SUB-CLASS II. DICOTYLEDONES. 191 
Vicia satwa L. Common Vetch. Introduced, in waste places. 
Calmar. 
Vicia angustifolia Roth. Smaller Common Vetch. Intro- 
duced. Fitzpatrick reports one specimen. 
Lathyrus venosus Muhl. Veiny Pea. In rich, rather moist, 
open places. Not frequent. Calmar. 
Lathyrus ochroleucus Hook. Cream-colored Vetchling. On 
hillsides. Not common. Decorah (Goddard). 
Falcata comosa (L.) Kuntze. (Amphicarpaea monoica 
Nutt.) Hog Pea-nut. Not rare, in woods. Ft. Atkinson. 
Falcata pitcheri (T. & G.) Kuntze. (Amphicarpaea pitcheri 
T.&G.) Pitcher’s Hog Pea-nut. More common than the pre- 
ceding, and in similar places. Hesper; Decorah (Goddard). 
Apios apios (L.) MacM. (A. tuberosa Moench.) Ground-nut. 
Not rare, in rather moist grounds. Calmar, Hesper. 
Order 12. Geraniales. 
Family 1. Geraniacee. 
Geranium maculatum L. Wild Crane’s-bill. In upland woods. 
Decorah (Savage). 
Family 2. Oxalidacee. 
Oxalis violacea L. Violet Wood-sorrel. Not rare, in sandy 
and rocky places. (Fitzpatrick.) 
Oxalis stricta L. (O. corniculata var. stricta Sav. ) A common 
weed, in open places. Calmar, ete. 
Family 3. Linacee. 
Linum usitatissimum L. Flax. Escaped from cultivation,. 
chiefly along railway right-of-way. Ft. Atkinson, ete. 
Linum sulcatum Riddell. Grooved Yellow Flax. Common, 
in dry places. Hesper, Ft. Atkinson. 
Family 4. Rutacee. 
Xanthoxylum americanum Mill. Prickly Ash. Common, in 
thickets and on rocky banks. Decorah (Savage), Highlandville. 
Also observed at Canoe creek, both forks of Bear creek, and 
Bluffton. 
Family 5, Polygalacee. 
Polygala verticillata L. Whorled Milkwort. In dry open 
places. Not common. Ft. Atkinson. 
