IOWA ACADEMY OF SCIENCE 
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Pearson, K. Variation and Correlation in the Lesser Celandine from di- 
verse Localities. Biometrica, 2: 145-164. ’OS. 
Shull, G. H. A Quantitative Study of Variation in the Bracts, Rays and 
Disc Florets of Aster shortii , A. novae-anilgae, A. puniceus , and A. prenan- 
thoides , from Yellow Springs, Ohio. Amer. Nat., 36: 111-152. ’02. 
Tower, W. L. Variation in the Ray Flowers of Chrysanthemum leucanthe- 
mum at Yellow Springs, Ohio. Biometrica. 1 : 309-315. ’02. 
Wilcox, E. M. Numerical Variation of the Ray Flowers of Compositae. Bot. 
Gazette, 33: 463-465. June, ’02. 
Yule, G. U. Variation of the Number of Sepals in Anemone nemerosa. 
Biometrica, 1: 307-309. Apr., ’02. 
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