TENNESSEE FLORA. 83 



S. heteroi>hyH«i Pursh. With the former. July-September. 

 S. grainiiiea Michx. With the former. August-September. 

 Alisma Plaiita^o L, Var. Americana Gray. Common. 



HYDROCHARIDE^. 



Vallisneria spiralis L. Slow-flowing streams. East Tenn. 

 Infrequent. July. 



Anacharis Canadensis Planehon. Pools above water-works, 

 Nashville, East Tenn., O. S. June. 



NAIADACE^. 



Potanio^eton pauciflorns Pursh. Xashville, also East Tenn. 

 Frequent. July. 



P. C/a^^on/i Tuckerm. Mountain streams of East Tenn. July. 



P. pnsillus L. Wolf Creek, East Tenn. July. 



P. hybridus Michx. Tullahoma. July. 



P. natans h. Wolf river, near Memphis. Dr. Egeling. 



P. perfoliatus L. Wolf river, vicinity of Memphis. Dr. 



Egeling. 



Zannlchelia paliistris L. In j)onfls and springs about Nash- 

 ville. April. 



ORCHIDACE^. 



Orchis spectabilis L. River bottoms below Nashville. Very- 

 rare. April. 



Habenariaintegra Spreng]. Tullahoma; Mitchellville. July. 



H. virescens Sprengel. Swamps. West Tenn. July. 



H. eristata R. Br. Sewanee. Cumberland Mts. July-August. 



H. peramcena Gray. Cedar Hill, Mitchellville, Robertson Co. 

 June. 



H. ciliaris R. Brown. Edgefield Junction. O. S. June-July. 



H. blephariglottis Hooker. Tullahoma. August. 



H. tridentata Hooker. Sewanee ; Cumberland Mts. Com- 

 mon. July. 



Goodyera pubescens R. Br. Mountains of East Tenn. Wolf 

 creek, etc. July. 



