198 ROBINSON. 
Cryptostylis arachnites 731ume Orch. Ind. Arcbip. (1858) 133. 
Represented by 90!J7 ; otber Philippine distribution Laguna (?), Tayabas, 
Mindoro. 
Cystorchis javanica (Blume) Blunie Orch. Arcbip. Ind. (1858) 87; Ames in 
rhiHp. Journ. Sci. 6 (1911) I^ot. 39. 
Not otherwise known from the Philippines; 9282; Malay Peninsula. 
Dendrobium hymenanthum PtLiclib. f. in Bonplandia 3 (1855) 222. 
Otherwise definitely known only from Rizal, but the exact localities of 
Cuming's orchids are unknown; 10453, 56^7 (flowering in Manila, plants from 
Polillo). 
Luisia foxworthii Ames Orchidaceae 2 (1908) 222. 
Type locality Bataan; 9257 appears to be this species, but the material is 
not satisfactory. 
Malaxis dentata (Ames) Ames Orchidaceae 2 (1908) 125, fig. 
Otherwise known from Mindoro; 10//39. • 
Malaxis macgregorii Ames in Philip. Journ. Sci. 6 (1911) Bot 45. 
Endemic in Polillo; lOUO. 
Oberonia anceps Lindl. Sort. Orchid. (1838) sub pi 8 B. 
Ropn-cuted by 10-'f/,8j other Pliilippine distribution Tayabas and Culion. 
Oberonia thisbe Reichb. f. in Bonplandia 3 (1855) 223. 
Represented by 9255; otherwise definitely known from Guimaras. 
Plocoglottis copelandii Ames in Philip. Journ. Sci. 2 (1907) Bot. 326. 
Represented by 6863, lOJfoO; other distribution Laguna, Negros, and Mindoro. 
Podochilus xytriophorus (Reichb. f.) Schltr. in M6m. Herb. Boiss. 21 
(1900) 47. 
Represented by 68^8; other distribution Laguna, Mindoro, Mindanao, Borneo, 
Malay Peninsula. 
Th«lasis elongata Blume Mus. Bot. Lugd.-Bat. 2 (1856) 187. 
Represented by 02J,5; other distribution Camarines, Mindanao, Cagayan Sulu, 
Java. 
Thrixspermum pallidum (Blume) Reichb. f. Xenia Orchid. 2 (1867) 122. 
Represented by 10 W; other distribution Rizal, Mindanao, Basilan, Celebes, 
Amboina, Java,- Malay Peninsula. 
Other species: Cymlidhim finlaysonianum Lindl., 10460: Dendrohium atro- 
purpureum (Blume) Miq., 9086, 10458; D. crumenatum Sw., 10459; D. indivisum 
(Blume) Miq., 9253, 10U3, 10455: Qeodorum nutans (Presl) Ames, 104'H' 
Phalaenopsis Juddemanniana Reichb. f., 10437: Pholidota imhricaia Lindl., 10768: 
Podochilus mhranthus (Lindl.) Schltr., 9087, 10446: Thrixspermum sp., 10769: 
Trichoghttis sp., 10451, Nine collections remain to be determined. 
CASUAHIISrACEAE. 
Represented by the common Casuarina equisetifolia Forst, 6086, 10357, local 
name aguhd. 
