16 ARKIV FOR BOTANIK. BAND 13. N:0 15. 



rolla 9 mm longa, glabra. Anthera3 3,3 mm longae, ligula 

 long. 1 / 8 antherae, auricalis ipsissimo apice obtusis. 



Hab. in Cuba: Wright n. 285 (B, CD, KU, S). 



The species is at once recognized by its peculiar pubes- 

 cence. 



Vernonia aronifolia Gleason. 



Vemonia aronifolia Gleason, 1913, p. 323. 



Hab. in Cuba: prov. Pinar del Rio, prope Sumidero, 

 in rupibus calcareis, 2 4. 8. 12, Shafer n. 13514. 



Not seen. In leaf-characters this species must be iden- 

 tical with V. Wrightii Sch.-Bip., and in reading the de- 

 scription I at first believed there was no difference at all. How- 

 ever, it seems to be distinguished from V. Wrightii by its large, 

 many-flowered heads, narrow, subulate scales and white 

 pappus. 



Vernonia Wrightii Sch.-Bip. 



Tabula nostra I, fig. 9 (folium et cyma). 



Vernonia rigida Grisebach, 1862, p. 511 (var. V. Sagrceana DC.) 

 non Sw- 



Vernonia Wrightii Schultz-Bipontinus, 1863, p. 234. 

 Vernonia leptoclada Gleason 1906 b, p. 183 non Sch.-Bip. 



Pappi seta? interiores persistentes, numero 55, tenues, 

 filiformes, sordide brunnescentes, exterioribus distinctis 6- 

 plo longiores. Corolla 8,5 mm longa, glabra. Antherse 3 

 mm longse, ligula long. 1 ; 7 antherae, auriculis satis longis, 

 attenuatis, ipso apice obtusiusculis. 



Hab. in Cuba orientali: prope villain Monte Verde 

 dictam, Jan. Jul. 1859, Wright n. 284 (CD, orig. spec, 

 sub num. falso 1309, G, K, KU, P); in monte La Clarita, alt. 

 800 m. mens. Apr. 1889. Eggers n. 5017 (KU); Oriente, Loma 

 Santa Teresa, prope El Yunque, in collibus siccis, 2. 12. 10, 

 Shafer n. 7738 (KU); Oriente, Camp La Gloria, prope Sierra 

 Moa, 2430. 12. 10, Shafer n. 8145 (KU). 



In the collection of Composite; made by Wright and 

 sent by Asa Gray to Schultz-Bipontinus for determin- 

 ation, the labels of the numbers 284 and 1309 had been 

 interchanged. Hence n. 1309 in the Cosson-Durand herba- 

 rium at Paris is the same as n. 284 in other herbaria, and 



