MICHIGAN WEEDS. 



401 



Fig. 179 (158). 



Catnip. Catmint. Nepeta Cataria L. 

 A downy, erect, pale green perennial, 60-90 

 cm. high; leaves heart-shaped, oblong, deeply 

 notched; corolla whitish, dotted with purple. 



A rather shy weed making little or no trouble. 

 Introduced from Europe. 



Fig. 180 (159). 



Self-heal. Heal-all. Blue-curls. Pru- 

 nella vulgaris L. Hairy or smooth, perennial, 

 often procumbent, 15-40 cm. high; leaves 

 ovate-oblong, entire or toothed; corolla violet, 

 purple or white. Waste places, especially in 

 thin lawns, old meadows and pastures. 



Introduced from Europe. 



