SUB-CLASS II. DICOTYLEDOMES. , 193 



Family 4 . Aceracea:. 



Acer saccharinum L. (A. dasycarpum Ehrh.) Soft Maple. 

 Common on alluvial grounds. Kendallville. Observed at Canoe 

 creek, Decorah, Ft. Atkinson and Bluff ten. 



Acer saccharum Marsh. {A. sacctiarinum Wang.) Hard 

 Maple. Very common in upland woods, and on bluffs. Decorah. 

 Observed at all stations excepting Calmar and Moneek. 



Acer negundo L. (Negundo aceroides Moench.) Box Elder. 

 Common, especially in alluvial soils. Decorah (Savage), Cal- 

 mar. Observed at all the stations. 



/ a milyj. Ba Isa minacfot. 



impatiens biflora Walt. (/. fulva Nutt.) Spotted Touch-me- 

 not. In moist grounds. Locally common. Ft. Atkinson, Hes- 

 per. 



Impatiens aurea Muhl. (/. pallida Nutt.) Pale Touch-me- 

 not. In moist places, but rather less common than the preced- 

 ing. Decorah (Savage). 



Order 14. Rhamnales. 

 family 1. Rhamnaace. 



Ceanothus americanus L. New Jersey Tea. Common on dry 

 prairies and ridges. Decorah, Calmar. Also observed at the 

 north fork of Bear creek, Canoe creek, Bluffton and Kendall- 

 ville. 



Ceanothus ovatus pubescens T. & G. (The variety is not men- 

 tioned in Gray.) Downy Red-root. Rare. On dry prairie rid- 

 ges at Decorah. 



family 2. Vttaccce. 



Vitis vulpina L. (V. riparia Michx.) Common Wild Grape. 

 Very common along streams and ascending slopes. Decorah 

 (Savage), Calmar. Also observed at all the other stations. 



Parthenocissus quinquefulia (L.) Planch. (Ampelopsis quin- 

 quefolia Michx.) Virginia Creeper. Very common in thickets 

 and deep woods. Calmar. Observed at all the other stations. 



