Materials for a Flora of the Malayan Peninsula. 9 



Flowers in terminal heads 13. Agrostopliyllum. 



Flowers in short axillary racemes 13. Poaepliyllum. 

 Flowers few or solitar}^ axillary 14. Ceratostylis. 



3. Bletieae. Terrestrial rarely epiphytic, 



stems short swollen. Leaves plicate herbaceous. • 



Inflorescence on tall rarely short lateral scapes. 

 Column long. 



Pollinia 2, no viscus, column with lateral 

 arms . . . . . . . . . . 15. Chrysoglossum. 



Pollinia 2, no viscus, column without 



arms . . . . . . . . . . 16. CoUahium. 



Pollinia 4 or 8, column with a foot. 



Lip not spurred, mobile. Pollinia 4 17. Plocoglottis. 

 Lip not spurred, not mobile. Pollinia 



8 18. Tania. 



Lip spurred, stems pseudobulbs . . 19. Ascotania. 

 Lip spurred, no pseudobulbs . . 20. Nephelaphyllum, 

 Column footless. Pollinia 8. 



Stems short swollen. Lip not spurred 31. 8 patlio glottis. 

 Stems short swollen. Lip spurred. 



Lip convolute round column . . 33. Pliaius. 



Lip adnate to column . . . . 23. Calanthe. 



Stems tall leafy. Inflorescence terminal. 



Terrestrial. Column with no lateral 

 anthers . . . . . . . . 34. Arundina. 



Epiphytic. Column with 3 sterile an- 

 thers and one fertile one . . . . 25. Dilochia. 



4. CoELOGTNEAE. Epipliytcs, rliizouie 

 creeping. Branches or pseudobulbs 3 or more 

 leaved. Lip sessile at column base. Column 

 without foot or arms. 



Pollinia 4. Lip not saccate or spurred 36. Coelogyne. 



Lip saccate at base . . . . . . 27. Pliolidota. 



Pollinia 2. Lip spurred, branches not 



pseudobulbs . . . . . . . . 28. Claderia. 



II. Vaxdeae. 



1. EuLOPHiEAE. Leaves herbaceous not 

 articulated. 



Lip spurred, column long . . . . 39. Eulophia. 



