Materials for a Flora of the Malayan Peninsula. 31 



Lip entire obovate, spike cylindric ... 9. A. Perakense. 



Lip entire spoon-shaped ... ... ••• 10. A. testaceum. 



Lip entire oblong, spike very short ... 11. A. micranthum. 



1. A. XANTHOPHLEBIUM, Baker Fl. Brit. Ind. VI. 241. Stems 

 6 feet tall i inch through. Leaves oblong lanceolate cuspidate 2 feet 

 or more long 2-4 inches wide glabrous, petiole stout about 1 inch long, 

 ligule short truncate 1 inch long pubescent, spikes obconic 6 inches long 

 or less, peduncle stout 4-6 inches long. Bracts oblong glabrous 2 inches 

 long 1 inch across spreading red. Bracteoles spathaceous three lobed. 

 Flowers solitary in the bracts. Calyx 1 inch trifid, lobes unequal pubes- 

 cent brownish pink. Corolla tube thick li inch long upper lobe broad 

 ovate obtuse i inch wide, laterals oblong obtuse half as wide, all cherry 

 red. Lip a little longer obovate convolute, yellow with red streaks and 

 spots. Stamen filament broad linear white, base red, anther i inch long 

 yellow, crest short rounded entire, processes horn-shaped linear yellow 

 tipped red. Capsule elliptic oblong 1 inch long pubescent. Seeds nu- 

 merous. 



Bidley I.e. 133. A. stenoglossum Baker I.e. 234. Singapore : Bukit 

 Timah (Ridley 9214); Bukit Mandai (Ridley 6544) Selitar (1658); 

 Johor : Gunong Pulai ; Malacca (Maingay) Nyalas (Goodenough 

 1339) ; Dindings : Pangkor (Ridley 7234) ; Perak : Larut Hills (King's 

 Coll. 1957); Bujong Malacca (Ridley 9796) (Ridley 9796); Penang: 

 Government Hill (Curtis 3037). Endemic. In forests up to 3000 feet 

 elevation. Flowers in May and-June. 



2. A. PLAVUM, Ridl. I.e. 133. Stems 12 to 15 feet tall pubescent. 

 Leaves 12 inches long 2 inches wide oblong lanceolate cuspidate pubes- 

 cent beneath, petiole very short, ligule truncate, as long, spikes an inch 

 long 2 $ inch across subglobose on peduncles l£ inch long. Bracts 

 spathaceous bilobed k inch long pubescent. Corolla tube as long, lobes 

 ochreous, upper one obovate hooded, laterals narrower oblong lanceo- 

 late. Lip an inch across obovate convolute, edges recurved ribbed yel- 

 low spotted red in centre. Stamen filament broad pale orange, anther 

 narrow, crest reniform i inch wide veined orange. Style shorter. 



Penang : Waterfall Gardens (Curtis 2075). Penara Bukit (Ridley 

 7226). Distrib. Sumatra. 



3. A. LAPPACEUM, Ridley I.e. 134. Rhizome stout. Stems about 

 6 feet tall, stout. Leaves oblong" lanceolate acuminate cuspidate glab- 

 rous, not petioled 18 inches long 4 inches wide. Spikes numerous 

 gradually elongating to 6 inches long cylindrical, rachis stout covered 

 with brown tomentum. Flowers numerous pedicels i inch long. 

 Bracts oblong bifid red I2 inch long 1 inch wide. Bracteole tubular -£ 

 inch long trifid. Calyx tube as long lobes linear upper one broader \ 

 inch long, ochre yellow. Lip obovate rounded bilobed, Stamen short, 



