146 MR. J. COSMO MELVILL ON THE 



[Guettarda elliptica (S. W.). Key West; Rtigel, in 

 Herb. Shuttleworth, Mus. Brit.] 



Composite. 



66. Coslestina maritima (Torr. & Gray). [Ageratum, 

 L.] South shores of Key West. Abundant. 



67. Parthenium Hysterophorus (L.). By roadsides, very 

 abundant. 



68. Iva imbricata (Walt.). Sandy shores. 



69. Ambrosia crithmifolia (DC.) . Very abundant along 

 the southern shores. 



70. Borrichia arbor escens (DC.) . Salt-marshes ; abun- 

 dant. 



70 a. Borrichia frutescens (DC). Not so common as 

 the last. 



[Cosmos caudatus (Kunth) occurs at Key West ; but 

 was not observed.] 



71. Bidens leucantha (Willd.). A common tropical 

 weed. 



72. Pluchea purpurascens (DC). Very common. 



73. *Verbesina (Ximenesia) encelioides (DC). Abun- 

 dant. Not included in Chapman's f Flora/ 



74. Flaveria linearis (Jay). Common. 



75. Sonchus oleraceus (L.). Southern shores of Key 



West. 



SaPOTACEjE. 



76. Mimusops Sieberi (A. DC). =M. dissecta (R. Br.). 

 Very abundant ; a handsome tree. South shores of Key 

 West. 



