178 FLORA OF WINNESHIEK COUNTY. 
Order 4. Urticales. 
Family 1. Ulmacee. 
Ulmus americana L. White Elm. Common in alluvial woods. 
Decorah, north fork of Bear creek. Observed at all the stations. 
Ulmus racemosa Thomas. Cork Elm. Rather common, on 
rocky slopes. Canoe creek, north fork of Bear creek. Observed 
at Highlandville and Bluffton. | 
Ulmus fulva Michx. Red Elm; Slippery Elm. Common in 
upland woods. Decorah, Kendallville. 
Celtis crassifolia Lam. (C. occidentalis L., in part.) Hack- 
berry. Rather common, often on higher grounds. Decorah. 
Observed at Bluffton and Kendallville. 
Family 2. Moraceae. 
Cannabis sativa L. Hemp. Common in waste places. Intro- 
duced. Ft. Atkinson, etc. 
Family 3. Urticacee. 
Urtica gracilis Ait. Slender Nettle. Common in rather dry 
places. Canoe creek, Calmar. 
Urticastrum divaricatum (L.) Kuntze. (Laportea canadensis 
Gaud.) Wood Nettle. Inrich woods. Common. Hesper, etc. 
Adicea pumila (L.) Ref. (Pilea pumila Gray.) Richweed. 
Low places, quite common. Hesper. 
Parietaria pennsylvanica Muhl. Pennsylvania Pellitory. Dry 
rocky banks. Locally common. Decorah. 
Order5 Santalales. 
Family Santalacee. 
Comandra umbellata (L.) Nutt. Bastard Toadflax. Locally 
common on dry hills and prairies. Decorah (Savage). 
Order6. Aristolochiales. 
Family Aristolochiacee. 
Asarum acuminatum (Ashe) Bick. (A. canadense L., in 
part.) Longtipped Wild Ginger. Common on shaded. mossy 
(rocky) banks. Decorah, Hesper. | 
Asarum reflecum Bick. (A. canadense L., in part.) Short- 
lobed Wild Ginger. Locally common in alluvial woods. De- 
corah. 
