118 MESSRS. BAKER, MOORE, RENDLE, RIDLEY AND WERNHAM. 



] cm. longi. Sepala oblonga lanceolata acuta 2 cm. longa 5 mm. lata. 

 Petala angiistiora lanceolata acuminata .2 mm. lata. Labellum 2 cm. 

 longum, lobis lateral ibus oblongis obtusis ; epichilio 1.5 cm. longo 

 obtuso, marginibus denticulatis. Labellum 2.2 cm. longum, lobis 

 lateralibus latis rotundatis denticulatis, epichilio oblongo-ovoideo 

 obtuso margine denticulato, nervis elevatis 3 a basi usque ad epichiliam' 

 currentibus processubus conicis elevatis in seriebus 2 vel pluribus. 

 Columna arcuata, clinandrium margine brevi bilobo rotundato. 

 A nth era conica. 



Langbian Peaks, 6,500 to 7,500 ft. " White, lip blotched 

 orange and yellow." 



17. Sigmatogyne Pantlingii Ph'tzer. 



Langbian Peaks, 6,500 ft. "Flowers pinkish yellow. Leaves 

 bronze green, bulbs yellowish. Leaves and bulbs green." 



Distrib. Assam. Also collected by Micholitz on Langbian. 



In the original drawings of this plant 3 small calli are 

 shown on the lip, the middle one very small and nearer the base. 

 This middle one does not occur in Kloss's specimens which otherwise 

 exactly resemble the type. 



18. Pholidota convallarle Hook. fil. 

 Langbian Peaks, 7,000 ft. "White." 



Distrib. Khasiya, Tenasserim. 



Zetagyne Ridl. gen. now 



Pseudobulbi globosi ; approximate Folia synanthia 2 lineari- 

 lanceolata, vaginis ad basin ovatis coriacies. Scapus gracilis brevis. 

 Bractene cymbiformes persistentes. F lores mediocres, pauci. Sepala 

 lanceolata acuminata carinata. Petala angustiora. Labellum 

 integrum late lanceolatum basi saccatum gibbosum, nervis 3 elevatis. 

 Columna breviuscula sigmoidea, basi incrassata, margine clinandrii 

 elevato oblongo truncata. Anthera, lata ovata rotunda. Rostellum 

 latum crassum rotundatum. Stigma, magnum margine crasse dilatato. 

 Species 1. 



19. Zetagyne albifloka Ridl., sp. nov. 

 Pseudobidbus 2 cm. longus, caules foliacei 1.5 cm. bracteis 



ovatis nervosis. Folia 3 cm. longa .5 cm. lata subobtusa, basi in 



JOURX. NAT. HIST. SOC. SIAM. 



