1907] 
Check List of the Flora of Milwaukee County. 
TYPHACEC^. 
Typha latifolia L. Broad-leaved Cat tail. 
Locally common. 
SPARGANIACE^. 
Sparganium eurycarpum Engelm. Broad Fruited Bur-reed. 
Occasional throughout county. 
S. simplex Huds. Simple-stemmed Bur-reed. 
Along the Kinnickinnic River. 
NAIADACEv^:. 
Potamogeton natans L. Common Pondweed. 
Common. 
P. amplifolius Tuckerm. Large-leaved Pondw^eed. 
Collected in county by Dr. H. E. Hasse. 
P. Nuttallii Cham, and Sch. Nutall's Pondw^eed. 
Collected in county by Dr. H. E. Hasse. 
P. foliosus Eaf. Leafy Pondv^^eed. 
Not uncommon. 
P. diversifolius Raf. Eafinesque's Pondv^^eed. 
Collected in county by Dr. H. E. Hasse. 
P. pectinatus L. Fennel-leaved Pondweed. 
Reported by T. A, Bruhin from lake shore. 
JUNCAGINACE^. 
8CHE UCHZERIA CEAE. 
Triglochin palustris L. Marsh Arrov^-grass. 
Locally along lake shore north of city. Not common. 
ALISMACE.^. 
Aiisma Plantago=aquatica L. Water Plantain. 
Abundant. 
Sagittaria latifolia Willd. Broad-leaved Arrow^-head. 
Throughout county. Common. 
S. rigida Pursh. Sessile-fruited Arrow-head. 
Collected in county by Dr. H. E. Hasse. 
