2,750 
feet altitude. Pseudobulbs and stems conspicuously purple; leaves sub- 
membranaceous; buds whitish; flower dull yellow, spotted with purple. 
Rare!”—AmgEs in Elm. Leafl. Philip. Bot. 5 (1912) 1572. 
BABUYAN ISLANDS (CAMIGUIN ISLAND), Bur. Sci. 4147 Fenix, 
July 16, 1907. Luzon, Benguet Subprovince, Baguio, Phil. Nat. 
Herb. 50 Mrs. K. B. Day, May 21, 1934: Laguna Province, For. 
Bur. 28939 Willie and Salvoza: Tayabas Province, Lucban, El- 
mer 7707 (type), May, 1907: Sorsogon Province, Irosin, Mount 
Bulusan, Elmer 17123, September, 1916. 
The peduncles are purplish; sepals and petals light cadmium 
and spotted with nopal red; labellum pinard yellow; column pi- 
nard yellow at apex and white at base; pedicellate ovary white. 
Genus DENDROBIUM Swartz 
DENDROBIUM BUKIDNONENSE Ames and Quis. sp. nov. Plate 1, figs. 5 and 6; Plate 
3, figs. 1 to 7; Plate 9, fig. 1. 
Caules aggregati, 23.5 ad 50 cm longi, basi ovoideo-incrassati, 
supra attenuati. Folia disticha, linearia, obtusa, 4 ad 7 cm 
longa, 3 ad 4 mm lata. Racemi breves; flores singuli succe- 
danei, circiter 1.4 cm dimetiente. Sepala lateralia late triangu- 
laria, apice rotundato subacuta, 6.5 ad 8 mm longa, circiter 15.6 
mm secundum columnae pedem lata, 6- to 7-nervia. Sepalum 
