PIjANTS OF SOUTHERN NEW JERSEY. 47 



Calamagrostis cinnoides. Arethusa bulbosa. 

 Andropogon corymbosus abbreviatus. Blephariglottis ciliaris. 



Scleria triglotnerata. Quercus marylandica. 



Carex oblita. Magnolia virginiana. 



vestita. Linum striatum. 



" polymorpha. Rhus vernix. 



" buUata. Polygala nuttallii. 



Orontium aquaticum. Viburnum nudum. 



Juncus debilis. Gaylussacia dumosa. 



Smilax glauca. Leucothoe racemosa. 



AJetris farinosa. Kalmia angustifolia. 



Cypripedium acaule. Azalea viscosa. 



Pogonia ophioglossoides. Asclepias rubra. 



The further tabulation of the distribution of coastal plain 

 plants in the Piedmont of Pennsylvania and northern New Jersey 

 cannot be too highly recommended, as it is likely to throw light 

 upon a problem of great importance. 



GENEEAI, GEOGRAPHICAI, DISTRIBUTION 0? THE PLANTS COMPRIS- 

 !lNG THE ELORA OE THE NEW JERSEY COASTAE PEAIN. 



A detailed study of the 1,373 species of flowering and filicoid 

 plants which occur in the New Jersey coastal plain shows that 

 they are divisible into four categories.* 



(i) Sipecies of wide range north and south through eastern 

 North America and sometimes much farther — 742 species. 



(2) Species of northern affinities which reach the southern 

 limit of their range on the Atlantic coast in or near southern 

 New Jersey — 121 species. 



(3) Species oi southern affinities which range north only as 

 far as New Jersey or to the narrow extension of the coastal plain 



* In making up these lists and those which follow, a series of card slips 

 was prepared, representing all the species found in the region under con- 

 sideration. On each slip was recorded the several districts of southern 

 New Jersey (see beyond) in which the species occurs and the northern 

 and southern limit of its distribution in eastern North America, the latter 

 being compiled from Britton's Manual, the new Gray's Manual, and a 

 few recent monographs. The cards were then sorted and re-sorted into the 

 various categories and the desired lists and figures readily obtained. 



As this report goes to press, a notable paper by Prof. M. L. Pernald appears 

 in Rhodora (1911, pp. 109-162), on the Origin of the Newfoundland Flora, in 

 which he adopts nearly the same method of contrasting the several elements 



