332 LAURACEAE 



Pa. Monroe, Northampton, Lehigh, Bucks, Delaware and Chester 



counties. 



Tertiary, unknown on Beacon Hill, rare elsewhere: Cretaceous, 

 scattered: Older Formations, increasing northward. 123-220 days. 

 Sea level-1,950 ft. 



MENISPERMACEAE 

 1. Menispermum [Tourn.] L. 

 1. M. canadense L. In woods: Que. to Man., Ga. and Ark. 

 Conn. Rare over most of the state, especially in the west. 

 N. Y. Rare on L. I., S. I., and becoming frequent in Westchester 



Co., thence increasing and common northward. 

 N. J. Cape May and in the area north and west of, the pine- 

 barrens, thence increasing and common northward. 

 Pa. Pike, Northampton, Bucks, Delaware and Chester counties. 

 Tertiary, unknown on Beacon Hill, rare elsewhere: Cretaceous, 

 scattered; Older Formations, increasing and common northward, 

 especially on the trap intrusions of the Palisades, and in the Connec- 

 ticut Valley. 128-220 days. Sea level-1,950 ft. 



LAURACEAE 



Anthers 4-ccllcd; leaves or some of them lobed; usually a small tree. 1. Sassafras. 

 Anthers 2-celled; leaves entire; always a shrub. 2. Benzoin. 



I. Sassafras (Nees.) Eberm. 

 1. S. sassafras (L.) Karst. In dry soil: Me. to Ont., Mich., 

 Fla. and Tex. 



Common throughout the range. 



2. Benzoin Fabric. 

 1. B. aestivale (L.) Nees. (B. Benzoin (L.) Coulter). In moist 

 thickets, woods, and along streams: Me. to Ont., Mich., 

 N. Car., Tenn. and Kan. 



Throughout the area except in the pine-barrens, there wanting. 



PAPAVERACEAE 



Pod dehiscent at the top or only to the middle. I. Papaver. 



Pod dehiscent to the base. 



Flowers white; juice red. 2. Sanguinaria 



Flowers and juice yellow or orange. 



Capsule long-linear, rough, tipped with a dilated stigma. 3. Glaucium. 



