200 



ORCHIDACEM 



3 mm. longa, mentum verum formantia, lanceolata, acuta. Se- 

 palum dorsale ovatum, 1.5 mm. longum, 1 mm. latum. Petala 

 rotundato-elliptica, 1.5 mm. longa. Labellum spathulatum, 2.5 

 mm. longum, 1.25 mm. latum prope apicem. 



Mt. Santo Tomas, Prov. Benguet, northern Luzon, October 

 29, 1904, R. S. Williams (no. 1955, in hb. New York Botanical 

 Garden). 



P. CAULESCENS sp. nov. Species conspicua caule elongato 

 folioso. Caules 4-17 cm. longi, ascendentes vel erecti, ± 5 mm. 



in diametro. Folia disticha, lineari- 

 oblonga, obtusa, coriacea, 3.5-6 cm. 

 longa, 5-8 mm. lata. Inflorescentiw 

 in axillis foliorum. Flores comparate 

 magni, in racemo laxifloro, cylin- 

 draceo, ± 6 cm. longo. Infra flores 

 peduncidus gerit bracteas duas vel 

 plures laxe vaginantes, oblique trun- 

 catas, acutas, scariosas. Bracteai inflo' 

 rescentiai sequantes vel superantes 

 flores, lanceolatae, obtusae, ± 4 mm. 

 longa?. Flores 3-4 mm. distantes. 

 Sepala lateralia ovata, acuminata, 

 2.5 mm. longa, 1.3 mm. lata. Sepalum 

 dorsale anguste lanceolatum, obtusum, 

 2 mm. longum, 1 mm. latum. Petala 

 ovato-oblonga, truncata, et obtuse apiculata ad apicem, 2 mm. 

 longa, ± 1 mm. lata. Labellum breviter unguiculatum, 2.5 mm. 

 longum ; lamina suborbicularis, concava, 2 mm. longa, 2 mm. lata, 

 valde obscure apiculata. Columna 1 mm. longa. 



This species is unlike all others of the genus from the Philip- 

 pines, in its elongated stems. From herbarium specimens it would 

 seem that the racemes are produced in succession along the stem 

 from year to year, vestiges of peduncles remaining. 



Phkeatia cattlescens 



