904 The American Naturalist. [October,. 
The Erysiphex of North America, by B. T. Galloway. 
Some contributions to the life-history of Haematococcus, by L. R. 
Jones. 
Bacteriosis of Carnations, by Albert F. Woods. 
Wakker’s Hyacinth bacterium, by Erwin F. Smith. 
Notes on some new genera of fungi, by George F. Atkinson. 
Are the trees receding from the Nebraska plains?, by Charles E. 
Bessey. 
Reproductive organs and embryology of Drosera, by C. A. Peters. 
Development of some seed-coats, by J. O. Schlatterbeck. 
Contributions on the wild and cultivated roses of Wisconsin and 
neighboring States, by J. H. Schuette. 
Morphology of the flower of Asclepias cornuti by Fanny E. Lang- 
don, presented by V. M. Spalding. 
Comparison of the pollen of Pinus, Taxus and Peltandra, by George 
F. Atkinson. 
Some characteristics of the foothill vegetation of western Nebraska, 
by Charles E. Bessey. 
On the distribution of starch in woody stems, by B. Shimek. 
Mechanism of root-curvature, by J. B. Pollok, presented by V. M. 
Spalding. 
The toxic action of phenole in plants, by R. H. True and C. G. 
Hunkel. 
Cellulose ferment, by F. C. Newcombe. 
__ Is the characteristic acidity of certain species of the Arum family a 
mechanical or a physiological property or effect, by Charles P. Hart. 
How plants flee from their enemies, by W. J. Beal. 
Stomata on the bud-scales of Abies pectinata, by A. P. Anderson. 
Comparative anatomy of the normal and diseased organs of Abies 
balsamea affected with Aecidium elatinum, by A. P. Anderson. 
On a new and improved self-registering balance, by A. P. Anderson. 
Several other papers were presented, the titles of which were not 
obtained, and two hours were given to a joint session with the Zoologi- 
eal Section in the discussion of Organic Selection as presented by H. 
F. Osborn. 
In the Botanical Club, it was found on assembling, that President, 
Vice-President and Secretary were absent; accordingly J. J. Davis 
was elected President, and Albert F. Woods, Secretary. The follow- 
ing notes were presented : 
An epidemic of Erysiphe communis on Polygonum aviculare, by 
Charles E, Bessey, noting the universal presence of this parasite upon 
the host mentioned in eastern Nebraska in 1897. 
