398 



EXPERIMENT STATION BULLETIN. 



MINT FAMILY. LABIATAE. 



A large family of 3,000 species of aromatic herbs or shrubs, having square stems 

 and opposite lea ves -flowers irregular, mostly two-lipped; abounding in temperate and 

 tropical regions. Here belong pennyroyal, germander, skullcap, self-heal, dragon 

 heal, sage, motherwort, horehound, peppermint, catnip, hyssop, marjorum, thyme, 

 stone-root, and many more, often known as sweet herbs. There are some grown for 

 the beauty of their flowers or foliage, a few are weeds, but none are grown in Michi- 

 gan for fruits, vegetables or forage. 



Fig. 176 (155). 



Dead Nettle. Henbit. Lamium amplexicaule L. AnnuaPor biennial, slightly 

 pubescent; stems slender, weak, spreading, 15-30 cm. high; leaves nearly circular in 

 outline, deeply lobed or toothed; flowers in clusters, corolla, red or purplish. 



Introduced from Europe and a bad weed in cool weather, dying in not weather. 



