Pi^ANTs OF Marquette County 21 



FAGACEAE 



Quercus rubra L. Red Oak.— A large forest tree sometimes 140 feet 

 high and 7 feet in diameter, the species is dwarfed on Huron Mountain and 

 other rocky hills near Huron Mountain Club. Seldom abundant but to be 

 found throughout with other trees in dry or damp rich ground. 



Quercus rubra ambigua (Michx. f.) Fernald. (Q. borcalis Michx. f.). 

 Gray Oak, Northern Red Oak. — A few trees noted northwest of Marquette 

 were thought to be this variety. According to systematists it is very close to 

 the preceding and cannot be distinguished from it without perfect fruit and 

 even then it is often very doubtful. Also thought to be on Grand Island, 

 Alger County. 



URTICACEAE 



Uhnus americana L. American Elm. — With other trees near Huron 

 Mountain Club and throughout the county, along streams and in hardwoods. 



Cannabis sativa L. Hemp. — Frequent about cities and villages through- 

 out, persisting at least for a few years. 



Humulus Lupulus L. Common Hop, Hops. — Common along banks of 

 Salmon Trout River near Huron Mountain Club. Also noted on rocky 

 hluffs at Marquette. I'erhaps frequent throughout. 



Urtica gracilis Ait. Slender Nettle. — Damp open or shaded ground 

 about Marquette. Frequent throughout. 



Laportea canadensis (L.) Gaud. (Urticastrum divaricaturn L., Kuntze). 

 Wood Nettle. — Open rich woods near Huron Mountain Club. Probably 

 frequent throughout. 



SANTAEACEAE 



Comandra Richardsiana Fernald. Richards' Toad-flax. — Dry open or 

 partially shaded groimd near Huron Mountain Club. Frequent throughout. 



ARISTOLOCITIACEAE 



Asarum canadense L. Wild Ginger. — Rich shaded ground near Mar- 

 quette. In herbarium of Miss Nellie M. Fairbanks at Marquette. Said to 

 be frequent. 



POI,YGONACEAE 



Rumex Britannica L. Great W^ater Dock. — Wet and swampy open places 

 near Huron Mountain Club. Frequent throughout. 



Rumex crispus L. Yellow Dock, Curled Dock. — In fields and on road- 

 sides as a weed. Common throughout. 



Rumex mexicanns Meisn. Willow-leaved Dock. — In rich dry sandy 

 ground about Marquette and at Big Bay. Probably frequent throughout. 



Rumex obtusif alius L. Broad-leaved Dock, Bitter Dock. — In fields, pas- 

 tures, on roadsides and a common weed in waste places. Plentiful through- 

 out. 



Rv.mex Acetosdla L. Field Sorrel. — A common weed in fields and waste 

 places. 



