294 Proceedings of the Ohio State Academy of Science. 



very gradually tapering, entire or minutely denticulate ; sporo- 

 phylls minutely denticulate above the middle or entire, acuminate, 

 only very slightly broadened above the middle. Plants ever- 

 green, commonly with brood-buds. On sandstone rock's. Lick- 

 ing, Fairfield, Hocking, and Portage counties. 



2.. Lycopodiuni luci'diiluni Mx. Shining Club-moss. 



Stems lax and successively, dichotomously branched, ascend- 

 ing or spreading, the plants evergreen, about six to twelve inches 

 long; leaves dark green, shining, widest above the middle; sporo- 

 pliylls alternating with zones of sterile leaves. Plants commonly 

 bearing" brood-buds. On sandstone rocks and in cool, damp 

 woods. General in the eastern half of the state. 



3. Lycopodiuni inundatnni L. Bog Club-moss. 



Stems long, creeping, flaccid, forking, and brittle, closely ap- 

 pressed to the earth ; fertile stems erect, solitary, slender, ter- 

 minating in short cones ; leaves lanceolate or lanceolate-subulate, 

 with hyaline margins. In sandy bogs. Portage county. (Hop- 

 Ivins). 



4. Lycopodiuni ohscuritm L. Tree Club-moss. 



Stems erect, bushy, with fan-like branches, six to twelve 

 inches high, from a slender subterranean, horizontal rhizome ; 

 leaves lanceolate-linear, entire, eight-ranked on the main stem ; 

 cones, one to ten on each plant, sessile. Plants evergreen. In 

 moist woods. Ashtabula, Lake, Medina, Licking, Fairfield, and 

 Defiance counties. 



5. Lycopodiitm clavatum L. Common Club-moss. 



Stems creeping with similar short irregular ascending or 

 decumbent densely leafy branches ; leaves evergreen, linear-subu- 

 late, incurved, bristle-tipped ; cones one to four on long peduncles. 

 In rich woods. Geauga county. (Stark county, Hopkins). 



