ORCHIDACE^ 



acea, pedunculus terminalis; bracteae florum sub anthesi de- 

 ciduae; flores racemosi; capsula trialata. 



A genus which is alUed with Coelogyne Lindl. through the 

 PhiUppine C. bilamellata Lindl. The hippocrepiibrm callus and 

 the sac of the three-lobed labellum are differentiating characters. 



I. Nabaluia Clemensii Ames sp. nov. Radices crassae, ramo- 

 sae. Pseudobulbi leviter tetragoni, subcylindracei, leviter com- 

 pressi, statu juvenilivaginis magnis cymbiformibus tecti,diphylli, 

 in sicco flavescentes. Folia petiolata, anguste oblongo-elliptica, 

 coriacea, prominenterquinquenervia,utrinque attenuata. Petiolus 

 sulcatus, rigidus. Pedunculus synanthus, folia adulta superans, 

 infra racemum nudus, squamis complanatis coriaceis imbricatis 

 ad basim inclusus. Bracteae inflorescentiae mox deciduae, glu- 

 maceae. Racemus laxus, elongatus, multiflorus. Flores distichi, 

 fusco-lutei. Sepala petalaque patentia. Sepala lateralia oblongo- 

 elliptica, acuta, valde concava, cymbiformia, carinata, ad apicem 

 cucullato-incrassata. Sepalum dorsale simile, valde concavum, 

 vix carinatum. Petala anguste oblonga, obtusa, trinervia. Label- 

 lum trilobatum, elongatum, ad basim in saccum productum; lobi 

 laterales prope basim labelli, anguste oblongi, obtusi, porrecti; 

 lobus medius ex isthmo distincto valde dilatatus, ad apicem re- 

 tusus, apiculatus. Callus incrassatus, erectus, hippocrepiformis. 

 Gynostemium elongatum, ad apicem in alam lobulatam dilata- 

 tum. Rostellum emarginatum. 



Roots thick, coarse, branched, 2-3 mm. in diameter. Pseudo- 

 bulbs erect, ±Q.5 cm. long, ±1 cm. in diameter, somewhat cylin- 

 draceous, apparently tetragonal, diphyllous, somewhat flattened, 

 yellowish in dried specimens. Leaves including the petiole 14- 

 15 cm. long, about 2 cm. wide, acute, coriaceous, prominently 

 five-nerved, the middle nerve especially prominent. Petiole about 

 5 cm. long, rigid, sulcate. Peduncle ±2 dm. long, erect from the 



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