74 PINACEAE 



Conn. Litchfield Co. increasing northwestward. 



N. Y. Greene, Delaware and Ulster counties. "Highlands of 



the Hudson " record unverified. 

 Pa. Monroe and Luzerne counties. 



Tertiary, o: Cretaceous, o: Older Formations, increasing at 

 higher elevations. Not south of the moraine. 1 17-153 days. 

 1,200-3,500 ft. 



6. Thuja L. 



1. T. occidentalis L. In wet situations: New Bruns. to Minn., 

 Manitoba, south to N. J., N. Car. and Tenn., 111. and Minn. 

 Conn. Northwestern Litchfield Co. 

 N. Y. Westchester (probably now extinct), Putnam and Orange 



counties, increasing northward. 

 N. J. Recorded from Bergen, Warren, and Sussex counties, not 



recently collected. 



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

 ward, particularly along the Hudson Valley. Not south of the 

 moraine, 123-169 days. Sea level-1,420 ft. 



7. Chamaecyparis Spach. (See pi. 6) 

 1. C. thyoides (L.) B. S. P. Swamps and wet woods: Southern 



Me. along the coast to western Miss. 



Conn. Danbury and New Fairfield, increasing southeastward. 



N. Y. Scattered on western L. I., and on S. I., and near the N. J. 

 state line in Orange Co., also in Westchester and Putnam counties, 

 increasing southward. 



N. J. Not recorded from Warren, Hunterdon, Mercer and Som- 

 erset counties; rare and local elsewhere in the north, increasing 

 southward, and forming exclusive stands in the pine-barrens. 



Pa. Bucks Co. 



Tertiary, common: Cretaceous, less common: Older Formations, 



scattered in edaphically favorable situations. Rare north of the 



moraine,* and apparently wanting on the unglaciated portion of 



the Piedmont plateau. 141-220 days. Sea level-618 ft. 



8. Juniperus [Tourn.] L. 



Flowers terminal; leaves of two kinds, scale-like and awl shaped; 



always a tree. 1. /. virginiana. 



Flowers axillary; leaves awl-shaped. 



* See Introduction paragraph 7. 



