Systematik und Pflanzengeograpbie. 27 



Infloresceuse axillary. Fruits elongate-linear. 



8, V. Wrightii Rchb. fil. 

 „ terminal. Fniits linear-oblong. 



9. V. palmarum LindL 

 Disc. of lip with a central crest or tuft of hairs or appendages. 



— "f" Tube, formed by Union of sides of lip with column, about as 



broad as long. 



II Front lobe of lip acute or apiculate. African-Species. 

 «. Leaves broadly lanceolate or elliptic-lanceolate. 



1. Column with upper third free from lip. 



Leaves 2 — 5 in. long, front lobe of lip triangulär. 



10. F. Africana LindL 

 Leaves 6 — 7 in. long, front lobe of lip broadly oblong. 



11. F. acuminata Rolfe. 



2. Column with Upper two-thirds free from lip. 



12. F. cucuUata Kraenzl. 

 ^. Leaves oblong or elliptical-oblong. 



Leaves 4 — 6 in. long; front lobe of lip acute. 



13. F. ramosa Rolfe. 

 Leaves 3 — 3V2 in. long; front lobe of lip subobtuse. 



14. F. ovalifolia Rolfe. 

 II II Front lobe of lipo retuse or emarginate. Asiatic-Species. 



15. F. Gn.ßlhi{ Rchb. fil. 



— tt Tube, formed by Union of sides of lip with Column, much longer 



than broad. 



Leaves very broadly elliptic-ovate or suboribicular. 



16. F. gi-andifolia LindL 

 Leaves oblong-elliptic or narrower. 



Asiatic-Species. 

 «. Racemes 6 in. long; fruit oblong. 



17, F. Philippinensis Rolfe. 

 ß. Racemes IV2 — 3 in. long; linear-oblong, or elongate linear. 



1. Fruit oblongate-linear. 



Leaves oblong or oblong-lanceolate. 



Bracts numerous, crowded. 18. F. albida Blume. 



„ few, lax. 19. F. Borneensis Rolfe. 



Leaves ovale. 20. F. palemhanica Teysm. et Binn. 



2. Fruit linear-oblong. 21. F. Moonii Thw. 



Ameriean-Si>ecies. 

 Leaves elliptic-lanceolate or broadly-lanceolate, equally tapering 

 at both ends. 22. F. Sprucei Rolfe. 



Leaves elliptic-oblong to linear-Ianceolate, not equally tapering 

 at both ends. 



Leaves broadly elliptical. 23. F. hamata Klotzsch. 



Leaves oblong or narrower. 

 * Leaves oblong or elliptical-oblong. 



t Nerves of lip smooth or verrucosa. 



§ Sepals and petals 1^/4 in. long or longer. 

 Extra-Brazilian-Species. 



a, Bracts oblong or linear oblong small. 



Disc of lip smooth. 24. F. Horstmanni Rolfe. 

 „ „ „ verrucüse. 25. V. planifolia Andr. 



b, Bracts elliptical or elliptical-oblong, larger. 



Fruits subcylindrical 13 in. long. 



26. F. phaeantha Rchb. fiL 

 Fruits trigonous. 3 — 7 in. long. 



27. F. Pompona Schiede. 

 Brazilian-Species. 



a. Lip not strongly keeled in front. 



Bracts subdistichous. 28. F. Gardneri Rolfe. 

 „ scattered. 29. F. Vellozii Rolfe. 



b. Lip strongly keeled in front. 



30. F. carinata Rolfe, 



