HYPERICACEAE 



443 



i. A. stans Michx.* In dry sandy soil: N. J. to Fla., Tenn. 

 and Tex. 

 N. J. Common in the pine-barrens, rare in the area surrounding 



them; unknown elsewhere. 

 Pa. Near Bristol, Bucks Co. 



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

 rare and scattered: Older Formations, o. 179-220 days. About 

 sea level. 



2. A. hypericoides L. In dry sandy soil: Mass. to Fla., III., 

 Kan. and Tex. 



N. Y. Rare and local on L. I. and S. I., unknown elsewhere. 

 N. J. Rare and local in Hudson, Mercer and Middlesex counties, 



thence increasing and becoming common southward, especially 



in the pine-barrens. 

 Pa. Bucks, Delaware and Chester counties. 



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

 usually on or near the edge of the coastal plain. 179-220 days. 

 About sea level. 



2. Hypericum [Tourn.] L. 



1. H. Ascyron. 



2. H. densiflorum. 



Styles 5; large perennial; pods 5-celled. 

 Styles 3 (rarely 4). • 



Tall leafy shrub; pods 3-celled. 

 Herbaceous, sometimes woody at the base. 



Stamens numerous, 15-40; flowers 6-25 mm. broad. 

 Capsules i-celled, or incompletely 3-5-celled. 

 Capsules incompletely 3-4-celled. 

 Capsules strictly I -celled. 



Styles united into a beak, separate above: 

 stigmas entire. 

 Leaves oblong or linear-oblong; cap- 

 sule 7 mm. long. 

 Leaves elliptic; capsule about 4 mm. 

 long. 

 Styles separate; stigmas capitate. 

 Capsules completely 3-celled ; styles separate. 



Leaves linear to linear-oblong; sepals lanceo- 

 late. 

 Leaves broadly oblong, ovate or ovate- 

 lanceolate. 

 Stamens few, 5-12; flowers 1-6 mm. broad. 

 Cyme leafy-bracted. 



* The specimen of Miller and Young, upon which they incorrectly based the record 

 of this plant's occurrence in Suffolk Co., L. I., was collected by H. W. Howland, in 

 August, 1871, in the pine-barrens of Ocean County, N. J. 



3. H. adpressum. 



4. H. Bissellii. 



5. H. ellipticum. 



6. H. virgatum. 



7. H. perforatum. 



8. H. puncialnm. 



9. //. boreale. 



