16 BOTANY OF MICHIGAN 



following list of plants covers the region above mentioned. Vegetation 

 from the south line of Huron County to the south state -line has also 

 been examined as well as might be but observations covering that part 

 are reserved for another report. To indicate what has been attempted 

 about the Great Lakes it may be observed here also that the plants of 

 Lambton County, Ontario (the county in Ontario lying opposite St. 

 Clair County, Michigan) have been catalogued and published. 1 Re- 

 search has been carried as far as Bruce County and Georgian Bay, in 

 Ontario. And investigations have been made in Ontario south along 

 St. Clair River around Lake St. Clair to Detroit River, along that river 

 to Lake Erie and east on the north shore of Lake Erie to Point Pelee 

 including Pelee Island in Lake Erie. In 1910-11, Essex County, Ontario, 

 opposite Wayne County, Michigan, was examined, plants listed and a 

 report made which was published by the Dominion Government of 

 Ontario. 2 



Lake Huron Shore 



The distance from Linwood Park in Bay Count}' along the Lake 

 Huron shore to Mackinaw City is approximately 200 miles. A full 

 description here will not be attempted, general features only being men- 

 tioned. From Bay City around to Au Gres in Arenac County the shore 

 of Saginaw Bay is very low, and the land back of it is very low, flat, and 

 difficult to drain. The Bay is shallow for a long distance out and much 

 obscured by a dense growth of water loving plants. From Au Gres to 

 Mackinaw City the beach is generally sandy, but occasionally backed 

 by a bluff or sand ridge as below and above Harrisville. The rock out- 

 croppings are comparatively few. There are quarries at Alpena and 

 near Rogers. 



Some Land and Surface Features 



The land in Bay and Arenac counties is generally very flat, and was 

 formerly covered mostly with a dense growth of elm, red maple, ash, and 

 mountain maple. In Ogemaw, Oscoda, Montmorency and Presque Isle 

 counties there is much hilly and rough country. About Rose City, 

 Ogemaw County, the hills are covered with hardwoods and the soil 

 good. Jack pine plains, swamps, and marshy areas are frequent as 

 are ponds and small lakes. Small hardwood tracts and streaks were 

 noticed throughout. Evidence of destructive and devastating forest 

 fires were seen throughout. There are thousands of acres of dead 

 standing and fallen timbers yet to be seen. The complete destruction 

 by an invading forest fire of the villages of Au Sable and Oscoda, Iosco 

 County, in 1911 was still prominently in evidence June 23, 1912. 



!The Flowering Plants, Ferns and Fern Allies Growing without Cultivation in Lambton Co., 

 Ontario. Sixteenth Annual Report Michigan Academy of Science, p 132. 



2 Annoted List of Flowering Plants and Ferns of Point Pelee, Ontario and Neighboring Dis- 

 tricts by C. K. Dodge. Canada, Department of Alines, Geological Survey. 



