170 FLORA OF WINNESHIEK COUNTY. 
‘Carex cristatella Britt. (C. tribuloides var. cristata Bailey.) 
Crested Sedge. Frequent, in meadows and moist shaded places. 
Calmar. 
Carex tenera Dewey. (C. straminea var. aperta Boott.) 
Marsh Straw-sedge. Reported by Fitzpatrick. 
Carex festucacea Willd. (C. straminea var. brevior Dewey.) 
Fescue Sedge. Decorah (Goddard). 
Order 2.. Pandanales 
Family 1. Typhacee. 
coe latifolia L. Common Cat-tail. In swamps. . Not rare. 
Decorah (Cratty), Moneek. 
Family 2. Sparganiacece. 
' Sparganium eurycarpum Engelm. Common Bur-reed. In 
marshy places. Reported by Fitzpatrick. 
Order3, Naiadales. 
Family 1,. Naiadacee. 
‘.Potamogeton foliosus Raf. (P. pauciflorus Pursh.) Leafy 
Pondweed. Common in ponds. Ft. Atkinson. 
'.Potamogeton lonchites Tuck. (P. fluitans Roth.) Tona-lenved 
Pondweed. Upper Iowa river (Fitzpatrick). a 
Family 2, Alismacee. 
_ Alisma plantago- aquatica L. (A. plantago L.) Water-plan- 
tain. Common in shallow water or mud. Decorah (Cratty), 
Hesper. | 
_ Sagittaria latifolia Willd, (S. variabilis Engelm.) Broad- 
leaved Arrowhead. Common in mud and shallow water along 
ponds and sluggish streams. Decorah, Ft. Atkinson. 
Sagittaria rigida Pursh. (8. heterophylla Pursh.) Sessile- 
fruited Arrowhead. Reported by Fitzpatrick. 
Famtly 3. Vallisneriacea. 
Philotria canadensis. (Michx.) Britt. (Hlodea canadensis 
Michx.) Ditchmoss. Common in ponds. Decorah (Cratty). 
Vallisneria spiralis L. EHel-grass, In the Upper Iowa river. 
Bluffton (Cratty). 
Order é. Arales. 
Family 1. Avacee. Arums. 
Arisaema triphyllum (L.) Torr. Indian Turnip. Common 
in rich woods. Decorah (Savage, Cratty); Calmar. 
