Dec, 1905.] Notes from Ohio State Herbarium. 405 



southeastern States. Ascyrum is essentially a southeastern 



genus, and this species, which is its northernmost representative, 



is confined mainlv to the austro-appalachian and austro-riparian 



areas. In Ohio it grows in dry upland woods and hillsides in 



the southeastern part. Specimens are in the State Herbarium 



from Hocking, Lawrence, Fairfield, Gallia, Scioto, Hamilton and 



Jackson Counties. 



Hypericum L. 



1. Capsules 5-celled, styles 5. 2. 



1. Capsules 3-celled or 1-celled. 3. 



2. Leaves on main stem 6-8 cm. long, flowers 3-4 cm. wide, 



capsules ovoid, 2 cm. long. 1. H. ascyron. 



2. Leaves on main stem 2-3 cm. long, flowers 2 cm. wide, capsules 



narrowly ovoid, less than 1 cm. long. 2. H . kalmianum. 



3. Stamens verv numerous. 4. 



3. Stamens 5-12. 10. 



4. Capsules 3-celled. 5. 



4. Capsules 1-celled. 8. 



4. Capsules incompletely 3-celled, stem 4-5 dm. high, flowers 1.5 



cm. broad, short pedicelled, capsule 3-4 mm. long. 



(H. adpressum.) 



5. Shrubs, capsules about 1 cm. long, leaves narrowly oblong or 



oblanceolate, usually revolute. 3. H. prohficimt. 



5. Herbs, capsules 3-6 mm. long. 6. 



6. Leaves oblong or linear-oblong, crowded, flowers about 2 cm. 



wide. 6. H. perforatum. 



6. Leaves broader, elliptical to ovate, flowers about 1 cm. wide 



or a little larger. 7. 



7. Leaves sessile, cordate, sepals acuminate. 7. H. maciilatum. 



7. Leaves narrowed at the base, sepals obtuse. 8. H. siibpetiolatiim. 



8. Styles separate, leaves oblong, sharply acute, ascending, 2-3 



cm. long. 5. H. virgatum. 



8. Styles united below into a beak, leaves obtuse or nearly so. 9. 



9. Leaves narrowly oblong, 3-6 cm. long. 4. H . sphacrocarpum 



9. Leaves elliptic or ovate, 1.5-2.5 cm. long. {H. elliptic uyn.) 



10. Leaves lanceolate to ovate. 11. 



10. Leaves linear. 14. 



11. Capsule 8-10 mm. long. {H. ma jus.) 



11. Capsule 6 mm. long or less. 12. 



12. Leaves obtuse or rounded at apex. 13. 



12. Leaves acute, ovate and cordate-clasping. 11. H. gytnnanthum. 



13. Bracts subulate. • 9. H. mutilum. 



13. Bracts broader, foliaceous. 10. H. boreale. 



14. Leaves 3-nerved, spreading, capsule longer than the sepals. 



(H. canadense.) 

 14. Leaves 1-nerved, subulate, capsule about equalling the sepals. 



12. H. drummondii. 



1. H. ascyron L. In rich moist woods and river bottoms. 

 Monroe, Holmes, Lucas, Lake, Cuyahoga, Erie, Summit, Frank- 

 lin, and Richland Counties. A plant of generally northern 

 range, in Ohio apparentl}^ with the widest distribution in the 

 northern counties. 



2. H. kalmianum L. Along or near the lake shore in 

 Ottawa, Erie and Summit Counties. Occurs generally along all 

 the Great Lakes. 



