K>) Tin: AMERICAN MIDLAND NATURALIST 



Vicia linearis (Nutt.) Greene. Narrow-leaved Vetch. 



Prairies and dry soil. Common. May 5. 

 Vicia villosa Roth. Hairy Vetch. 



Occasionally escaped from cultivation. 

 Laihyrus ornatus Nutt. Showy Vetchling. 



Manhattan. Occasional in sandy soil. May =,. 

 Falcata Pitcheri (T. & G.) Kuntze. Hog Peanut. 



Woods and thickets. Common. Aug. 10. 

 Apios Apios (LI.) MacM. Ground Nut. 



Manhattan. Occasional on wooded banks. Aug. 25. 

 Strophostylcs luivola (L.) Britton. Wild Bean. 



Dry soil along roadsides, etc. Common. July 15. 

 Strophostyles paucijiora (Benth.) S. Wats. 



Manhattan. In dry sandy soil. 



Geraniaceae. Geranium Family. 

 Geranium carolinianum L. Crane's bill. 



Dry fields and roadsides. Frequent. May j,s (- 1 : 1 

 Oxalidaceae. Wood Sorrel Family. 

 ( Kxalis violacea L. Violet Wood Sorrel. 



Prairies, hillsides, roadsides. Common. Apr. 20 (20). 

 ( Kxalis stricta L. Yellow Wood Sorrel. 



Dry fields and waste places. Common. Apr. 25 (23). 

 O.xalis cymosa Small. Tall Yellow Wood Sorrel. 



Woods, thickets and low grounds. May 25. 

 Linaceae. Flax Family. 

 Linum usitatissimum L. Flax. 



Occasional along railroad tracks. 

 I. ilium sulcatum Riddel. Yellow Wild Flax. 



Prairies and hillsides. Common. June 30. 

 Rutaceae. Rue Family. 

 Xanthoxylum americanum Mill. Prickly Ash. 



Woods and thickets. Common. Apr. 5 (4). 

 Simarubiaceae. Alianthus Family, 

 Ailanthus glandulosa Desf. Tree of Heaven. Ailanthus. 



Planted and escaped at Manhattan. June 5. 

 Polygalaceae. Milkwort Family. 

 Polygala vcrticillata L. Whorled Milkwort. 

 Dry roadsides and hillsides. Frequent, 



