42 



PLANT LIFE OF ALABAMA. 



represented by the closely related genus Talauma. Of coniferous 

 trees pines are abundant in the higher mountains of Mexico and 

 Central America. Our slash pine, or Cuban pine, extends from the 

 West Indian Islands to Honduras; Taxodium inhabits Mexico, and 

 savin (Juniperm barbadensis) the West Indies, with other species of 

 Juniper us in Mexico. 



The common elements in these floras are exhibited in the following 

 table: 



Genera and species common to Alaltama and tropical America. 



1 Including Polypodiaceae, Bymenophyllacefte, and OemtmdaOMe. 



2 Equinetum robustum. 



3 Cniefly Paniceae (Panicum, Paspalum) and Andropogoneae ; all widely diffused from the West 

 Indies to Argentina. 



* Mostly of the genera Cyperus, Eieocharic. Sclcria, and Rynchospora, 10 species of the last 2 genera 

 being not met with, outside of the West Indies, in tropical America. 



5 Here used in the broader sense. The species belong to Yucca and other genera, mostly M l.m 

 thioideae. 



Here used in the broader sense. 



1 Phlox. 



