226 Materials for a Flora of the Malayan Peninsula. 



Lip lobes broad, midlobe rctuso pink or 



white . . . . . . . . . . 3. 7/. rarnca. 



Lobes of lip very narrow linear. 



Upper sepal as long as the laterals . . 4. 5". Kingii. 



Upper sepal much shorter . . . . ;"). //. Mwioni. 

 Lip trifid. Spur short. Flowers small. 



Stem 4-5 feet tall . . . . . . (S. II. gigas. 



Stem under 3 feet. 



Lip shortly 3 lobed, white . . . . 7. //. laceriifera. 



Lip lobes linear green .. .. .. 8. II. moniicola. 



Petals bifid . . . . . . . . d. II. singaptirensis. 



1. H. ZOSTEROSTYLOIDES, Hook. fil. PL Brit. Ind. VI.. 155. 

 Whole plant li-2 feet tall, with long stout roots. Leaves ovate acute 

 lower ones radical 4 inches long and 2 inches wide, petiole 2 inches 

 long, cauline leaves lanceolate sessile. Paceme lax. Flowers rather 

 small green. Bracts lanceolate acute shorter than the ovary ^-| inch 

 long. Upper sepal ovate, laterals linear oblong rather larger. Petals 

 triangular ovate. Lip entire linear as long as the sepals, spur slender 

 cylindric acute as long as the ovary. Anther cells divergent with 

 very short processes. Pollinia with stout caudicles and lai-gc orbicular 

 disc. Capsule nearly sessile elliptic oblong ^ inch long. 



Malacca: Mount Ophir (Griffith, Pidley 3147) ; Perak: Giinong 

 Brumber Pahang (Wray 1538), (Scortechini 510 B). In mossy 

 spots at an altitude of J 000 feet remarkable for its radical leaves like 

 those of Crypioslylis. 



2. H. XANTHOCHEiLA, Pidl. l.c. 411. Tubcrs oblong whole plant 

 a foot tall. Leaves lanceolate acuminate basal 6 incTies long, 1^ 

 inch wide. Raceme lax about 10 flowered. Flowers 1 inch across 

 showy. Bi'acts an inch long acuminate. Ovai-y twice as long. LTp- 

 per sepal ovate obtuse green laterals ovate. oblong deflexed. Petals 

 spathulate ol)long. Lip li inch long yellow. 3 lobed side lobes ob- 

 long spathulate falcate truncate, midlobe obovate bifid, spur decurved 

 slender 2 inches long. Anther with broad processes. Pollinia fusi- 

 form. Postellum large ovate. 



Penang: Pulau Betong (Curtis) and near the spout. 



3. IT. CARXEA, X. E. Br. Card. Chron. 1801. IL p. ISO. flg. 105; 

 1892. II. p. 300. Stem tuberous very short, leaves basal ol)long or 

 lanceolate acute ;) inches long by 1 inch wide dull green with white 

 spots or plain. Scape G-12 inches tall with ovate acuminate bracts. 

 Flowers 5-20 large rose pink or white, 1 inch across. Sepals ovate 

 upper one smaller than the others. Petals ovate as large as the upper 

 sepal. Lip 1 inch long, side lobes very broad rounded midlobe reni- 

 form or almost oibicular retusc with a narrow base. Anther galcatc 



