SUB-CLASS II. DiCUTYLEDONES. 195 
Viola papilionacea Pursh. (V. palmata var. cucullata Gray:) 
Common Blue Violet. Common, usually in thickets or along 
borders, sometimes in open places. Decorah (Savage), ete. 
Viola scabriuscula (T. & G. ) Schwein. (V. pubescens var. 
scabriuscula IT. & G.) Common Yellow Violet. Common in 
rich alluvial woods. Hesper, ete. 
Viola canadensis L. Canada Violet. Locally common in rich 
woods, especially on lower banks and slopes. Hesper. 
Order 17. Thymelales. 
amily Thymeleacee. 
Dirca palustris L: Leatherwood. Rare and local. Canoe 
creek.. 
Order 18. Myrtales. 
Family Onagracee. 
Ludwigia polycarpa Short & Peter. Many-fruited Ludwigia. 
Locally common in wet grounds, often in water. Ft. Atkinson. 
Chamaenerion angustifolium (L.) Scop. (E'pilobium angusti- 
folium L.) Great Willow-herb. Locally common in dry open 
places. Calmar, Moneek. 
Epilobium coloratum Muhl. Purple-leaved Willow-herb. 
Common in swampy grounds. Ft. Atkinson. 
Epilobium adenocaulon Haussk. Northern Willow-herb. In 
wet grounds. Rather common. Decorah. 
Onagra biennis (L.) Scop. (Enothera biennis L.) Common 
Evening Primrose. In dry soils and waste places. Common, 
often a weed. Ft. Atkinson, Calmar, etc. 
Meliolia serrulata (Nutt.) Walp. (Enothera serrulata Nutt.) 
In dry places. (Fitzpatrick.) 
Gaura parviflora Dougl. Small-flowered Gaura. Not rare, 
in dry soils. Ft. Atkinson. 
Circaea lutetiana L. Enchanter’s Nightshade. Common in 
deep woods. Hesper, etc. _ 
Circaea alpina L. Smaller Enchanter’s Nightshade. In deep 
woods. Not common. Decorah (Goddard), Canoe creek. 
Order 19. Umbellales. 
Family 1 Araliacce 
Aralia racemosa L. American Spikenard. Not rare, in deep 
upland woods. Decorah. 
Aralia nudicaulis L. Wild Sarsaparilla. Common on rocky, 
well-shaded banks. Decorah (Savage), etc. 
