104 TENNESSEE FLOKA. 



Lygodium palmatnm Swarz. Cumberland Mts. Very local. 

 Rockland fetation. 



Osnmuda regalis L. Swamps, highlands, barrens and moun- 

 tains. 



0. Claytoniana L. Cumberland and Alleghany Mts. 



0. ciiinamomea L. Swamps, throughout the State. 



OPHIOGLOSSIACE^. 

 Botrychiniii ternatum Swarz. Over the State. 

 B. Vir^inieiim Swarz. Over the State. 

 Ophio^lossiim vulgatum L. Cedar glades, at Lavergne. 



, LYCOPODIACE^. 



Lycopodium Selago L. Roane Mt. Prof. Chickering. 



L. dendroideum Michx. Wolf creek, Cocke Co.; near Cran- 

 berry mines, Johnson Co. 



L. complanatum L. Cumberland Mts., Sewanee. 



Selaginella rupestris Sprengel. Dry rocks, along Ocoe river, 

 East Tenn. 



S. apiis Sprengel. Common, throughout. 



''^Iscetes Butleri, var. immacidata Engelm. Cedar glades near 

 Lavergne. In moist places. 



HYDROPTERIDES. 



Azolla Caroliniana Willd. Swamps near Johnson ville, West 

 Tenn. 



^ Isotes Butleri Engehn., var. immaculata Engelm. Dioiceous, with a 

 subglobose trunk, bright green, rather firm leaf, sometimes as many as 

 sixty, six to nine inches long; sporangium without spots; macrospores 

 0'4(»-0-5G mm. in diameter ; microspores 0029-0031 mm. long, spinulose. 

 On Hmestone flats ; in damp places in the cedar barrens. One mile south- 

 east from the railroad station. June. 



