SHORE OF LAKE HUROX Cl 



open or on borders of woods and on low ground with other trees. Noticed 

 throughout. Frequent. 



Fraxinus pennsylvanica lanceolata (Borkh.) Sarg. Green ash. Damp 

 ground with other trees and along streams. Occasional throughout. 



Fraxinus nigra Marsh. Black ash. In low wet ground from Bay 

 County to St. Ignace, Mackinac County. Before the forest fires it was 

 very abundant in swamps and with other trees in thick woods. Also 

 along low banks of streams. 



Syringa vulgaris L. Common lilac. Near Alpena as an escape from 

 cultivation. 



GENTIANACEAE. Gentian Family 



Gentiana crinita Froel. Fringed gentian. On Mackinac Island as 

 reported by Whitney. Not noticed in 1912. 



Gentiana procera Holm. Smaller fringed gentian. Abundant on low 

 damp ground at St. Ignace and on Mackinac Island. 



Gentiana linearis latifolia Gray. (G. grayi Kusnezaw) Gray's gentian. 

 Wet marshy open ground near St. Ignace and on Bois Blanc Island, 

 Mackinac County. Plentiful. 



Helenia deflexa (Sm.) Griseb. Spurred gentian. Damp shaded ground 

 from Bay County to St. Ignace, Mackinac County. Plentiful. 



Menyantlies trifoliata L. Buckbean. In bogs and shallow water from 

 Bay County to St. Ignace, Mackinac County. Frequent. 



APOCYNACEAE. Dogbane Family 



Vinca minor L. Common periwinkle. In and near the cemetery, 

 Mackinac Island. Apparent ly a permanent escape. 



Apocynum androsaemifolium L. Spreading dogbane. Dry open 

 ground throughout. Frequent. 



Apocynum cannabinum L. Indian hemp. Damp open ground from 

 Bay County to Bois Blanc Island, Mackinac County. Plentiful. 



• Apocynum cannabinum hypericifolium (Ait.) Gray. Clasping-leaved 

 dogbane. Damp open ground in Bay and Arenac Counties. Plentiful. 



ASCLEPIADACEAE. Milkweed Family 



Asclepias incarnata, L. Swamp milkweed. Damp open ground from 

 Bay County to St. Ignace, Mackinac County. Infrequent. 



Asclepias syriaca L. Common milkweed. In sandy open ground 

 throughout but seldom abundant. Apparently infrequent northward. 



Asclepias phytolaccoides Pursh. Poke milkweed. In moist shaded or 

 open ground near Rogers in Presque Isle County. Apparently infre- 

 quent. 



