268 JUGLANDACEAE 



N. J. Morris, Warren, Passaic and Sussex counties. Reported 

 from, but not definitely known in Camden and Gloucester 

 counties. 

 Pa. Monroe and Schuylkill counties. 



Tertiary, o: Cretaceous, o: Older Formations, increasing north- 

 ward. Predominating north of the moraine. 1 18-189 days. Sea 

 Ievel-2,764 ft. 



2. M. cerifera L. In sandy swamps and wet woods: S. N. J. to 



Fla. and Tex., north to Ark. 



N. J. Known only from Cape May Co., the southernmost part 

 of our range, which is underlaid by Tertiary sands and gravels, 

 has a growing season of 220 days, and is almost at sea level. 



3. M. carolinensis Mill. In dry or moist sandy soil: N. S. to 



Fla. and Ala. and on the shores of Lake Erie. Occurs also 

 in bogs in N. N. J. and Pa. 



Throughout the range, more common in the pine-barrens of L. I. 

 and N. J. than elsewhere, but abundant on coastal sands. 



2. Comptonia Banks. 



1. C. peregrina (L.) Coulter. In dry soil, especially on hillsides: 

 N. S. to Man., N. Car., Ind. and Mich. 

 Throughout the range. 



JUGLANDACEAE 



Husk indehiscent; nut rugose or sculptured. 1. Juglans. 



Husk at length splitting into segments; nut smooth or angled 2. Hicoria. 



i. Juglans L. 



Fruit globose, not viscid; petioles puberulent. I. J. nigra. 



Fruit oblong, pointed, viscid; petioles pubescent. 2. J. cinerea. 



I. J. nigra L. In rich soil: W. Mass. to S. Ont., Minn., south to 

 Ga... Fla., Miss, and Tex. Its commercial value has resulted 

 in the present scarcity of the tree. 

 Conn. Rare as a roadside escape over most of the state, perhaps 



native in northwestern Litchfield Co. 

 N. Y. Throughout. 

 N. J. Not recorded from the pine-barrens, elsewhere common and 



increasing northward. 



