J 
vni. c, 6 Ames: Notes on Philippine Orchids 437 
viusculae. Pedicellus glabrus, cum ovario 5-6 mm longus, gra- 
cilis. Flores albescentes. Sepala lateralia circiter 3 mm longa 
vel usque ad 4 mm longa, vix 2 mm lata, inaequaliter lanceolata, 
ad basim cuneata, supra medium attenuata, acuta, ad apicem 
incrassata vel subtus subcarinata prope apicem, 3-nervia. Sepa- 
lum dorsale quam lateralia multo angustius, oblongi-lanceolatum, 
concaviusculum, circiter 3.5 mm longum, vix 1.5 mm latum. 
Petala cuneato-spathulata, obtusa, sensim angustata usque ad 
basim, 3.5-4 mm longa, circiter 1 mm lata, Labellum unguicu- 
latum, protumidum, simile Sarcochilo emargin-ato Reichb. f . ; lobi 
laterales erecti, oblongi, obtusi, 1.5 mm longi, vix 1 mm lati, 
membranacei : columna crassa, circiter 1 mm longa. 
Mindanao, Prov. A^san, Butuan, C. M. Weber 139, June 3, 1911 
(Hh. Ames 12581). 
2. THRIXSPERMUM PHILIPPINENSE sp. nov. 
Herba epiphytica. Caulis abbreviatus, usque ad 2.5 cm longus. 
Folia coriacea, 6.5-15 cm longa, 1.5-2 cm lata, articulata, oblonga, 
vel oblongi-lanceolata, ad apicem valde et inaequaliter biloba, 
utrinque attenuata, saepe falcata, disticha, conferta, ±:7, vaginis 
persistentibus caulem obtegentibus. Pedunculi laterales foliis 
breviores, hispiduli, .±:7 cm longi, gracili, erecti, paucibracteati, 
bracteis tubularibus, vix 2 mm longis, superne dilatati et com- 
planati. Flores in racemo laxo paucifloro dispositi, circiter 2 
cm longi. Bracteae inflorescentiae rigidae, pedicellis breviores. 
Pedicellus, cum ovario, gracilis, vix 1.5 cm longus. Sepala late- 
ralia oblongi-lanceolata, acuta, 1 cm longa, 3.5 mm lata, ad basim- 
mentum brevem formantia. Sepalum dorsale oblongi-ellipticum 
1 cm longum vix 3 mm latum. Petala oblonga, obtusa, 9 mm 
longa, circiter 2 mm lata. Labellum pedi columnae affixum, pro- 
tumidum, 3-lobatum; lobi laterales erecti, petaloidei, oblongi, 
obtusi, 4 mm longi, 1.5 mm lati, vix 2 mm lati, ad basim lobi 
utriusque lateralis in margine interiore callus minutus vel papilla. 
Lobus medius dentiformis. Saccum protumidum 8 mm longum 
usque ad pedem columnae, obtusum, complanatum, Columna 
generis. Capsula elongata circiter 8 cm longa, in sicco ±2 mm 
in diametro. 
Luzon, Laguna Province, J. S. Serrato s. n., September, 1912. **Flowers 
whitish-yellow". 
The general form of the flower, especially of the labellum recalls 
Thrixspermum pallidum which is a larger species. 
From the material examined T. pkilippinense is rather common in Luzon, 
Outside of Luzon specimens from Mindanao, Mindoro and from the Island 
of Polillo have been identified. 
