192 Maicr'wh for a Flora of the Malayan Peninsula. 



Callus square 



Callus hooked 



Callus conic. Leaves thick shining 



Leaves oblong, close 



Flowers hairy 



Lip with no callus. 

 Stem short stout, leaves oblong . . . . . . 12. P. refiexa. 



Stem tall. 



Lip oblong pandurate . . . . . . 13. P. pendula. 



Lip cuncate apex trilobed . . . . . . 14. P. lancifolia. 



Inflorescence a terminal head. 



Bracts larger than flowers distichous . . 15. P. torta. 



Bracts numerous forming a tuft. 

 Stems short erect.. .. .. .. .. 16. P. callosa. 



Stems very long, pendulous . . . . . . 17. P. Hasselti. 



§ 1. Apista. 



1. P. TENUIS, Lindl. Orch. PI. p. 235. A slender tufted moss 

 like plant, stems often branched 3-12 inches long. Leaves linear 

 acute I inch long sheatbs shorter. Eacemes subterminal very short 

 flowers minute white. Upper sepal ovate obtuse, laterals larger 

 oblique, mentum. Petals oblong ligulate obtuse. Lip oblong obtuse 

 concave. Column short foot long. Anther ovate cordate. Pollinia 

 lanceolate compressed attached to two separate discs, rostelum 3 lobed. 

 Miq. Fl. Lid. Hot. IIL G8T. Schlechter Monot-raphie der Podochi- 

 linae p. 12. P. aclcularis. Hook. hi. Fl. Brit. Ind. W. p. 82. Ic. 1*1. 

 21-i;. 



Pahang: Tahan liiver (Iiidlev) ; Selangor: Pahang Track (Rid- 

 ley 8463) ; Perak: Sungei Pavah ^(Kunstler 982), Larut Hills (Rid- 

 ley), (Wrav 2916); Bujong' Malacca (Ridley 9825), (Scortechiui 

 1298); Kedah: (Umong Jerai (Ridley); Penang (Maingay), (Kid- 

 ley). Distrib. Java. On wet mossy trees and rocks. 



2. P. sciUROiDES, Rchb. fll. Bonplandia V. p. 41. A slender 

 much branched plant, stems 4 to 8 inches long tufted and often form- 

 ing large mats roots thicker than the stem. Leaves oblong elliptic ^ 

 inch long mucronate. Racemes or panicles subterminal hardly | inch 

 long, slender. Flowers very small white. Bracts ovate half as long 

 as the ovary. Sej)als ovate, laterals ol)lique, mentum bilobed broad 

 blunt. Petals nearly as long and broader very blunt, with a median 

 violet line. Lip oblong apex blunt decurved, no calli. Column short. 

 Anther lanceohite acute, pollinia 6 elongate pyriform, caudicle soli- 

 tary, disc ovoid minute red. L'ostellum triangular lanceolate minutely 



