MICHIGAN WEED: 



299 



Fig. 17 (17). 



Old-witch Grass. Tickle 

 Tumble-weed. P.:-.: 



spreading hairy, much-brar. 



cm. high: bearing c:^:; :'.; 



1t"~:: of the entire riant, lhe ': 



I rathe: stir 

 mature, breaking :: the plant 

 for loos lifrtmnrffl by the wind 

 into 



Fig. :>: is . 



Grass. A Switch Grass. 



-: L. An stem smooth, wiry, erect. 90-150 cm. high, 



usually forming large tuft s ing strong 



r5 ha;:' the root -stocks, long, flat leaves and ample spread- 



ar.che; verv ing panicles, sometimes 60 cm. long. Sandy soil, 



ally along lakes and streams. Extensively 



distributed in the United States and Me 



Rather ornamental, seldom much of a weed in 



Michigan. 



