108 Field Columbian Museum Botany, Vol. 2. 



Wedelia lanceolata de C. Prod. 5:541. 



Shores of the bay of Culebras (579) and the open sea on the south 

 shore, Culebras Island (639). Our specimens agree well with the 

 description, and have additionally very prominent cottony tufts of 

 long strigose wool at the axils of all the larger veins beneath the leaf. 



Wedelia trilobata (L.) Hitch. PI. Baham. 99. 



Silphium Linn., W. carnosa Pers. The first vegetation on the 

 bay beach at Catafio, Porto Rico (143); sea beach and borders of 

 brackish lagoon near Port Antonio, Jamaica, (957, ,993), and the shores 

 at Georgetown, Grand Cayman (1245). 



Amellus asper(a) (Jacq.) Ktze. Rev. Gen. PI. 305. 



Calea Jacq., Melanthera deltoidea Michx. South shore of Cule- 

 bras Island (627), and near Georgetown, Grand Cayman (1395). 



Amellus niveus (L.) Ktze. loc. cit. 



Bidens Linn., Melanthera Small, M. Jiastata Michx. Barren 

 places near Bayamon, Porto Rico (314); open dry ground center of 

 the island of Cozumel (1545), and old fields near Progreso, Yucatan 



(1723). 



Spilanthes Beccabunga de C. Prod. 5:622. 



Open grassy places near San Miguel, Cozumel (1494). 



Salmea pteroboides Griseb. Fl. Br. W. I. 375. 



Sandy open places on the south shore of Cayman Brae (1231), 

 and near Georgetown, Grand Cayman (1404). 



Verbesina alata Linn. Sp. PI. 901. 



-Ditches along public road at Catafio, Porto Rico (328). 



Ucacou(a) nodiflorum(a) (L.) Hitch. Fl. Baham. 100. 



Verbesina Linn., Synedrella Gaertn. Roadsides at Caguas, Porto 

 Rico (220), and at Spot Bay, Grand Cayman (1276). 



Bidens andicola H. B. K. nov. gen. et Sp. 4:237. 



Islets in Hamilton Bay, Bermuda (16,24), fide Prof. B. L. Rob- 

 inson. 



Bidens pilosa Linn. Sp. PI. 832. 



Ditches at Walsingham, Bermuda (81), and seashore at Spot 

 Bay, Grand Cayman (1275), where the plant is known as "Spanish 

 Needles." 



Bidens cynapiifolia H. B. K. nov. gen. et Sp. 4:235. 



Ditches on hillside south of Charlotte Amalia, St. Thomas (501), 

 fide Prof. B. L. Robinson. 



Bidens leucantha (L.) Willd. Sp. PL 3:1719. 



Coreopsis Linn. Roadside ditches at Paget's, Bermuda (43); sea- 

 shore at Catano, Porto Rico (144, 166); near Port Antonio, Jamaica 

 (945), with very large ray florets; at Cape Corientes, Cuba (1446, 1464). 



