E. L. EKMAN, WEST INDIAN VERNONIiE. 35 



2. Folia subtus sericeo-pubescentia sericeo-tomentosa. 



a. Folia linearia, margine revoluta (cfr. V. sericece 

 subsp.)- Calathidia 18 21-flora. Pappus albus. 

 a. Inflorescentia divaricata. Squamae involucri 



submolles. Tubus long. 3 / 4 corollae. Cuba. 

 V. angustissima Wright ap. Ekman. 

 (3. Inflorescentia congesta, angusta. Squamae in- 

 volucri rigidae. Tubus long. */ 2 corollae. 

 Hispaniola. V. stenophylla Less. 



b. Folia latiora, vulgo anguste ovato-lanceolata. 

 Calathidia 11 16-flora. Pappus saepissime brun- 

 neus. 



a. Calathidia 11 13-flora. 



| Folia subtus saepe tenuissime sericea. In- 

 florescentia satis contracta. Squamae in- 

 volucri interiores saepe breviter acutatae. 

 Antherae 1,2 mm longae. Hispaniola. 

 V. sericea L. C. Rich, subsp. 



racemosa (Delp.). Ekman. 

 f| Folia subtus densius sericeo-tomentosa. 

 Inflorescentia diffusa, cymis elongatis. 

 Squamae involucri interiores acutae. An- 

 therae minimae, 0,8 mm longae. Porto Rico 

 Ins. infra ventum. V. sericea L. C. Rich. 

 p. Calathidia 15 16-flora. Porto Rico In- 

 sula? infra ventum. ^c V. Oleasonii Ekman. 



Artificial Key to the Species of the Subsect. Arhorescentes. 



I. Leaves linear to narrowly linear-lanceolate. 

 A. Pappus white. 



1. Leaves greenish beneath. Cuba. V. commutata. 



2. Leaves whitened beneath. 



a. Leaves revolute, sericeous beneath, 

 a. Inflorescence spreading. Cuba. 



V. angustissima. 

 Inflorescence contracted, narrowly oblong. 

 f Leaves 4 7 cm long; heads 18 21 -flowe- 

 red. Hispaniola. V. stenophylla. 

 j" f Leaves 1 3 cm long; heads 11-flowered. 

 Cuba. V. corollaphila. 



P- 



