400 REPORT OF NEW JERSEY STATE MUSEUM. 



Common in woods of the northern counties, less common 

 southward in the Middle district and rare on the Cape May 

 peninsula. 



PL — Mid-April to late April, as the leaves begin to expand.. 

 Fr. — Well grown by mid-summer, not usually mature until early 

 autumn. 



Middle Dufnc f.—Parmingdale, New Egypt, Bordentown, Kinkora, Birming- 

 ham (S), M'edford (S), Woodbury, Yorktown. 

 Cape May. — Goshen. 



OSTRYA Scopoli. 

 Ostrya virginiana (Mill.). Hop-Hornbeam, Iron-wood. 



Carpinus virginiana Miller, Gord. Diet. Ed. 8. No. 4. 1768 [Virginia]. 



' Frequent in the northern counties, very rare within our limits.. 

 A single station on steep banks of the Delaware at Kinkora,, 

 facing the north (B. Long). 



Fl. — Mid-April to late April, as the leaves begin to spreads 

 Fr. — Well grown by mid-summer, mature in early autumn. 



Middle District. — Kinkora. 



CORYLUS L. 



Corylus americana Walt. Hazel-nut. 



Corylus americana Walter, Fl. Cor. 236. 1788 [South Carolina]. — Knieskernt 

 28. — Britton 222. 



Thickets of the Northern and Middle districts ; frequent. 



Fl. — Early March to early April, before the leaves. Fr. — 

 Well grown by mid-summer, but not commonly mature before- 

 early autumn. 



Middle District. — Farmingdale, New Egypt, Bordentown, Birmingham,. 

 Pemberton Jnc. (S), Medford (S), Haddonfield, Mickleton, Swedesboro,. 

 Yorktown, Quinton. 



BETULA L. 



Betula popullfolia Marsh. White Birch. 



Betula populifolia Marshall, Arb. Am. 19. 1785 [New Jersey]. — Britton 220.. 

 Betula alba var. populifolia Knieskern 29. 



Generally in moist ground, common northward and in the Pine- 

 Barrens, less abundant and more local in the Middle district. 



This is a characteristic species of the coastal swamps and 

 eastern Pine Barrens. Its white trunks are always conspicuous, 

 against the evergreens, particularly in winter. 



