E. L. EKMAN, WEST INDIAN VERNONI^. 65 



5 cm lata, cymis erecto-patulis, inferioribus ad 4 cm lon- 

 gis, angulato-complanatis, basi longe nudis, apice calathidia ge- 

 rentibus valdc congesta, numero ssepe 5 — 6; bracteis foliaceis 

 calathidiis aequilongis vel iis brevioribus. Calathidia sessilia, 

 quam maxima conferta, 7 — 9-flora (sec. cl. Gleason 5 — 8- 

 -flora). Involucrum subcjlindricum, 6 mm longum, 3 mm 

 latum, basi rotundato-attenuatum, squamis 5 — 6-seriatis 

 orthostichiis saepe conspicuis, exterioribus lanceolato-deltoi- 

 deis, brevibus, carinatis, minute mucronulatis, intermediis 

 lanceolatis, brevissime acuminatis, valde carinatis, intimis 

 ligulato-lanceolatis, obtusiusculis, omnibus firmulis, convexu- 

 lis, sordide brunneolis, interne glabris, nitentibus, ad apicem 

 tenuissime puberulis. Pappi setse interiores subpersistentes, 

 numero 40, firmulae, paullulo complanatae, brunnese, 4,5 mm 

 longae, quam exteriores lineares, insequilongse, perspicuse circ. 

 6-plo longiores. Corolla 6 — 6,5 mm longa, albida (Rehder), 

 tubo angusto, cylindrico, superne glanduloso, in limbum 

 subito abeunte, long, vix ^U corollse, limbi laciniis firmulis, 

 patulis-recurvis, apice subtus papillosis. Antherae 2,2 mm 

 longae, ligula long. ^'^. antherge, satis subito contracta, nervo 

 medio conspicuo, auriculis elongatis, obtusis. Stylus longe 

 exsertus. Achsenium (immaturum) 1,8 mm longum, dense 

 appresso-sericeum . 



Baccharis myrsinites Grisebach, 1861, p. 366, p. p. — non Pebs. 

 Vernonia pluvialis Gleason, 1913, p. 312. 

 Vernonia proclivis Gleason, 1913, p. 312. 

 Vernonia reducla Gleason, 1913, p. 313. 



Hab. in Jamaica: Macnab (KU, fragm. spec. herb. 

 Kew); PuRDiE (KU, fragm. spec. herb. Kew); Blue Moun- 

 tain Peak, Sept. 1885, Morris n. 2120 (KU); Hart n. 1070 

 (KU); in summo monte »Blue Mountain Peak», 2190 m. 

 alt., 11. 2. 03, A. Rehder sine num. (KU); Morels Gap, in silvis 

 humidis, alt. 1500 m, 12. 7. 03, Geo. Nichols n. 20 (K). 



A species of very peculiar habit due chiefly to the den- 

 sel}' clustered heads on long naked peduncles, and to the sub- 

 -cylindrical involucres with their peculiarh^ imbricated scales. 

 In fact, it resembles somewhat a Baccharis, to which genus 

 it was referred by Grisebach. 



Prof. Urban, who was the first to realize the Vernonian 

 nature of the plant, described it in manuscript as a particular 



Arkiv för botanik. Band 13. N:o 15. 5 



