TUSCOLA COUNTY 



Gnaphaliwn polycephalum Michx. Sweel balsam. Very abundant 



along roads, in dry fields, and on hilly ground about the small lak< 



Gnaphaliwn decurrens Ives. Clammy everlasting. Frequent through- 

 out in dry poor ground, often growing with the preceding. 



Gnaphaliwn uliginoswn L. Low cudw< sed. Frequent and in 

 very abundant in old fields and pastures. 



Gnaphaliwn purpurewn L. Purplish cudweed. Plentiful in dry poor 

 open ground just north of Mud Lake. Xot noticed elsewhere. 



Inula helenium L. Elecampane. Frequent and often abundanl along 

 roads, in old fields, pastures, and occasional on the border of dry open 

 woods. 



Silphium terebinihinaceum J acq. Prairie dock. Noticed as common 

 on and near the "islands" in Akron and Wisner township-. ( tften on 

 roadsides and a weed in fields. Probably its northern limit in Michigan. 



Ambrosia trifida L. Great ragweed. Occasional in villages and wj 

 places. 



Ambrosia artemisiifolia L. Common ragweed. Everywhere as a 

 weed along roads and in cultivated fields. 



Xanthium canadense MiU. American cocklebur. Common in damp 

 places along roads and in villages. 



Rudbeckia hirta L. Yellow daisy. Black-eyed Susan. Frequent 

 throughout in dry open ground, but not noticed anywhere as abundant . 



Bfudbeckia laciniata L. Tall cone-flower. "Open swamp-. 1": - 

 quent." C. A. Davis. 



Helianthus annuus L. Common sunflower. Occasional a- an escape 

 in villages. 



Helianthus giganteus L. Tall sunflower. Noticed in damp o] 

 ground near Murphy's Lake. "Common on the prairies and frequent "ii 

 borders of swamps elsewhere." C. A. Davis. 



Helianthus divaricatus L. Rough sunflower. Frequent and often 

 abundant throughout in dry open woods. 



Helianthus strumosus L. Pale-leaved wood sunflower. Noticed on 

 or near the banks of Murphy's Lake. Apparently not common. 



Helianthus decapetalus L. Thin-leaved sunflower. 'Frequent in 

 Wells and Dayton townships." C. A. Davis. 



Helianthus tuber osus L. Jerusalem artichoke. Noticed only in culti- 

 vation. 



Bidens frondosa L. Beggar-ticks. Common as a weed in .'.amp 



ground and often in cultivated fields. 



Bidens comosa (Gray) Wiegand. Leafy-bract cd tickseed. In damp 

 ground, especially in the vicinity of the small lakes. 



Bidens connata Muhl. Purple-stemmed swamp beggar-ticks. Fre- 

 quent throughout in ditches and wet places. 



