DESCRIPTIVE MANUAL 

 Ground Ivy (Nepeta hederacea (L.) Trevisan) 



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Description. — A creeping, trailing perennial, with leaves all 

 alike, petioled, round, kidney-shaped, crenate, smooth, green on 

 both sides; flowers light blue in axillary whorls of about 6, ap- 

 pearing in early spring and summer. 



Distribution. — Native to Europe, widely naturalized in the 

 northern states, especially in shady places. Common everywhere 

 in Iowa. 



Extermination. — Somewhat difficult to exterminate in lawns, 

 but thorough cultivation will destroy the weed. 



Fig. 159. Ground Ivy or Creeping Charley (Nepeta hederacea). Common in 



some gardens. 

 (Photographed by Colburn.) 



