ORCHIDACEiE 



Panay, Patolan, W. S. Lyon 159. Flowers produced in December. Plants 

 climbing over bushes. Labellum cinnabar red. Sepals and petals yellow. 



10. Thrixspermum Vanoverberghii Ames in Phil. Journ. Sci. 

 8 : 438. 



Luzon. 



11. Thrixspermum Wenzelii sp. nov. Herba epiphytica 6 cm. 

 usque ad 3 dm. longa, polyphylla, racemis numerosis, pendula. 

 Caules radicantes usque ad apicem ± 3 mm. in diametro, basibus 

 foliorum obtecti. Internodia circiter 1 cm. longa. Folia disticha, 

 valde coriacea, ad apicem inaequaliter bilobata cum mucro inter 

 lobos, lamina oblonga, ad basim leviter attenuata, prope apicem 

 rotundata, ± 6 cm. longa, circiter 8 mm. lata. Pedunculi gla- 

 bri, librati, folia aequantes vel suba?quantes, usque ad 5.5 cm. 

 longi, rigidi, infra racemum uni-bibracteati, bracteis arete adpres- 

 sis, tubularibus. Racemus usque ad 3 cm. longus. Rhachis incras- 

 satus cum bracteis clavatus. Bractese flores subtendentes squami- 

 formes, triangulares, rigidge, 2 mm. longas quam pedicellus cum 

 ovario multo breviores. Flores flavidi, purpureo-maculati, suc- 

 cedanei, circiter 1 cm. longi, membranacei. Pedicellus cum ova- 

 rio circiter 5 mm. longus, gracilis. Sepala lateralia lanceolata, 

 acuta, 7 mm. longa, 3 mm. lata. Sepalum dorsale simile. Petala 

 spathulata, obtusa, 7 mm. longa, supra medium 2.5 mm. lata. 

 Labellum trilobatum, saccatum; lobi laterales rotundati, margo 

 glanduloso-pubescentes. Lobus medius 2.5 mm. longus, 1.5 mm. 

 latus, glanduloso-pubescens. Ad basim lobi medii callus squami- 

 formis stat. Saccus obtusus, 4 mm. longus. Gynostemium 2 mm. 

 longum. Capsula ± 6 cm. longum. 



A near relative of Thrixspermum trichoglottis (Hook, f.) O. K. 

 but with a very different labellum. The flowers appear one at 

 a time in each raceme, and in dried specimens have the appear- 

 ance of being naturally ephemeral. 



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