62 ARKIV FOR BOTANIK. BAND 13. NIO 15. 



plant collected, by Swainson agrees very well with the por- 

 tion of the type specimen seen. 



There also occur forms having elongated, leafy cymes, 

 and distant heads. Such forms also may be found in other 

 species, for instance, V. arborescens (L.) Sw. and V. fruticosa 

 (L.) Sw. It appears very probable that they do not constitute 

 a particular form, but are only variants of the other ones 

 described. So, for instance, Campbell n. 5870, Thompson n. 

 6746, 7209, 8038. 



Vernonia acuminata Less. 



Tabula nostra II, fig. 8 (pars inflorescentise). 



Vernonia acuminata Lessing, 1831, p. 663; Grisebach, 1861, p. 353; 

 Gleasox, 1913, p. 311. 



Vernonia divaricata De Candolle, 1836, p. 48; Gleason, 1906 b, p 

 185; 1913, p. 310 non V. divaricata Sw. 



Cacalia acuminata Kuntze, 1891, p. 969. 



Pappi setae interiores persistentes, numero 30 35, crassi- 

 usculae, paullulo complanatae, brunneae, quam exteriores dis- 

 tinctae circ. 6-plo longiores. Corolla 6 6,5 longa, tubo graeili, 

 glabro, subito in limbum abeunte, long. 3 /s corolla?, ' limbi 

 laciniis apice subtus papillosis. Antherae 1,7 1,8 mm longae, 

 ligula apice contracta, long. Ye antherae, nervo perspicuo 

 praedita, auriculis brevissime acuminatis. 



Hab. in Jamaica: Shakespeare (Br); Swartz (H, 

 Prodr, sub nom. V. divaricate Sw., S, orig. spec. V. acuminatce 

 Less., U, herb. Thunb.); Macfadyen n. 28 (K); Distin (K); 

 Wullschlagel n. 876 (M); prope Moneague, Dec. 1849, R. C. 

 Alexander-Prior sine num. (G, KU); Hart n. 665 (KU); 

 inter Claremont et Moneague, 11. 7. 02, Fawcett n. 8405 

 (KU); in monte Catherine Peak, alt. 1350 m, 23. 1. 88, Eg- 

 gers n. 3592 (KU); prope Kendal, alt. 450 m, 20. 11. 01, Harris 

 n. 8205 (KU); in montibus prope Kingston, anno 1897, O. 

 Hansen sine num. (H. KU). 



Though he had abundant material of this species at hand, 

 Swartz did not describe it. However, he probably had this 

 plant in mind when he wrote, Fl. Ind. occ. p. 1321: Provenit 

 et alia in insulis caribaeis hujus (V. arborescentis Sw.) forte 

 varietas, foliis minoribus ovatis obtusis 1. acutis scabriuscu- 

 lis, oculo armato hispidulis, atomis fusco-rubris nitentibus 



