4o6 
The Ohio Naturalist. 
[Vol. VI, No. 2, 
3. H. prolificum L. Cham])aign, Hocking, Defiance, Frank- 
lin, Hamilton, Tuscarawas, Montgomery, Carroll, Holmes, 
Jackson, Coshocton, Adams, Gallia, Harrison, Portage, Stark, 
Wyandot, Wayne, Scioto, and Fairfield Counties. Data are not 
at hand concerning its ecological habits but it probably prefers 
dry woods. 
4. H. sphaerocarpum Michx. Lake, Franklin, Montgomery 
and Clermont Counties. Should be found in dry woods in all 
the western counties. 
5. H. virgatum Lam. A single specimen from Jackson 
County. This species is more characteristic of the coastal plain 
of the Atlantic from Delaware and New Jersey southward, but 
has been reported from a number of places inland. It is easily 
recognized by its leaf habit alone. 
G. H . perforatum L. Naturalized from Europe in fields and 
along roadsides, Auglaize, Gallia, Ashtabula, Summit, Morrow, 
Highland, Lorain, Clinton, Stark, Union, Carroll, Wayne, Tus- 
carawas, Knox, Clark, Montgomery, Franklin, Richland, Noble, 
Guernsey, Ross, Harrison, Madison, Butler, Jefferson and 
Medina Counties. 
7. H. maculatum Walt. Scioto, Muskingum, Franklin, 
Adams, Wayne, and Logan Counties. 
8. H. subpetiolatum Bickn. Most abundant in moist, 
shaded woods. Stark, Highland, Lake, Richland, Erie, Shelby, 
Crawford, Summit, Carroll, Union, Auglaize, Clinton, Cuyahoga, 
Defiance, Hocking, Hamilton, Tuscarawas, Clermont, Gallia, 
Lorain, Huron, Morgan and Licking Counties. 
9. H. miitiliim L. In moist woods and along streams. 
Huron, Stark, Morgan, Jackson, Wayne, Brown, Franklin, 
Perry, Monroe, Scioto, Lake, Vinton, Clarke, Hamilton, Cuya- 
hoga, Fairfield, Hocking, Clermont and Auglaize Counties. 
10. H. boreale (Britt.) Bickn. In peat bogs. Defiance and 
Geauga Counties. 
11. H. gymnanthum Engelm. and Gray. Erie County. 
12. H. Drummondii (Grev. and Hook.) T. and G. In dry 
soil and on rocks, Ashtabula and Hamilton Counties. Probably 
introduced in the former. 
Sarothra L. 
A monotypic genus. 
1. 5. gentianoides L. In sand and on dry rocks, Erie, 
Gallia and Scioto Counties. Probably occurs elsewhere along 
the lake shore. 
Triadexum Raf. 
One species in the State. 
1. T. virginicum (L. ) Raf. In peat bogs and swamps in the 
northern half of the State. Wayne, Erie, Geauga, Licking, 
Cuyahoga and Huron Counties. 
