444 HYPERICACEAE 



Cymes subulate bracted. 



Leaves 5-7 nerved, not linear. 



Leaves ovate, oval or oblong; capsule 

 2-5 mm. long. 

 Leaves obtuse; sepals linear-oblong. 10. H. mntihim. 

 Leaves acute, or only the lower 



obtuse; sepals long acuminate. II, H. gymnanthum. 



Leaves lanceolate or oblong-lanceolate; 



capsule 8-10 mm. long. 12. H. majus. 



Leaves 3-5-nerved, linear or linear-oblong, 

 obtuse. 

 Leaves narrowed at the base. 13. H. canadense. 



Leaves rounded or clasping at the base. 14. //. dissimulatum. 



i. H. Ascyron L. Banks of streams: Que. and Vt. to Man., 

 Conn., N. J., 111. and Kan. Also in Europe and Asia. 

 Conn. Not very common in New Haven, Fairfield, Hartford, 



and Litchfield counties, increasing northwestward. 

 N. Y. The Catskills in Sullivan and Ulster counties. 

 N.J. Rare in Burlington Co., increasing northward, on the bank 



of the Delaware River. 

 Pa. Pike, Northampton and Bucks counties, all the stations near 



or on the Delaware. 



Tertiary, 0; Cretaceous, very rare: Older Formations, increasing 

 northward, especially in the valley of the Delaware. 127-183 days. 

 Sea level-1,900 fl. 



2. H. densiflorum Pursh. Pine-barrens: N. J., Ark. and Tex. 



N. J. Common throughout the pine-barrens, decreasing in the 

 region immediately surrounding the barrens; wanting elsewhere. 

 Tertiary, common on Beacon Hill, decreasing elsewhere: Cre- 

 taceous, scattered in Middlesex and the counties southwest of it: 

 Older Formations, 0. 179-220 days. About sea level. 



2A. H. prolificum L. Sandy soil: Ont. and N. Y., Minn, and Ga. 

 Pa. Philadelphia Co. 

 Records of this species from the coastal plain of N. J. refer to H. densiflorum . 



3. H. adpressum Bart. Low grounds: Mass. to Ga., La., Mo. 



and Ark. 



Conn. Very rare along the coast east of the Connecticut River. 



N. Y. Local on L. I. 



N. J. Rare in Bergen Co., not known between it and Monmouth 



Co., thence local along the edges of the pine-barrens, wanting 



in the pine-barrens. 



