PLANiTS OF SOUTHERiN NEW JERSEY. 31 



writer, from 1900 to 191 o, inclusive. Some localities were 

 visited many times and at all seasons, others only once or twice, 

 but constantly increasing knowledge of the conditions governing 

 plant life in this region usually made it possible to determine 

 whether or not additional trips were worth while. 



Fig. I. — Field work of Messrs. Van Pelt, Long and Stone, 1900-1910, indi- 

 cated by heavy black lines. Circles indicate ground covered by resident 

 botanists. 



The north central and northeastern portions of our area have 

 tlteen least studied, mainly because of their remoteness from 

 Philadelphia, and also because their flora has but little bearing 

 upon that of the Pine Barrens, with which this report is more 



