PI^AiNTS OF SOUTHERN NEW JERSEY. 89 



district, there is an additional element of a distinctly boreal nature 

 found neither in the Middle district nor in the Pine Barrens.* 

 Such species are starred in the following list, the other species 

 being plants of similar boreal distribution, but which occur also 

 occasionally in the upper part of the Middle district, although 

 much more abundant on the coast. 



Ophioglossum vulgatum. Fragaria virginica. 



Lycopodium flabelliforme. Sanguisorba canadensis. 



Potamogeton pectinatus.* Rosa virginiana.* 



Cinna arundinacea. Crataegus crus-galli. 



Bromus purgans.* Falcata comosa. 



Elymus striatus. Phaseolus polystachyus. 



Cyperus diandrus. Geranium robertianum.* 



Carex lanuginosa. Polygala verticillata. 



Juncus articulatus.* Celastrus scandens. 



Vagnera stellata.* Hypericum boreale. 



Unifolium canadense. Myriophyllum tenellum. 



Leptorchis loeselii. Samolus floribundus. 



Gyrostachys plantaginea. Sabatia angularis. 



Populus tremuloides. Gentiana crinita. 



Morus rubra. Gentiana andrewsii. 



Parietaria pennsylvanica.* Lycopus uniflorus. 



Silene stellata. Scrophularia leporella. 



Sagina procumbens.* Helianthus giganteus. 



Moehringia lateriflora. Carduus discolor. 

 Aquilegia canadensis. " muticus. 



Arabis lyrata. 



The coast islands form a most interesting field for botanical 

 study, but unfortunately the spread of seaside resorts has cleared 

 one' beach after another of its native flora until there is practically 

 no untouched forest except the tract back of Ventnor and south 

 of Atlantic City. This contains numbers of Pitch Pine Pinus 

 ngida, as well as Red Cedar Juniperus virginiana, White Oak 

 Quercus alba, Post Oak Q. stellata, Spanish Oak Q. triloba, 

 Shadbush Amelanchier intermedia. Wild Cherry Prunus serotina. 

 Sumac Rhus copalina, Red Maple Acer rubum. Grape Viiis cesti- 



* Dr. H. A. Pilsbry has found a precisely similar element in the Land 

 Snail fauna of the coast strip in the woods below Atlantic City. Cf. The 

 Nautilus, 191 1, pp. 34-35. 



