SHORE OF LAKE HURON 37 



villages and about farm houses. As a native tree probably not farther 

 north than Tuscola County and the Saginaw valley. 



Carya ovata (Mill.) K. Koch. Shag-bark hickory. From near Pin- 

 conning in Bay County to the north line of Arenac County. Frequent. 

 Not noticed farther north. 



Carya cordiformis (Wang) K. Koch. Bitter-nut. Rich ground with 

 other trees from Pinconning, Bay County, to Alpena County. Frequent. 



BETULACEAE. Birch Family 



Corylus americana Walt. Common hazelnut. Rich open ground near 

 Pinconning, Bay Courrty, but not noticed farther north along or near the 

 Lake Huron shore. 



Corylus rostrata Ait. Beaked hazelnut. Rich open ground from Bay 

 County to St. Ignace and on Mackinac Island, Mackinac County. 

 Common. 



Ostrya virginiana (Mill) K. Koch. Ironwood. In rich woods with 

 other trees from Bay County to St. Ignace and on Mackinac Island, 

 Mackinac County. Plentiful. 



Carpinus caroliniana Walt. Blue beech. Noticed only in Bay and 

 Arenac counties, in rich woods with other trees. Frequent. 



Betula lutea Michx. f. Yellow birch. Rich ground usually with beech 

 and sugar maple from Bay County to St. Ignace and on Mackinac 

 Island where fine specimens of this species now exist. Betula lenta L., 

 cherry birch, was not noticed. 



Betula alba papyrifera (Marsh.) Spach. White birch. Dryish ground 

 with other trees from Bay County to St. Ignace and on Mackinac Island, 

 Mackinac County. Often abundant on burnt-over ground and fre- 

 quently mingled with beech maple and j^ellow birch. 



Betula pumilali. Low birch. In low swampy open ground. Frequent 

 throughout. 



Alnus incana (L.) Moench. Speckled alder. In low wet ground from 

 Bay County to St. Ignace and on Mackinac Island, Mackinac County. 

 Abundant. 



FAGACEAE. Beech Family 



Fagus grandifolia Ehrh. Beech. With sugar maple and yellow birch 

 forming hardwood forests from Bay County to St. Ignace and on Macki- 

 nac Island, Mackinac County. Formerly abundant in spots and streaks, 

 now much reduced by lumbering. 



Quercus alba L. White oak. Found from Bay County to a point just 

 south of Harrisville in Alcona County, and not noticed farther north 

 near the Lake Huron shore. Frequent on the Michigan divide. Noticed 

 near Mullet Lake in Chebo3 r gan County, also near Lewiston, Mont- 

 morency County, where it is plentiful. 



