Materials for a Flora of ihc Malayan Peninsula. 



Lateral sepals twice as long as 

 upper sepal 



,61 



■10. D. (if r in inn. 



Eaeemc elongate. Fl(-»wers numerous 

 scattered. 



Pseudobulbs obsolete very small. 



Sepals acuminate, laterals not gib- 

 bous. 



Lip entire, eiliatc 

 Lip 3 lobfd 



Sepals acuminate giljbous. 



Lip entire pubescent 



Lip 3 lobed 

 Sepals not acuminate. 

 Eaceme sliorter than leaves. 

 Leaves lanceolate . . 

 Leaves linear 

 Eaceme much longer than leaves 

 PseudobulbB large globose. . 

 Pseudobull)S large conic . . 



§ 10. CiKRiioPETALUM. Flowers soli- 

 tary or Avhorled on a well developed scape, 

 lateral sepals much larger than upper sepals 

 often more or less connate. 



Flowers solitary. 



Petals smaller than dorsal sepal. 



Lateral sepals narrow free 



Laterals broad, partly connate . . 



Petals as large as dorsal sepal. 



Laterals connate twisted . . 

 Flowers whorled, pseudolnilbs flat 

 connate lying on the rhizome 



Pseudobulbs erect thick. 



Lateral sepals free caudate very 

 long. 



Flowers few, 5 inches long . . 



41. B. adenopetalum. 



42. B. oblanccolatum. 



43. B. montiijenum. 



44. B. leptoaepalum. 



45. B. apoduin. 



40. B. linear if olium. 



4<. B. odoratum. 



48. B. globulus. 



49. B. fiammuliferuni. 



50. B. cphippiuiu. 



51. B. restrepia. 



o2. B. hrcviscapum. 

 53. B. planibulhc. 



54. B. maximum. 



