122 



ORCHIDACEM 



a near ally of the present species, but the very different lateral 

 lobes at once distinguish it, while its broader flat leaves give no 

 room for confusion with D. luzonense. 



Trail to Balbalassan, alt. 1600 m., Distr. Lepanto, Luzon, 

 October-November, 1906, W. Klemme (no. 5735). 



MALAXIS Sw. 



M. ALAGENSIS comb. nov. — Microstylis alagensis Ames 

 Philippine Journ. Sci. (Bot.) 2: 318 (1907). 



Plant about 25 cm. tall, slender, leafy at the base. Leaves 

 lanceolate to ovate-lanceolate, acute, ± 7 cm. 

 long (sometimes those nearest the base much 

 reduced), ± 3 cm. wide. Flowers somewhat 

 congested near the summit of the elon- 

 gated peduncle. Bracts linear-lanceolate. 

 Lowermost flowers purple, those along the 

 middle of the spike yellowish. Lateral se- 

 pals suborbicular, 2 mm. long. Upper sepal 

 elliptic-oblong, obtuse, slightly longer than 

 the laterals. Petals linear-oblong, 2 mm. 

 long. Labellum simple, broadly crescenti- 

 form, 2 mm. long from its tip to base of the 

 column, with a callus near the base ; auricles 

 (which form the horns of the crescent) tri- 

 angular, acute or subobtuse, distant from each other. 



Terrestrial in humid forest at 400 ft. alt. along the Alag River, 

 fls. odorless, November 5, 1906, E. D. Merrill (no. 5801). — In 

 forests, Alag River, November, 1906, E. D. Merrill (no. 5807). 



Endemic. 



Malaxis alagensis 



M. EILOBA (Lindl.) comb. nov. — Microstylis biloba Lindley 

 in Wall. Cat. no. 1940 (1829) and Orch. PI. 20; Ridley Journ. 



