THE ORIGIN OF THE HAMMOCKS 195 



less water holes and shallow pits that either con- 

 tain water or are always moist. Over much of 

 this area hammock vegetation' has taken a firm 

 hold and though not exempt from occasional fire 

 toll, yet by reason of the moisture and the partial 

 protection of the surrounding rocks it is never 

 wholly destroyed. Here is a list of the more 

 abundant trees and shrubs found in this low, 

 rocky pineland. 



Annona glabra, pond apple. 



Chrysobalanus, coco plum, two species. 

 * Trema floridana. 



Diospyros, sp. persimmon. 

 *Quercus virginiana, live oak. 

 *Metopium metopium, poison tree. 



Bursera gummifera, gumbo limbo. 



Ficus aurea, wild fig, strangler. 



Cephalanthus occidentalis, button bush. 

 *CaUicarpa americana, French mulberry. 

 *Jcacorea paniculata, marlberry. 

 *Myrsine rapanea, myrsine. 



Persea palustris, sweet bay. 



Ilex cassine, yaupon. 



Ilex krugiana, holly. 



