8 
Vern E. Whitney, Ames, Chemistry; Samuel Wifvat, Des 
Moines, Physics; Louisa Wilken, Iowa City, Medicine; Mabel 
C. Williams, Iowa City, Psychology; Guy West Wilson, Ipwa 
City, Botany; C. S. Woods, Iowa City, Medicine and Hygiene; 
R. B. Wylie, Iowa City, Botany. 
PROGRAM. 
The Academy held its meetings in Room 301, Hall of Physics, 
beginning at 1 :30 p. m., Friday, April 30, 1915. Academy head- 
quarters were the Electrical Laboratory, first floor. Hall of 
Physics. The Iowa Section, American Chemical Society, had 
headquarters in the Hall of Physics, and met Saturday forenoon. 
Professor Ellery W. Davis of the Department of Mathematics, 
University of Nebraska, gave the Annual Address at 8 :15 p. m., 
Friday, on the subject ‘‘Uncertainties.” The lecture was given 
in the Auditorium, Hall of Natural Science. 
Dean Stanton Ford of the University of Minnesota lectured on 
“The Present Situation of University Research in this Country” 
in the Auditorium of the Hall of Liberal Arts, Friday at 7 :30 
p. m. 
TITLES OF PAPERS RECEIVED. 
An Anomalous Hickory-nut ] 
An Exobasidium on Armillaria IGuy West Wilson 
The Role of Soil Fungi J 
The Forest and Shrub Flora of Western Iowa 
L. H. Pammel, G. B. MacDonald and H. B. Clark 
The Weed Flora of the Lake Superior Region Compared with 
the Weed Flora of Iowa L. H. Pammel 
Some Comparative Germination Tests of Sweet Clover H. S. Doty 
The Flora of the Ledges, Boone County, Iowa 
Wm. Diehl, Presented by L. H. Pammel 
Flora of the Rainy River Region, Minnesota Harriette S. Kellogg 
Economic Seaweeds of Alaska u w^riio 
A Hybrid Ragweed ^ nooert a. wyne 
The Distribution of Forest and Prairie in the] 
Lake Region of Iowa | 
The Lichen Flora of the Prairies of Northwestern }- B. Shimek 
Iowa 1 
Early Iowa Locality Records J 
The Ecological Histology of Certain Prairie Plants Ella Shimek 
The Index of Foliar Transforming Power as an Indicator of Per- 
manent Wilting of Plants A. L. Bakke 
Preliminary Notes on Nectar Production L. A. Kenoyer 
Flora of the East Slope of the Cascade Mountains in Crook County, 
Oregon Morton E. Peck 
Pioneer Plants of a New Levee 
Frank A. Thone, Introduced by H. S. Conard 
