ORCHIDACE.E 



Leyte, Jaro, C. A. Wenzel 0282, February 23, 1914. Terrestrial in for- 

 est. "Petals greenish, sepals white, labellum white. Leaf none." 



12. APHYLLORCHIS Bl 



Two species are natives of the Philippines. The genus contains 

 less than twenty valid species which are essentially East Indian 

 and Malayan. 



1. Aphyllorchis benguetensis Ames Orchidace^e 2 : 49. 

 Luzon, Mindanao. 



2. Aphyllorchis pallida Bl. Bijdr. 77. 



MlNDORO. 



Also Java, Perak, Pahang, and Singapore. 



13. EPIPOGUM Gmel. 



The genus is a small one, numbering about five valid species. 



I. Epipogum roseum {Don) Lindl. in Journ. Linn. Soc. 1 : 

 177. E. nutans Reichb.f. in Bonpl. 5 : 36. This species has been 

 found in Java, Ceylon, New Guinea, tropical India, and Australia. 



Luzon, Leyte, Mindanao, Negros. 



14. NERVILIA Comm. ex Gaudich. 



Four species have been collected in the Philippines. These are 

 referable to § Linervia, § Vinerlia, and § Eu-Nervilia. (Cf. Schlech- 

 ter in Engler's Bot. Jahrb. 45: 399-405.) 



I. Flower shoot always one-flowered, lengthening after an thesis, as in Cory- 

 bas. A. § Linervia. 



II. Flower shoot more than one-flowered, not lengthening after anthesis. 



a. Flowers usually in pairs. Rhachis abbreviated. B. § Vinerlia. 



b. Flowers usually three or more. Rhachis elongated. C. § Eu-Nervilia. 



A. § Linervia. 



Labellum fringed on the margin. N. erispata Schltr. 

 Labellum three-lobed, entire on the margin. N. dilatata Schltr. 



B. § Vinerlia. 



Labellum not conspicuously three-lobed, lobes rounded. N. discolor Schltr. 



C. § Eu-Nervilia. 



Labellum conspicuously three-lobed, disc hairy. N. Aragoana Gaudich. 

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