244 ORCHIDACEM 



epichilio triangulo obtuso." — Reichenbach f., Gard. Chron. n. s. 

 17 : 588 (1882). 



Flowers 6-8 cm. across. Sepals obovate, obtuse, from a broad 

 base, 4.5-5 cm. long, up to 3 cm. across. Petals smaller than the 

 sepals and similar to them. Petals and upper sepal rose-madder, 

 the former spotted with purple on the lower margin near the 

 base ; lateral sepals rose-madder on the back, tawny (or greenish) 

 yellow in front, richly marked with branching purple veins and 

 irregular spots. Labellum ± 2 cm. long ; blade of the labellum 

 transversely oblong, dull brown-purple, with about 5 glossy, raised 

 keels, the middle one extending to the base ; the outer ones short- 

 est. Pedicels rose-madder. 



Philippine Islands, A. Loher (no. 6030). — Prov. Davao, Min- 

 danao, August, 1906, Rev. R. F. Black (no. 20). — Prov. Zam- 

 boanga, Mindanao, Feb. 11, 1904, E. A. Mearns. 



Endemic in Mindanao. 



Var. LABELLO-VIRIDI Linden & Rodigas Lindenia 1: 85, 

 t. 40 (1885). — Esmeralda Sanderiana var. labello-viridi Wil- 

 liams Orch. Gr. Man. ed. 7, 400 (1894). — Lip green, striped crim- 

 son. 



Var. ALBATA Reichb. f. Gard. Chron. ser. 3, 2: 9 (1887) and 

 Reichenbachia ser. 1, 2 : 29 (1889) ; l'Orchidophile 8 : 197 (1888). 

 — Esmeralda Sanderiana, var. albata Williams Orch. Gr. Man. 

 ed. 7, 400(1894). — Flowers smaller. Dorsal sepal and petals 

 white, purple-spotted at base. Lateral sepals yellow with white 

 margins. Disc of labellum purple-spotted ; hypochile yellow ; 

 epichile brown in whole or in part, with the apex papillose. 



Var. FROEBELIANA Cogniaux Diet. Icon, des Orch. Vanda t. 

 12 A (1903). — Flowers very large. Pedicels bright rose. Dorsal 

 sepal and petals tinted and marbled with rose, spotted on the lower 

 half with brown-purple. Lateral sepals yellowish, becoming rose 

 toward the borders, densely covered with large purple reticulated 

 veins. Terminal lobe of lip of a deep brownish purple. 



