E. L. EKMAN, WEST INDIAN VERNONIiE. 33 



X Rami tenuiter puberuli. Cymse inflore- 

 scentiam clistinctam formantes. Involu- 

 crum . campanulatum, aut cylindricum. 

 * Folia membranacea, elliptica, acumi- 

 nata, breviter sed distincte petiolata. 

 Inflorescentia satis ampla. Involu- 

 crum breviter campanulatum, squa- 

 mis 4 5-seriatis, satis brevibus, vix 

 carinatis. Corollse tubus long. 3 j 5 co- 

 rollse. 



aa. Calathidia in cymis laxe disposita. 

 Involucrum circ. 5 mm longum. 

 Corollse 6 6,5 mm longse tubus 

 gracilis superne in limbum subito 

 abiens. V. acuminata Less. 



PP. Calathidia in cymis satis approxi- 

 mata. Involucrum circ. 4 mm 

 longum. Corollse 5 mm longse tu- 

 bus amplior superne in limbum 

 sensim abiens. 



V. expansa Gleason. 

 ** Folia pergamacea, acuta, subsessilia, 

 obsolete denticulata. Inflorescentia val- 

 de congesta. Involucrum elongatum, 

 cylindricum, squamis 6 7-seriatis, e- 

 longatis, dorso carinatis. Corollse tu- 

 bus long, vix 1 / 2 corollse. 



V. pluvialis Gleason. 



X X Rami juveniles dense tomentosi. Cymse 



elongatse, flexuosse, inflorescentiam di- 



stinctam vix formantes. Involucrum in- 



fundibuliforme, basi cuneatum, squamis 



multiseriatis, exterioribus valde imbri- 



catis, interioribus fructus tempore elon- 



gatis, patentissimis. V. rigida Sw. 



p. Folia discoloria. Species insularum Hispan- 



iola et Cuba incolse. 



| Folia plana. 



X Folia subtus laxius floccoso-tomentosa. 

 C}^mse elongatse, ssepe cauliformes. 

 Hispaniola. V. fruticosa (L.) Sw. 



Arkiv for botanil: Band 13. N:o 15. 3 



