90 PRELIMINARY CATALOGUE OF PLANTS. 



Carpinus, L Iron-wood. 



C. Americana, Michx. American Hornbeam. River banks. 

 Rather common throughout the State. 



Betula, Tourn Birch. 



B. lenta, L. Sweet or Black Birch. Common in the northern and 

 middle counties. 



B. lutea, Michx., f. Yellow Birch. Sparingly in the northern coun- 

 ties. Closter. Bergen Co., C. F. Austin ; Essex Co., H. H. Rusby. 



B. alba, L. ; Var. populifolia, Spach. White Birch. Low grounds. 

 Common throughout. 



B. nigra, L. River or Red Birch. Closter, Bergen Co., C. P. Austin; 

 banks of the Delaware, Camden, C. F. Parker ; Bull's Ferry, P. V. 

 Le Roy; Paterson, W. H. Leggett; Plainfield, F. Tweedy. 



B. pumila, L. Low Beech. Sparingly in the northern counties. 

 Newton, Sussex Co., A. P. Garber; Budd's Lake, Morris Co., C. F. 

 Parker, T. C. Porter. 



Alnus, Tourn Alder. 



A. incana, Willd. Hoary Alder. Budd's Lake, Morris Co., C. F. 

 Austin. Eu. 



A. serrulata, Ait. Smooth Alder. Low grounds. Common through- 

 out. 



SALICACE^E. 



Salix, Tourn Willow. Osier. 



S. Candida, Willd. Hoary Willow. Rare. Budd's Lake, Morris 

 Co., T. C. Porter. 



S. tristis, Ait. Dwarf Gray Willow. Frequent. Bergen Co., C. F. 

 Austin ; Gloucester Co., C. E. Smith ; Camden Co., C. F. Parker; South 

 Amboy, W. H. Leggett. 



S. humilis, Marsh. Prairie Willow. Dry fields. Quite common 

 throughout. 



S. discolor, Muhl. Glaucous Willow. Low grounds. Common 

 throughout. 



S. sericea, Marsh. Silky Willow. Low grounds. Not rare. 



S. cordata, Muhl. Heart-leaved Willow. Low grounds. Frequent. 



S. viminalis, L. Basket Osier. Cultivated in New Jersey, Bull. 

 Torr. Bot. Club, Vol. III., p. 44; Warren Co., F. Knighton. Adv. Eu. 



S. livida, Wahl.; Var. occidentalis, Gray. Livid Willow. Spar- 

 ingly in the northern counties. Palisades, C. F. Austin ; Warren Co., 

 A. P. Garber, T. C. Porter. 



