TUSCOLA COUNTY 203 



MALVACEAE. Mallow Family 



Abutilon theophrasti Medic. Velvet leaf. Noticed along roada and 

 as a weed in gardens and bean fields. 



Althaea rosea Cav. Hollyhock. "Escaped from cultivation al< 

 moist roadsides in Fairgrove and Columbia township 3. < '. A. J 



Malva rotundifolia L. Common mallow. Cheeses. Common as a 

 roadside and garden weed. 



Malva stjlvestris L. High mallow. "Millington Township by the road- 

 side." C. A. Davis. 



Malva moschata L. Musk mallow. Occasional a- an escape al 

 roads and in old fields. 



HYPERICACEAE. St. Johns-wort Family 



Hypericum ascyron L. Great St John's-wort, Damp open ground and 

 on banks of streams. Frequent. 



Hypericum perforatum L. Common St. John's-wort. Frequenl afi a 

 weed along roads and occasional in old fields. 



Hypericum punclatum Lam. Spotted St. John's-wort. < Occasional in 

 damp shaded ground, especially near the small lakes. 



Hypericum prolificum L. Shrubby St. Johns-wort. In dryish open 

 woods near Murphy's Lake. Probably frequent throughout. 



Hypericum kalmianum L. Kalm's St. John's-wort. Occasional in 

 sand near the beach of Saginaw Bay. " Prairies in Akron Township. " 

 C. A. Davis. 



Hypericum mutilum L. Small-flowered St. Johns-wort. Frequent in 

 low grassy ground, especially in the vicinity of the small lakes. 



Hypericum canadense L. Canadian St. John's-wort. "Along the 

 shores of the bay in Akron Township. " C. A. Davis. 



Hypericum virginicum L. Marsh St. John's-wort. Common, espe- 

 cially in low open and marsh}' ground about the small lak< 



CISTACEAE. Rockrose Family 



Helianthemum canadense (L.?) Michx. Long-branched frostweed. 



In dry sandy ground near the shore of Saginaw Hay and on the hills 

 about the small lakes. 



Lechea villosa Ell. Hairy pinweed. Noticed by Prof. ( '. A. Davis in 

 the northern part of Akron Township. 



VIOLACEAE. Violet Family 



Viola cucullata Ait. Marsh blue violet. Common in wet marshy 

 ground, especially about the small lakes. 



Viola sororia Willd. Woolly blue violet, Common in meadows and 



