ORCHIDACEiE 



regarding it. From C. brachystachysSchltr., with which it is closely 

 allied, it differs chiefly in habit. The flowers of the two species are 

 somewhat similar. There are differences in the labellum. 

 Leyte, C. A. Wenzel 0110 A, March 8, 1913. 



75. THRIXSPERMUM Lour. 



Eleven species, all but two of which are endemic, have been found 

 natives of the Philippine Islands. The flowers are produced one 

 or two at a time and are of brief duration. 



1. Thrixspermum acuminatissimum Reichb. f. Xen. Orch. 2 : 



121. T. notabile Ridl in Journ. Linn. Soc. 32 : 379. Dendrocolla 



acuminatissima Bl. Bijdr. 288. Aerides acuminatissimum Lindl. 



Gen. & Sp. Orch. 240. Sarcochilus acuminatissimus Reichb. f. in 



Walp. Ann. 6 : 498. S. notabilis Hook.f. Fl. Brit. Ind. 6 : 42; 



Ic. PI. t. 2126. 1 refer to this species several specimens from the 



island of Leyte and one from Laguna Province, Luzon, which 



agree satisfactorily with the material of T. acuminatissivium that 



I have examined. 



Leyte, Dagami, C. A. Wenzel 0101, May 27, 1913. On trees at medium 

 height, forested foothills, 60 meters above sea level. Height of plant 12 

 cm. Flower white, yellow, and brown. From dried material the flowers 

 appear to have been yellowish or whitish when fresh, with small but con- 

 spicuous brownish spots on the labellum. Luzon, Laguna Province, Juan 

 Reillo 56, July 1, 1912; San Antonio, Laguna Province, M. Ramos Bur. 

 Set. 16560, September to October, 1912 (specimen in fruit, no flowers). 

 Ramos Bur. Sci. 20^7, February, 1913; Ramos Bur. Sci. 20455, Feb- 

 ruary, 1913. 



2. Thrixspermum {^Dendrocolla) agusanense sp. nov. Caules 

 elongati, dense foliosi, rigidi, foliis approximatis. Folia oblonga, 

 ad basim fastigata, ad apicem inasqualiter et obtuse biloba, brevi- 

 ter mucronata ± 5 cm. longa, circiter 1.5 cm. lata, valde coriacea, 

 in sicco rugosa, oblique ascendentia, inter se 5 mm. distantia, va- 

 ginis persistentibus caulem obtegentibus. Pedunculus valde elon- 



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