Tennessee Flora. 147 



KCELLIA Moench. (Pycnanthemum Michx.) 



Koellia flexuosa (Walt.) MacM. Pycnanth. linifolium Pursh. 

 Mountain mint. Siliceous and argillaceous soils. O. S. June, 

 July. M. 



K. Virginica MacM. P. lanceolatum Pui'sh. O. S. Au-' 

 gust, September. 



K. pilosa (Nutt.) Britton. P. muticum var. pilosum Gray. 

 Dickson County. July. 



K. verticillata (Michx.) Kuntze. P. Torreyi Benth. S. W. 

 Va., near Tennessee line. July-September. 



K. clinopodioides (T. & G.) Kuntze. P. clinopodioides T. 

 & G. E. Tenn. Fide A. Gray. 



K. incana (L.) Kuntze. Pycnanthemum incanum Michx. 

 O. S. August-October. 



K. pycnanthemoides (Leavenw.) Kuntze. P. Tullia Benth. 

 Hills west of Nashville. June, July. 



K. albescens (T. & G.) Kuntze. P. albescens T. & G. 

 Parksville, E. Tenn. Also hilltops near Nashville. July-Sep- 

 tember. 



K. mutica (Michx.) Britton. P. muticum Pers. Oak bar- 

 rens of Tullahoma. Very abundant. July, August. 



K. montana (Michx.) Kuntze. P. montanum Michx. Big 

 Frog Mt. Clingman Dome. 



THYMUS L. 

 Thymus vulgaris L. Sweet thyme. Cultivated only. M. 



SATUREIA L. 

 Satureia hortensis L. Summer savory. Cultivated. M. 



LYCOPUS L. 



Lycopus Virginicus L. Bugle weed. Ponds and ditches. O. 

 S. August, September. 



L. rubellus Moench. Stalked water hoarhound. Swamps. 

 O. S. July-October. 



L. Americanus Miihl. Cut-leaved water hoarhound. Wet 

 soil. O. S. July-October. 



MENTHA L. 



Mentha spicata L. M. viridis L. Spearmint. Introduced. 

 Wet grounds. O. S. July. M. 



M. Piperita L. Peppermint. Introduced. July-Septem- 

 ber. M. 



M. rotundifolia L. Round-leaved mint. South fork of Hol- 

 ston River. J. K. Small. July. 



