NOTES ON PHILIPPINE ORCHIDS, II. 676 



THELASIS Blume. 



Thelasis obtusa Blume Bijdr. (1825) ."{SO. 



I refer to this species the material collected by Leiberg on Mount Mariveles. 

 Luzon. This material lias monophylloua pseudobulba which are much shrivelled 

 in the (hied state. They appear to have been globular when alive. The general 

 habit of the plants recalls T. capitata Bl. but the raceme is elongated, slightly 

 less than 4 cm long, and comparatively lax. The labellum is somewhat saccate 

 and has a minute crest along the median line. Schlechter regards T. obtuaa 

 as closely related to T. maerobulbon Ridl., from which it differs in part through 

 its monophylloua pseudobulbs. T. maerobulbon is diphyllous. 



In the herbarium of the Bureau of Science there are four flowering scapes of 

 a species of Thelasis. presumably from .lava, which J. J. Smith has identified as 



T. obttisa Bl. 1 have compared l.eihcrg's specimens with these and I find that 

 the floral parts are in almost perfect agreement. 



T. obtusa has not been reported, heretofore, as native to the Philippines. 



Luzon, Province of Bataan, Mount Mariveles. ./. It. Leiberg 6046, duly 20, 

 1904, epiphytic, altitude about 900 m. 



SACCOLABIUM Blume. 



Saccolabium chionanthum Lindl. Journ. Linn. Soe. Hot. 3 ( 1859) 35. 



I follow the authority of J. J. Smith in referring to this species 8. perpusillum 

 Hook. f. The material from the Philippines which 1 have studied is in almost 

 perfect agreement with the illustration published in Hooker's "Icones Plantarum" 

 (pi. 2120). The flowers are not so pubescent as shown in Hooker's plate, but 

 are papillose. Ridley states that the flowers when alive arc hardly pubescent 

 and are rather minutely papillose. J lis observations in regard to this character 

 convince me that Hooker's illustration may exaggerate it. 



The sepals and petals of the Philippine specimens agree perfectly with the 

 figures published by Hooker (although they are very obscurely ciliolate on the 

 margin). The labellum terminates in the same kind of a fleshy apex and at 

 the base produces the same kind of a serotiform sac as shown by Hooker. The 

 structure of the column in Hooker's plate agrees with my material. 



in general habit Baocolabium chionanthutn suggests Phreai in parvula, and 

 unless carefully examined might readily be confused with it when dried. 



Luzon, Province of Rizal, Bur, Be*. 8055 Ramos, November 14. 1!)07. (lowers 

 small, white. 



Java, Sumatra, Singapore. 



TRICHOGLOTTIS Blume. 

 Trichoglottis latisepala sp. nov. 



Gavlis tenuis, snbflaccidus, elongatus, plus minus 3 dm Longus, 3.4 

 mm in diametro. Vaginae 1.5 ad 1.7 cm longae. Folia lineari-lan- 

 ceolata, acuta, T ad 12 cm longa, 7 ad 10 mm lata, coriacea. Pedum uli 

 pauciflori. Flore* parvuli. Sepala lateraiia 5 mm longa, subbipartita, 

 vol biloba; laeinia posterior 4 nun longa, obtusa, lacinia anterior similis 

 sed angustior et subbrevior, 2 mm longa. Scpnlum dorsale oblongum, 

 obtusmn, 3-nervium, 6 mm longum. Petala oblonga, subspatbulata, 

 obtusa, 5 mm longa. 2 mm lata. Labellum 3-lobatum, lobi laterales 



