PLANTS OF SOUTHERN NEW JERSEY. 85 



canadensis^ Caltha palustris, etc., none of which occur in the 

 Pines. 



Numerically the flora of the IMiddle District comprises, exclusive of 



weeds, 1138 



Obvious intrusions or "relicts" from the Pine Barrens or from 

 other districts, 114 



Plants common to the northern half of the State, but occurring only 



in the upper part of the Middle District, 655 



769 



Characteristic Middle District Flora, 369 



Systematically these are grouped as follows : 



Pterydophytes, 8 



Gymnosperms, 3 



Monocotyledons Graminese, 39 



Cyperacese, 2>2) 



Others, 40 



112 



Dicotyledons Polypetalae, 128 



Monopetala;, 118 



246 



369 



Considering the entire Middle district flora, exclusive of the 

 114 intrusions, i. e. 1,023 species, we find the range of the species 

 is as follows : 



WIDE RANGING. 



Whole of North America, 18 



Canadian Provinces to Virginia-Florida, 353 



Maine to Virginia-Florida, 258 



NORTHERN ELEMENT. 



Plants ranging south to N. J. Del. or Md. 



From Labrador, 7 3 



Newfoundland, 12 8 



Nova Scotia, 8 8 



New Brunswick, 2 2 



Maine, 15 9 



New Hampshire, i 



Vermont, 2 i 



46* 32 



* For list of species, see pp. 49-56. 



