Materials for a Flora of the Malayan Peninsula. 



59 



Flowers large expanded. 



Sepals ovate obtuse 



Sepals lanceolate acute. . 



Sepals lanceolate caudate 

 Flowers more tlian one on the peduncle. 

 Flowers glabrous 

 Flowers hispid . . 



§ 2. MoNANTHA PARVA. Ehizome 

 slender filiform. Leaves and pseudobulbs 

 small. Flowers small solitary on slender 

 pedicels. 



Sepals subequal caudate 

 Sepals unequal, laterals larger. 

 Pseudobulbs horizontal monili- 



form . . 

 Pseudobulb erect obpyriform 



§ 3. Epicrianthes. Rhizome creep- 

 ing pseudobulbs. Flowers solitary very , 

 shortly pedicelled. Petals broken up into 

 6 or 7 threads. . . . . 



§ 4. HiRTULA. Small plants, pseudo- 

 bulbs with a few purple flowers usually 

 pubescent. 



Flowers glabrous . . . . . . 



Flowers pubescent, rhizome slender 

 flowers few. 



Sepals subequal lanceolate 

 Sepals unepual ovate lanceolate 

 Ehizome stout flowers numerous 



§ o. Eacemosa. Flowers numerous in 

 a dense or open raceme purple or spotted 

 pink. 



Eaceme elongate lax. 

 Pseudobulbs absent 

 Pseudobulbs developed. 

 Flowers large hairy . . . . , , 



10. B. memhrani- 



folium. 



11. B. sanguineo' 



maculatum. 

 13 B. longiflorum. 



13. B. suhiimhellatum. 



14. B. hispidum. 



15. B. striatelhim. 



16. B. catenarium. 



17. B. AviceUa. 



18. B. Eplcriantlies. 



19. B. ieneruin. 



20. B. hirtulum, 



21. B. cincinnatum. 



22. B. limhatum. 



23. B. Wrayi. 



24, B, lasianihum. 



