ORCHIDACE^ 



In habit this plant suggests Sarcanthus koeteiensls (Schltr.) 



J. J. Sm., but the leaves of this species are much shorter and 



the flowers altogether different. 



KiAU, Clemens 67, November 1915. 3000 feet altitude. Flower yellow 

 with white column; Clemens 1G6 (Type), November 1915. 3000 feet alti- 

 tude. Flower orange with light yellow spur. Marei Parei Spur, Clemens 

 246, November 1915. "Flower green." 



51. SARCANTHUS LindL 



Of the ten species of this genus credited to Borneo, none were 



hitherto recorded from JNlount Kinabalu. 



I. Sarcanthus Merrillianus Ames sp. nov. Herba robusta. 

 Caules elongati, teretes. Folia linearia, disticha, crasse coriacea, 

 acuta. Pedunculi perbreves, oppositifolii. Bracteae inflorescentiae 

 squamiformes. Flores longipedicellati. Sepala lateralia obovato- 

 oblonga, obliqua, obtusa. Sepalum dorsale ovatum, apice late ro- 

 tundatum, valde concavum, apice minute denticulatum. Petala 

 oblongo-spathulata, apice late rotundata, ad apicem minute den- 

 ticulata. Labellum calcaratum, trilobatum ; lobi laterales erecti, 

 transverse oblongi, truncati*, lobusmedius triangularis, obtusus; 

 calcar conspicuum, cyhndraceum, apice rotundatum, intus in 

 pariete antico callo minuto et in pariete postico callo ligulato sur- 

 sum curvato instructum. Gynostemium crassum. 



Plant stout, apparently erect. Roots stout, rigid, fibrous, flex- 

 uous, longitudinally sulcate, branched, about 2-3 mm. thick. 

 Stems ±3 dm. tall, about 5 mm. thick, terete, entirely concealed 

 by the sheaths of the leaves. Leaf sheaths ±3 cm. long, tubular, 

 thickly coriaceous, rigid, striate-nervose and finely rugose with 

 transverse reticulations between the longitudinal nerves. Leaves 

 up to 2 dm. long, ±8 mm. wide, distichous, linear-ligulate tolinear- 

 lanceolate, acute, conduplicate at the base, very thickly coria- 

 ceous, apparently very fleshy in the living plant. Peduncles about 



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