ORCHIDACEM 51 



long, about 2 mm. wide, somewhat carinate along the median line. 

 Ldbellum about 4 mm. long, 3-lobed; lateral lobes triangular, 

 acute; middle lobe 3 mm. long, subcordate or cordate-sagittate, 

 cucullate at the tip. 



This species is well illustrated in Blume's Flora of Java, plates 

 13 and 17, D. 



Terrestrial in humid forest on ridges at 1000 ft. alt. along the 

 Binabay River, Mindoro, November 2, 1906, Merrill (no. 5810). 

 — Terrestrial in ridge-forest at 2000 ft. alt. on Mt. Halcon, 

 November 10, 1906, Merrill (no. 5811). 



Java, Perak, Pahang, Singapore. 



DIDYMOPLEXIS Griff. 



D. PALLENS Griffith Calcutt. Journ. Nat. Hist. 4 : 383, t. 17 

 (1844) ; Kurz in Seem. Journ. Bot. 4 : 40 (1866) (excl. syns. Epi- 

 phanes and Gastrodia) ; Hemsley Journ. Linn. Soc. 20 : 308-311, 

 t. 28 (1884); Hooker f. Fl. Br. Ind. 6: 122; Ridley Journ. Linn. 

 Soc. 32: 408 (1896); Rolfe Journ. Linn. Soc. 36: 47 (1903); 

 J. J. Smith Ic. Bog. vol. 2, fasc. 1, p. 5, t. 101, B, and Orch. 

 Java 77. — Epiphanes pollens Reichb. f . in Seem. Fl. Vit. 296 

 (1868). 



" Perianthium ima basi monophyllum, ringens; labium supe- 

 rius fornicatum, trilobum, inferius bilobum (medio reflexum). 

 Ldbellum inclusum, cucullatum, cum pede columnae articulatum, 

 fun do cristatum, lobo centrali obsoleto. Columna basi producta, 

 apice dilatata et utrinque auriculata. Rostellum prominens, tri- 

 angulare, truncatum. Herba pallida, aphylla, spithamaea, squamis 

 loco foliorum instructa. Flores albi, inconspicui. Hab. — Prope 

 caespites Bambusarum, Calcutta, Serampore." — Griffith, I. c. 



A slender saprophyte, 6-20 cm. high. Tubers large, often seri- 

 ally arranged, 1-3 cm. long, 5-10 mm. thick. Stem leafless, bear- 



