ORCHIDACE^ 11 



nate anther, and by its looser inflorescence. The lip is scarcely 

 retuse on each side of the prominent apicule, while at base the 

 lateral thickenings, which seem to be accentuated by indentations 

 from below, are sometimes obscure. According to field notes the 

 flowers are yeUowish red. They appear one or two at a time. 



GEOGRAPHICAL DISTRIBUTION 

 I have seen specimens from the following locality : 

 Philippine Islands : " forming colonies on trees," Mt. Santo 

 Tomas, Prov. Benguet, Luzon, July 1, 1904, A. D. E. Elmer 

 (no. 6553). 



CESTICHIS MERRILLI 



Cestichis Merrilli, sp. nov. Rhizoma diu repens. Pseudo- 

 bulbi pyriformes remoti. Folium oblongum, acutum. Peduncu- 

 lus bialatus. Flores aurantiaci. Sepala ovato-lanceolata, acuta. 

 Petala linearia, subacuta. Labellum cuneato-obovatum, margine 

 minutissime crenulato, cuspide medio brevi, ad basim callo cucul- 

 lato. Columna breviuscula, incrassata. Anthera antice emargi- 

 nata. Capsula elliptica. 



Roots fibrous. Pseudobulbs 5 mm. long, 2-5 cm. apart, mono- 

 phyllous. Rhizome 3 mm. thick. Leaves 20-27 cm. long, 1.5-2 

 cm. wide, narrowly oblong, attenuated at both ends, acute, decid- 

 uous, articulated, with an elongated persistent base. Peduncle as 

 long as, or shorter than, the leaves, ebracteate, compressed, strongly 

 winged. Floral bracts distichous, approximate, conduplicate, cari- 

 nate, about 8 mm. long. Flowers orange-yellow. Pedicels about 

 1 cm. long, slender. Upper sepal ovate-lanceolate, acute, 6.5 mm. 

 long. Lateral sepals similar. Petals linear, sub-acute, 1-nerved, 

 about 6 mm. long, less than half as broad as the sepals. Lip cune- 

 ate-obovate, margin somewhat crenulate, emarginate or 2-lobed 

 at the apex, with a terminal obtuse cusp ; near the base on each 

 side an erect rounded caUus intramarginaUy situated, and poste- 



