38 ARKIV FÖR BOTANIK. BAND 13. NIO 16. 



X Leaves rounded or obtuse at the apex. 

 Straggling plant. — Cuba. 



F. calophylla. 

 X X Leaves acute. Erect plants. 



* Leaves elliptic to elliptic oblong. In- 

 volucres 5 — 6 mm high. — Cuba. 



F. vicina. 

 ** Leaves broadly lanceolate. In- 

 volucres 3 mm high. — Cuba. 



F. parvuliceps. 

 ß. Leaves bullate. 



■]■ Leaves acute. Cymes elongated. 



X Involucres to 12* mm high, scales with 

 filiform tips. — Cuba. F. pineticola. 

 X X Involucres 5 mm high, scales lanceolate, 

 acute. — Cuba. F. leptoclada. 



ft Leaves obtuse or rounded. • Cymes ab- 

 breviated. 



X Involucre densely pubescent. — Cuba. 



F. calida. 



X X Involucre thinly pubescent, or glabrate. 



— Cuba. F. semitalis. 



B. Inflorescence few-headed, cymes . reduced, or forming 



terminal capitate clusters. 



1. Inflorescence of reduced cymes. 



a. Leaves flat. 



a. Leaves narrowed at the base, broadest above 

 the middle. 

 I Leaves narrowly obovate, rounded at the 

 apex. — South-eastern Bahama Islands. 



F. hahamensis. 

 If Leaves broadly obcordate, emarginated 

 at the apex. — Little Inagua Island, Ba- 

 hamas. F. obcordata. 

 ß. Leaves rounded at the base, or shortly atte- 

 nuated, broadest near the middle. — New 

 Providence Island, Andros Island, Bahamas. 



F. arbuscula. 



b. Leaves undulate or curled towards the margins. 

 — Cuba. F. complicata. 



