ORCHIDACE.^ 



42. ACRIOPSIS Beinw. ex Bl. 



Four species of this genus have been found previously in Borneo, 

 but none from Mount Kinabalu. 



1. Acriopsis indica Jrigkt Ic. 5 (1852) 1. 1748,/ 1. 



Kinabalu, Haslam, July-August 1916. 



43. THECOSTELE Reichb.f. 



Two members of this genus are recorded from Borneo, but none 

 previously from Mount Kinabalu. 



l.Thecostele alata {Roxb.) Par. <^ Reichb.f. in Trans. Linn. 

 Soc. 30 (1874) 144, t. 29. Cymbidium alatum Roxb. Fl. Ind. 3 

 (1832) 459. Thecostele ZoUingeri Reichb.f. in Bonpl. 5 (1857) 37. 

 Kinabalu, Clemens^ November-December, 1915. 



2. Thecostele Maingayi Hook.f Fl. Brit. Ind. 6 (1890) 20. 

 The Bornean collection shows one pseudobulb larger than the 



type, one leaf up to 21 cm. long and 3.8 cm. wide and the lip 

 bearing distinctly lamelliform keels between the lateral lobes. 

 Kinabalu, Clement'}, October 1915. Terrestrial. Flower white. 



44. THRIXSPERMUM Lour. 



Sixteen members of this genus had been reported from Borneo, 

 but none from Mount Kinabalu. 



I. Thrixspermum crescentiforme A. &^ S.sp. nov. Herba 

 nana. Caulis gracilis ramis nonnullis, vaginis foliorum omnino 

 obtectus. Folia numerosa, disticha, patentia, lineari-oblonga, 

 acuta, ad basim complicatam angustata, coriacea. Pedunculi 

 patentes vel reflexi, folia subaequales, filiformes, vaginas folio- 

 rum perforantes. Racemus perbrevis. Bracteae inflorescentiae 

 densae, deflexae, triangulares, cymbiformes, rigidae. Flos parvus, 

 in sicco pellucidus. Sepala lateralia obovata, acuta, obliqua. Se- 

 palum dorsale obovato-oblongum, apice late rotundatum. Petala 



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