128 ORCHIDACEM 



Mt. Mariveles, Prov. Bataan, Luzon, August 8, 1904, E. D. 

 Merrill (no. 3885). 

 Java. 



M. HUTCHINSONIANA comb. nov. — Microstylis Hutchin- 

 soniana Ames Philippine Journ. Sci. (Bot.) 2 : 319 (1907). 



A species ■well characterized by the large, rotund, overlapping 

 auricles of the 3-lobed labellum. Plants ± 2 dm. tall. Leaves 

 ovate, acuminate, 4-6 cm. long, ± 2.5 cm. wide, petiolate, petioles 

 ± 2 cm. long. Peduncle graceful, exceeding 

 the leaves. Bracts linear, acute, the lower- 

 most 6 mm. long. Flowers comparatively 

 large, about 5 mm. across, pale purple, odor- 

 less (greenish when dry). Pedicels very slen- 

 der, 5-7 mm. long. Lateral sepals elliptical, 

 very obtuse, 3 mm. long, margin very strongly 

 revolute. Upper sepal 3.5 mm. long, some- 

 what narrower in relation to its length than 

 the lateral sepals. Petals linear, obtuse, about 

 Mauuos Hctch^nta>-a 3 mm. long. Labellum 3-lobed, lobes sub- 

 equal ; middle lobe broadly oblong, rounded 

 at the tip, very obtuse, 3.5 mm. long from tip to base of column, 

 about as broad as long ; lateral lobes rotund or subrenif orm, over- 

 lapping behind the column, 4 mm. long, 3 mm. wide. 



Terrestrial in forest at 2300 ft. alt. on Mt. Halcon, November 

 9, 1906, E. D. Merrill (no. 5809). 

 Endemic. 



M. MERRILLII comb. nov. — Microstylis Merrillii Ames 

 Philippine Jour. Sci. (Bot.) 2: 319 (1907). 



Distantly related to M. commelinifolia (Zoll.) Kuntze, from 

 which it is to be distinguished by the very different, larger leaves 

 and dissimilar flowers. Plants creeping, rooting at intervals, roots 



