io6 Field Columbian Museum Botany, Vol. 2. 



Eupatorium sinuatum Lam. Encyc. 2:407. 



E. canescens Vahl. Bay shores at Guanica, Porto Rico (694, 706). 



Eupatorium villosum Sw. Prod. Veg. Ind. Occ. 111. 



Seashore upper beach at Georgetown, Grand Cayman (1401). 



Willoughbya cordifolia (L. ) Kuntze Rev. Gen. 372. 



Cacalia Linn. Mikania Willd. High mountain woods back of 

 Charlotte Amalia, St. Thomas (516). 



Willoughbya ranunculifolia (Rich.) comb. nov. 



Mikania A. Rich. Fl. Cub. Fan. 2:45. Stony shores at Pedernales 

 Point, Isle of Pines (1421). 



Willoughbya scandens (L. ) Kuntze Rev. Gen. 371. 



Eupatorium Linn. Mika?iia Willd. Moist soil near Port Antonio,.. 

 Jamaica (947, 956). 



Eclipta alba (Linn.) Hassk. PL Rar. Jav. 528. 



Verbesina Linn., Eclipta vesta L. , E. procumbens Mx. 



Railroad embankment at Bayamon, Porto Rico (322); roadside 

 near San Domingo city (815); and gravelly bank near Port Antonio, 

 Jamaica (941). 



Crassina multiflora (L. ) Kuntze Rev. Gen. 331. 



Zinnia multiflora Linn. Undoubtedly native; found far from 

 habitations on the shore of Guanica Bay, Porto Rico (690). 



Ageratum paleaceum Hemsl. Biol. Centr. Am. 2:83? 



Doubtfully placed here, from description, by Prof. B. L. Robin- 

 son. Woodlands about Chichen Itza, Yucatan (1635). 



Part-henium fruticosum Less, in Linnsea 5:152. 



Fide Prof. B. L. Robinson. Border of lagoon south of Progreso,. 

 Yucatan (1665). 



Alomia ageratoides H. B. K., Nov. Gen. et Sp. 4:151. 



A very small leaved weak form from Isle of Pines, Cuba (1437). 

 The usual form from San Miguel (1492) and the east shore (1603) of 

 Cozumel. 



Conyza ambigua de C. Flor. Fr. Supp. 468. ' 



Non. H. B. K. On one of the small islets in Hamilton Bay, Ber- 

 muda (119). Fide Prof. B. L. Robinson. 



Baccharis halmifolia Linn. Sp. PI. 860. 



Borders of a boggy place near Paget's, Bermuda (53, 58). 



Ambrosia hispida Pursh. Fl. Am. Sept. Suppl. 743. 



A. crithmifolia de C. At Pedernales Point, Isle of Pines, this 

 species grows erect and strict about 1 meter high, but at the north- 

 east point of Cozumel (1577) and on the coast dunes at Progreso, 

 Yucatan (1645), it is prostrate on the sands, always extending itself 

 toward the beach, sometimes 6 meters. 



Parthenium Hysterophorus Linn. Sp. PI. 988. 



This species does not appear indigenous at any of the following 



