198 Materials for a Flora of the Malayan Peninsula. 



wide sheaths hardly ;} inch long truncate the angles prolonged into 

 setaceous points. Capitulum terminal of numerous brown crowded 

 bracts. Flowers small white. Sepals ovate lanceolate acute mentuni 

 rather long obtuse. Petals narrow linear. Lip base oblong rounded, 

 limb ovate orbicular with a yellow transversely oblong callus at its 

 base. Column stout, foot long, arms erect broad incurved pink. 

 Anther ovate cordate. Pollinia 8 narrow clubl)ed attached to a 

 circular disc. Eostellum long obtuse entire. Capsule sessile cylin- 

 dric -^ inch long. Appcndicula callosa, Bl. Biidr. p. \W'.\. Lindl, Orch. 

 PI. p. 230. Miq. Fl. Ind. Bat. HI. 704. Gritf.'Calc .Tourn. Nat. Hist. 

 V. p. 363. t. 62. Echb. til. Ot. Hamb. p. 45. Hook. lil. Fl. Brit. Ind. 

 YI. 83. Kidl. Journ. Linn. Soc. XXXIL 388. A. stipulata, Griil'. 

 Xotul. III. p. 358. Ic. PL As. t. 335. fig. IT. 



Singapoie : Sumbawang, Bukit Timah (Pidley) ; Johor: Kwala 

 Kahang (Kelsall), (Ridley 4039); Pahang: Tahan Kiver (Ridley); 

 Malacca, Mount Ophir (Ridley) ; Sungei IJjong; Perak : Larut Hills 

 (Ridley), (Scortechini) ; Penang: Government Hill (Curtis 358). 

 Distrib. Tenasserim, Sumatra, Java, Borneo, Celebes. The com- 

 monest species growing on rocks or trees. 



17. P. Hassklti, Schlechter I.e. 62. Stems three feet long pen- 

 dulous flattened. Leaves oblong obtuse base broad apices rounded 

 bilobed, '} inch long and half as wide, sheaths \ inch long truncate. 

 FloMcrs white crowded in a tei-minal head of many bracts ^ inch 

 long. Sepals ovate subacute laterals wider. Petals lorate subobtuse 

 smaller. Lip sigmoid 3 ]ol)ed, margins adiiate to column edge, side 

 lobes rounded midlobe longer crisped concave, a callus running longi- 

 tudinally from the base to the midlobe. Column short, foot slender 

 arms long erect. Capsule sessile ol)long ^ inch long. Appendxcida 

 IIassrJti/B\. Bijdr. p. 304. Lindl. Orch. PI. 230. Miq. Fl. Ind. Bat. 

 HI. 704. .4. elongaio, Ridl. Trans. Linn. Soc. 11. 375. 



Pahang on trees over the Tahan River (Ridley 2371). Distrib. 

 Java. 



61. Thelasir, Bl. 



Epiphytes with subglobose pscudobulbs on a shorter or long 

 rhizome. Leaves one or two, the lower one being more or less 

 develojjed, ligulate, fleshy, obtuse. Scape from the base of the 

 pseudobulb Itearing a slioi't or long raceme or spike. Flowers very 

 small greeni.-li y(41ow. j)erianth connivent. Sepals laneeolate, petals 

 slightly smaller. \a\) ovate lanceolate entire witli no eallus. Column 

 short rostellum long acuminate bifid. Anther lanceolate. Pollinia 

 4 to 6 glol)ose on a slender caiulicle. Capsule snuill fusiform. 



Species 6. Indian and Malayan. 



Raieme slioit crowded. 



Pseudobulbs crowded, rhizome short . . 1. Th. elongaia. 



