FLORA OF ST. CROIX AND THE VIRGIN ISLANDS. 65 



444. Bonichia arborescens, DC. 



Fl. all the year round. On sandy shores, gregarious. St. Croix (com- 

 mon); St. Thomas (Smith's Bay). 



445. Wedelia carnosa, Rich. 



Fl. June-Jan. Along ditches, gregarious. St. Croix (western part 

 of the island, not uncommon). 



446. W. buphthalmoides, Gris. (v. Wild Tobacco), a), /?) antiguensis, Nichols, 



and y) dominicensis. 

 FLall the year round. Leaves delicately fragrant, a) rare; /S) and y) 

 common along roads and in thickets. All islands. 



447. W. affinis, DC. (Prod, v, 541) {W. calycina, Rich.). 



St. Thomas (Wydler). 



448. W. acapulensis, HB. K. 



St. Thomas (Schl. in Linnsea, 1831, 727). 



(Grisebach, Fl. 372, thinks these two species to be included probably 

 in W. frutescens, Jacq.) 



449. W. cruciana, Rich. 



St. Croix (DC. Prodr. v, 542). 



450. W. discoidea, Less. (Linnaea, 1831, 728). 



St. Thomas (Less. 1. c). 



451. Melanthera deltoidea, Rich. 

 St. Thomas (Less.). 



452. Sclerocarpua africanus, Jacq. (Icon.Rar. i, t. 176). 



Fl. Nov.-Dec. Along roads and in thickets, rare. (Naturalized!) 

 St. Thomas (Parade ground). 



453. Bidens leucanthus, W. 



Fl. Sept.-Dec. Under trees, on high hills. St. Croix (West, p. 303) ; 

 Virgin Islands (common). 



454. B. bipinnatus, L. 



Fl. Sept.-March. Achenium often 5-aristate. In pastures and along 

 ditches, common. All islands. 



455. Cosmos caudatus, Kth. 



Fl. Dec-March. Along roads and in fields, not uncommon. All 

 islands. 



456. Verbesina alata, L. 



Fl. Feb.-Aug. Naturalized in gardens. St. Croix; St. Thomas. 

 Bull. Nat. Mus. No. 13 5 



