818 Wisconsin Academy of Sciences, Arts, and Letters . 
Davis obtained in “Lake Shore woods, Racine Co.” 
Rot observed by the writer. 
184. Car ex tribuloides, Wahl. 
Common; meadows. 
185. Car ex tribuloides, Wahl., var. Bebbii, Bailey. 
Common; swamps and low meadows. 
186. Carex cristatella, Britton. (C. tribuloides, Wahl., var. 
cristata, Bailey) 
Frequent; in meadows and along roadsides. 
187. Carex straminea, Willd. 
Common; along roadsides and in dry soil. 
188. Carex festucacea, Willd. (C. straminea, Willd., var. 
brevior, Dewey) 
Occasional; open prairies. 
Arace^e. Arum Family. 
189. Arisaema triphyllum, Torr. Jack-in-the-Pulpit; Indian 
Turnip. 
Common; moist woods. Clustered berries beautiful 
in autumn. 
190. Arisaema Dracontium, Schott. Green Dragon; Dragon- 
root. 
Occasional; wet woods. 
191. Symplocarpus foetidus, Salisb. Skunk Cabbage. 
Frequent; wet soil, borders of streams and swamps. 
Our earliest spiring bloomer. 
192. Acorus Calamus, L. Sweet Flag. 
Occasional; swamps and stream borders. 
Lemnaceus. Duckweed Family. 
193. Spirodela polyrrhiza, Schleid. Duckweed. 
Common; in quiet waters throughout. Given in 
Swezey’s list as reported by W. A. Kellerman from 
Winnebago Co. only. Occurs abundantly throughout the 
state (Cheney). 
194. Lemna trisulca, L. Duckweed. 
Common; with the preceding. 
