THE BARBERRY IN IOWA 



231 



Agrostis alba, Phlcum pratcnsc. There was also some naturalized 

 Symphoricarpiis orbiculatns along the hedge and Smilax (Green 

 Brier). 



There are some rather large clumps of escaped barberry in this 

 wooded pasture (north side of Second Avenue and west of the build- 



PiG. 80. — Wild Barberry, Clinton. Barberry marked by dots. R. S. Kirby, 

 L. H. Pammel and C. M. King. 



ings belonging to the Spiritualists). One clump I found may have 

 been twenty to twenty-five years old. On one of the larger of the 

 stalks, one and one-half inches in diameter, I counted fourteen 

 annual rings. Two of the others were between ten and • fifteen 

 years old. The larger clump had a large number of young seedlings 

 from one to three years old under the tree. The large wild bar- 

 berry had an abundance of fruit, about 5,000 seeds. This plant 

 was about 450 feet from Second Avenue and about 200 feet from 



