MICHIGAN FLORA. 



7? 



Clayton ii, Tuckerman. 



Ionia Co. (!); Macomb Co.— Dr. D. Coolcy; Fruitport— E. J. Hill. 



lateralis, Morong. 



Bear Lake, Van Buren Co.— E. J. Hill. 



Spirillus, Tuckennan. U. P. 



"Lake Superior"— Gray's Manual. 



hybridus, Michx. 



Dr. A. B. Lyons. 



rufescens, Schrader. Th. 



Mud Lake and Bear River, Petoskey— E. J. Hill. 



lonchites, Tuckerman. 



Hubbardston (!); Macomb Co. 



amplifo-lius, Tuckerman. 



Maple River (!); Macomb Co.; Perc Marquette River at Liulington 

 Hill. 



o. & s. 



n frequent. 



i.. ; 



graininifolius, Fries. 



gramineus, L., var 



Bear Lake, Van Buren Co.-E. J. Hill. 



gramineus, L., var. heterophyllus, Fries. Th. 



Woodard Lake, Ionia Co. (!); Flint; Macomb Co.; and northward. 



lucens, L. 



Muskegon River, near Houghton Lake (!); Flint; S. Mich.— Wright Oat 



zizii, Solium. 



Crystal Lake, near Frankfort, and Bear Lake, Manistee Co.— E. J. Hill 

 Crystal Lake, Montcalm Co. (!); and Woodard Lake, Ionia Co. (!). 



prrelongus, Wulfen. Th. 



Maple River (!), etc. Common. 



perfoliatus, L. 



Maple River (!), etc. 



perfoliatus, L., var. lanceolatus, Robbins. 



Little Traverse Bay, etc.; "Along the Great Lakes"— Gray. 



zosterrefolius, Sch. 



Maple River and its tributaries (!), etc. 



obtusifolius, Mertens & Koch. 



"Floating in Gratiot Lake, N. Mich."— Gray's Manual. 



pauciflorus, Pursh. 



Hubbardston (!); Grand Rapids ( 

 pusillus, L. 

 Manistee Lake— E. J. Hill. 



pusillus, L-, var. major, Fries. 



Crooked River, Chebovgan Co., and common at Manistee and Frankfort— 

 E. J. Hill. 



pectinatus, L. *■»• 



Fish Creek, Hubbardston (!). Frequent 



marinus, L. 



Crystal Lake, near Frankfort, Benzie Co.-E. J. Hill. B 

 termined bv E. J. Hill, of Engelwood, Illinois, whose knowledge ol this 



difficult genus is well known. 



Th. 

 ( lonunon. 



Th. 



Common. 



Flint; Macomb Co. 



Th. 



and northward. 



Arrow-grass. 



ALISMAOB^J. 



( Water-Plantain Family.) 



TKIGLOCHIN 



1109. palustre, L. 



Marshes. 



Th. 



Frequent. 



