12 MISSOURI BOTANICAL GARDEN BULLETIN 
Moore, G. T. ‘‘Botanical Participation in War Work.’’ 
Science, N. S., 1919. 
Moore, G. T., and Karrer, J. L. ‘‘A Subterranean Algal 
Flora.’’ Ann. Mo. Bot. Gard., 1919. 
Pring, G. H. ‘‘Aquatie Plants and Their Cultivation.’’ 
Aquatic Life, 1919. 
Pring, G. H. ‘‘Orchids of the Missouri Botanical Garden.’’ 
Gardeners’ Chron. of America, 1919. 
Schmitz, H. ‘‘Studies in the Physiology of the Fungi. VI. 
The Relation of Bacteria to Cellulose Fermentation Induced 
by Fungi, with Special Reference to the Decay of Wood.’’ 
Ann. Mo. Bot. Gard., 1919. 
Schmitz, H., and Zeller, S. M. ‘‘Studies in the Physiology 
of the Fungi. IX. Enzyme Action in Armillaria mellea 
Vahl, Daedalea confragosa (Bolt.) Fr., and Polyporus luci- 
dus (Leys.) Fr.’’ Ann. Mo. Bot. Gard., 1919. 
Webb, R. W. ‘‘Studies in the Physiology of the Fungi. X. 
Germination of the Spores of Certain Fungi in Relation to 
Hydrogen Ion Concentration.’’ Ann. Mo. Bot. Gard., 1919. 
Young, H. C. ‘‘Seed Disinfection for Pure Culture 
Work.’’ Ann. Mo. Bot. Gard., 1919. 
Zeller, S. M., and Dodge, C. W. ‘‘Arcangeliella, Gym- 
nomyces, and Macowanites in North Amerieca.’’ Ann. Mo. 
Bot. Gard., 1919. 
Zeller, S. M., and Schmitz, H. ‘‘Studies in the Physiology 
of the Fungi. VIII. Mixed Cultures.’’ Ann. Mo. Bot. 
Gard., 1919. 
Zeller, S. M., Schmitz, 1., and Duggar, B. M. ‘‘Studies in 
the Physiology of the Fungi. VII. Growth of Wood-De- 
stroying Fungi on Liquid Media.’’ Ann. Mo. Bot. Gard., 
1919. 
At the meeting of the American Association for the Ad- 
vancement of Science and affiliated societies held in St. Louis, 
December 29—January 1, the following papers were presented 
by members of the staff and graduate students: 
Duggar, B. M. ‘‘The Significance of Hydrogen Ion Con- 
centration and Other Factors in a Study of the Salt Require- 
ments of Higher Plants.’’ 
Duggar, B. M. ‘‘Mosaie Diseases—Progress in the Study 
of Causal Agents.’’ 
Grant, Adele Lewis. ‘‘ A Diseussion of the Genus Mimulus.”’ 
Matsumoto, Takashi. ‘‘Studies on Rhizoctonia.’’ 
Payson, E. B. ‘‘Geographical Distribution of the Genus 
Lesquerella.”’ 
