SUB-CLASS II. DICOTYLEDONKS. 191 



Vicia satiya 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 I Took. 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. Qeraniales. 

 Family 1. (Jeraniacea:. 



Geranium maculatum L. Wild Crane's-bill. In upland woods. 

 Decorah (Savage). 



Family 2. Oxalidacea: . 



Oxalis violacea L. Violet Wood-sorrel. Not rare, in sandy 

 and rocky places. (Fitzpatrick.) 



Oxalis stricta L. (0. corniculata var. stricta Sav.) A common 

 weed, in open places. Calmar, etc. 



Family j. Linacec?. 



Linum usitatissimum L. Flax. Escaped from cultivation, 

 chiefly along railway right-of-way. Ft. Atkinson, etc. 



Linum sulcatum Eiddell. Grooved Yellow Flax. Common, 

 in dry places. Hesper, Ft. Atkinson. 



Family 4 . Rutacea: . 



Xantlioxylum 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. Polygalacetz. 



Polygala rerticiUata L. Whorled Milkwort. In dry open 

 places. Not common. Ft. Atkinson. 



