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Materials for a Flora of the Malayan Peninsula. 



6. Gastrochilus, Wall. 



Small herbs with a short or elongate rhizome. Stems short or 

 long or none. Leaves lanceolate or ovate petioled, solitary or in tufts 

 of 2-4. Spike axillary or from the rhizome. Bracts large or moderate 

 sized. Flowers thin opening singly white yellow or red. Bracteoles 

 solitaiw thin, Calyx tubular spathaceous short. Corolla tube long and 

 slender, lobes oblong or lanceolate. Staminodes similar usually larger. 

 Lip oblong or obcuneate often saccate, or convolute, entire or more or 

 less lobed. Stamen filament thick and fleshy exsert. Anther oblong, 

 crest small rounded or lobed, sometimes absent. • 



Species about 30. Indo Malayan or Siamese. 



§ 1. ACRANTHI. Stems tall and leafy, spikes 

 axillary in the upper leaves. Lip saccate. 

 Petioles 2 inches long ... ... ... 1. G. albo-sangumea. 



Petioles short ... ... ... ••• 2. G. pulcherrima. 



§ 2. Mesanthi. Stemless. Leaves 2-4 in a 

 tuft. Spikes from between them. 

 Leaves several distichous large tufted plant 

 Bracts glabrous 

 Bracts woolly 

 Leaves in pairs on a slender rhizome. 

 Bracts narrow ligulate or linear. 

 Spike elongate. Bracts ligulate spiral... 

 Spike elongate. Bracts oblong cuspidate 

 Spike sessile, short. Bracts linear 

 Leaves several together rhizome short. 

 Bracts long and narrow crowded. 

 Spike short. 

 Leaves glabrous, petiole short. Flowers 



yellow 

 Leaves glabrous, petiole as long as the 

 blade anther erestless 

 Petiole longer than blade. Anther 



crested 

 Spike elongate. Bracts imbricate. 

 Spike 3 inches long, lip large convolute 

 Spike 6 inches long. Lip orbicular ... 

 Leaves pubescent on the back. 

 Spike elongate. Bracts imbricate 

 Spike short. Bracts not imbricate. 

 Corolla lobes oblong lanceolate... 

 Corolla lobes linear 



3. G. plicata. 



4. G. Klossii. 



5- G. scaphoclihjmas. 

 G. G. lancifolius. 

 7. G. lanceolata. 



8. G. minor. 



9. G. longiflora. 



10. G. longipes. 



11. G. lurula. 



12. G. tillandsoides. 



13. G. Prainiatia. 



14. G. Curtisii. 

 !•"). ( : . clivalis. 



