454 
The Philippine Journal of Science 
1933 
lobes of the labellum are oblong-ovate while the papilla on the 
front of the middle lobe is not so abrupt or prominent. 
Genus PHALAENOPSIS Blume 
PHALAENOPSIS EQUESTRIS <Schauer> Reichb. f. Tar. LEUCOTANTHE Reichb. f. Plate 
2, figs- 7 and 8; Plate 11, fig. 2. 
Phalaenopsis equestris (Schauer) Reichb. f. var. leucotanthe Reichb. f. 
in l’Orchidoph. 3 (1883) 490; Ames Orch. 2 (1908) 230, in Merr. 
Enum. Philip. FI. PI. 1 (1925) 414. 
The original description reads as follows: 
Les petales et les sepales sont blanc aussi pur que la neige. Le la- 
belle egalement blanc ponte quelques taches citron sur les lobes lateroux. 
Habit is similar to the species. Leaves oblong, elliptic-oblong 
or oblanceolate-oblong, 9 to 11 cm long, 4 to 5 cm wide, light 
green in color. Scape about 20 cm long, ascending, unbranched. 
Flowers about 1.4 cm across; pedicellate ovary about 2 cm 
long. Sepals oblong-lanceolate or ovate-lanceolate, obtuse, about 
1.4 cm long, 6 to 7 mm wide, the lateral ones asymmetric. Petals 
elliptic, obtuse, about 12.5 mm long, 7 mm wide. Labellum 
3-lobed; lateral lobes linear-spatulate, about 7 mm long, 2.5 
mm wide, incurved; middle lobe ovate, acute, about 12 mm long, 
7 mm wide. Column about 8 mm long. 
Luzon, Manila, Mrs. Remedios C. Gonzales’s gardens, Bur. 
Sci. 85571 Eduardo Quisumbing, October 30, 1931. The living 
plants were collected in the mountains of Rizal Province, near 
Antipolo. 
Peduncles chrysolite green. Buds chartreuse yellow. Se¬ 
pals and petals pure white or white with very faint line of pale 
rose-purple at the center. Column white at the base, apex pale 
rose-purple. Lateral lobes of the labellum white with the base 
suffused with amber yellow or citron, the apex sometimes slightly 
suffused with pale rose-purple; middle lobe white with honey 
yellow at the base or white tipped with pale rose-purple. Callus 
at base of middle lobe empire yellow and dotted with red. 
The variety differs from the species in the color of the pe¬ 
duncles, floral buds, and flowers. 
PHALAENOPSIS MICHOLITZII Rolfe. Plate 2, figs. 1 and 2; Plate 5, figs. 25 to 33; 
Plate 12, fig. 2. 
Phalaenopsis Micholitzii Rolfe in Gard. Chron. Ill 8 (1890) 1$7, in 
Journ. des Orch. 1 (1890) 198, in Orch. Rev. 13 (1905) 229; Ames 
Orch. 5 (1915) 217, in Merr. Enum. Philip. FI. PI. 1 (1925) 415. 
Since Phalaenopsis Micholitzii has never been adequately de¬ 
scribed, the following amplification is given. 
