Hedeoma hispida, Pursh. Rough Pennyroyal. 

 Common on dry prairies throughout the state. 



Hedeoma Drummoiidii, Benth. Drummond's Penny- 

 royal. 



In dry soils in the Black Hills, and in the adjacent 

 plains. 



Hyssopus officinalis, L. Hyssop. 



Sparingly naturalized in the Sioux valley near Brook- 

 ings. 



Lycopus rubellus, Moench. Stalked Water Hoarhound. 

 In wet ground in the Minnesota and Sioux valleys. 



Lycopus Americanus, Muhl. Cut-leaved Water Hoar- 

 hound. 

 Lycopus sinuatus^ Ell. 



Common in wet soils throughout the state. 



Lycopus lucidus, Turcz. Western Water Hoarhound. 



In swamps and bogs in the Minnesota and Sioux val- 

 leys. 



Mentha Caiiadeiisis, L. American Wild Mint. 

 Common in moist soils throughout the state. 



SOLANACE^. Potato Family. 



Phy sails longifolia, Nutt. Long-leaved Ground Cherry. 

 In the Sioux and Missouri valleys and the Black Hills; 

 more common westward. 



Phy sails laiiceolata, Michx. Prairie Ground Cherry. 

 On dry prairies throughout the state. 



Physalis Virgiiiiaiia, Mill. Virginian Ground Cherry. 



In thickets in the Minnesota and Sioux valleys, and 

 in the Black Hills. 



Physalis heterophylla, Nees. Clammy Ground Cherry. 

 In the Minnesota and southern Missouri valleys, and 

 in the Black Hills. 



