TUSCOLA COUNTY 



Mitella nuda L. Naked bishop's cap. In tamarack swamps near 

 Cat Lake and Mud Lake. 



Chrysosplenium americanum Schwein. Golden saxifrage. In a very 

 wet shaded place near Murphy's Lake. Probably occurring throughout . 



Parnassia caroliana Michx. Carolina grass of parnassus. Noticed 

 by Prof. C. A. Davis in damp prairie-like ground in the northern part 

 of Akron Township. 



Ribes cynosbati L. Prickly gooseberry. Very frequent in rich open 

 or shaded ground. 



Ribes oxyacanthoides L. Smooth gooseberry. Frequent in tamarack 

 swamps about Cat Lake and Mud Lake. 



Ribes floridum Jj : 'Her. Wild black currant. Common in rich woods 

 and thickets. 



Ribes prostratum L'Her. Skunk currant. In a tamarack swamp near 

 Cat Lake. 



Ribes triste Pall. Swamp red currant. Noticed by Prof. C. A. Davis 

 in rich woods in northern part of Akron Township. 



Ribes aureum Pursh. Buffalo currant. An escape from cultivation 

 in many places. 



HAMAMELIDACEAE. Witch-hazel Family 



Hamamelis virgi?iiana L. Witch-hazel. Common especially on high 

 hilly ground. 



PLATANACEAE. Plane Tree Family 



PlatanusoccidentalisL. Sycamore. Buttonwood. Occasional through- 

 out with other trees. More common near the shore of Saginaw Bay, 



often fringing the upper beach. 



ROSACEAE. Rose Family 



Physocarpus opulifolius (L.) Maxim. Nine-bark. Noticed in the 

 vicinity of small lakes. 



Spiraea salicifolia L. American meadow-sweet. Common and 

 usually in low open ground. 



Spiraea tomentosa L. Hardback. Steeple bush. ''Border- of swamp-. 

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



Sorbaria sorbifolia (L.) A.Br. Mountain ash spiraea. Inclined to 

 escape from cultivation into streets and roads. 



Pyrus coronaria L. American crab. Noticed in particular on the dry 

 banks of North Lake. "Akron Township. " C. A. Davis. 



Pyrus malus L. Common apple. Noticed throughout along roadfl 

 and in open woods. 



Pyrus arbutifolia atropurpurea (Britton) Robinson. Red chokeberry. 

 In swamps especially about the small lakes. 



