significant as compared with that of the pineland, yet there are 
nearly as many species of Ay ring plants ate within the 
bounds of these small sca ees hammocks as there are in the 
vast pinelands. The — arms of is Everglades main- 
tain less than one-half as many species as either the hammocks 
or the pinelands, The comparative distribution of the species of 
Fic. 25. Hammock. —The total area of this formation is relatively insignificant 
when compared with the pinelands. The hammocks consist of isolated groups of 
rdwood trees, shrubs, vines and herbaceous plants in the pinelands. The dense, 
degree of moisture, both con ndinions ‘being favorable to the development of i 
hepatics, mosses and ferns, f which occur Her 
occur the great majority of the Pe plants now known to oe common both to he 
West Indies and the mainland of North ees while nearly as great a percentage 
(42 per cent.) of species occur in this formation as in the much more extensive pine- 
lands. 
flowering ee, in the three formations is as follows: Pinelands, 
43 per cent.; Hammocks, 42 per cent. ; contiguous portions of 
the Bvereiedes 15 per cent. 
‘© one not acquainted with that region this statement made 
long ago by Dr. Perrine, ‘the sterility of the soil is made up for 
