IOWA ACADEMY OF SCIENCES. 241 



457. A. (iHi'(liio<Io)-(t (Nutt.) Britten. (Lophanthus ani- 



satus Renth.) Rare in woods along West Fork 

 of Des Moines. 

 Nepeta L. Catnip. 



458. N. cat((ri(i L. Introduced from Europe into waste 



places. 

 Physostegia Bentli. 



459. P. virginiana (L.) Benth. Common along streams. 

 Leonurus L. 



4()0. L. canliaca L. Motherwort. Frequent as a weed 

 in waste places; introduced from Europe. 

 Stachys L. 



4()1. S. pa/iisfi-is L. Common in swamps and on low 

 prairies. 



MONARDA L. 



462. M.fisfulosaL. Wild Bergamot. Very common; 



woods and dry prairies. 

 K(ELLiA Moinch. 



463. 7v". r /')■(// III (I jia (L.) MacM. {PijcnantJieiimiii lanceola- 



tiiiii Pursli.) Everywhere common; woods and 

 low prairies. 

 Lyoopus L. 



464. L. virgiiiicus L. Common in marshes. Aerial 



stolons from tips of fruiting branches observed 

 in this species. 



465. L. americaiiHs Muhl. (L. eiiropd'us var. simiatus A. 



Gray.) Common in low'ground. 

 Mentha L. 



466. M. canadensis L. Wild Mint. Frequent in low 



ground. 



SOLANACE^. 



Physalis L. Ground Cherry. 



467. P. iaiiceolafa Michx. Common on prairies and in 



cultivated ground. 



468. P. virginiana Mill. Similar situations to the pre- 



ceding, and more common. 



16 



