Aw.es and Quisumbing: Philippine Orchids 
373 
44, 4 
collected in Floridablanca, Pampanga Province, hanging on 
trees, at medium altitudes. The leaves appear about December. 
This variety differs conspicuously from Dendrobium chame¬ 
leon Ames in its ovate labellum and in the color of its flowers. 
Forma ALBA forma nov. 
Species similis differt floribus colorem. 
Luzon, Manila, Bureau of Science orchid house, Bur. Sci. 
77227a Quisumbing, August 16, 1929. Living plants from Flo¬ 
ridablanca, Pampanga Province, hanging on trees, at medium 
altitudes. 
This form is identical with the species in every respect ex¬ 
cept that the flowers are pure white with a cream-colored spur. 
dendrobium miyasakii sd. nov. Plates 1, 4, and 9. 
Species D. victoriae-reginae Loher afhnis, floribus multo ma- 
joribus differt. Caules sulcati, pauci et gracile, superne pau- 
ciramosi, usque ad 75 cm alti, 4 mm in diametro, internodia 
plerumque 1 ad 4.5 cm longa. Folia lineari-lanceolata, acuta, 
6 ad 8.5 cm longa, 0.5 ad 1.1 cm lata, subcoriacea, in basi am- 
plectentia. Pedunculus circiter 5 mm longus. Flores singuli, 
4 ad 5.5 cm longi, 4 ad 5.5 cm lati; ovarium cum pedicello 
tenue, 2.5 ad 3 cm longum. Sepalum dorsale oblongo-lanceo- 
latum, obtusum, 2.3 ad 2.5 cm longum, 0.9 ad 1.1 cm latum. 
Sepala lateralia triangulari-lanceolata, obtusa, in mentum ob¬ 
tusum producta, 4.2 ad 4.5 cm longa, 1.3 ad 1.4 cm lata; mentum 
2.1 ad 2.4 cm longum. Petala elliptica vel elliptico-ovata, obtusa 
vel rotundata vel leviter retusa, 2.1 ad 3 cm longa, 1.4 ad 1.8 
cm lata, margine anteriore minutissime crenulato. Labellum 
simplex, breviter unguiculatum, e basi cuneata, obovatum vel 
oblanceolatum, 3.5 ad 4.3 cm longum, antice dilatatum, 1.6 ad 
2.5 cm latum, in apice retusum. Gynostemium lobulatum. 
Stems erect, sulcate, few and slender, up to 75 cm high, 4 
mm in diameter, dark purple; branches few, rooting at the 
nodes, greenish, about 2 mm in diameter. Leaves linear-lance¬ 
olate, acute, 6 to 8.5 cm long, 0.5 to 1.1 cm wide, the uppermost 
ones about 2.5 cm long, subcoriaceous when dry, clasping at base. 
Peduncles about 5 mm long. Flowers solitary at the end of the 
branches, pendulous, not fragrant, 4 to 5.5 cm long, 4 to 5.5 
cm across; pedicellate ovary slender, 2.5 to 3 cm long. Sepals 
white, suffused with mallow pink half way to the apex. Dorsal 
sepal oblong-lanceolate, obtuse, 2.3 to 2.5 cm long, 0.9 to 1.1 cm 
wide. Lateral sepals triangular-lanceolate, obtuse, with the spur 
