MISSOURI BOTANICAL GARDEN BULLETIN 17 
B. M. Duggar. The action of the salts of aluminum on 
lant growth and the ameliorating value of various nutrients. 
es nutrient relations as affecting the turgor of plant 
cells. 
J. M. Greenman. A monograph of the North American 
species of Senecio. Study of the material obtained by the 
collector and others with reference to the contemplated pub- 
lication of a flora of the Southwest. 
M. C. Merrill. Studies of the changes in solutions in 
which plants are growing, due to the action of anaesthetics 
and other factors. Some indications respecting the nature of 
distilled water injury to plants and the recovery therefrom. 
George T. Moore and J. R. Schramm. The precipitation 
of lime by algae and the bearing of this process upon traver- 
tine and other similar formations. A peculiar root nodule 
organism. New or little known algae. 
E. J. Palmer. A catalog of the plants of Jasper County, 
Missouri. 
J. R. Schramm. The relation of certain species of grass- 
green algae to elementary nitrogen in the presence of com- 
bined nitrogen. The nature of permeability in collodion 
membranes. 
H. von Schrenk. Investigation of the decay of wood. 
Tests as to the efficiency of various wood preservatives and 
fireproofing paints, the chief point under investigation deal- 
ing with the relationship between the chemical composition 
of the various preservatives and their effect on a number of 
the principal wood-destroying fungi. 
C. H. Thompson. A revision of the North American 
species of Scutellaria. A synoptical revision of the genus 
Schrankia. 
A. R. Davis. A general study of enzyme action in marine 
algae, or an endeavor to get indications regarding certain 
phases of the nutrition of these forms. 
M. R. Ensign. Physiological conditions affecting spore 
germination in mushrooms. 
G. W. Freiberg. Conditions affecting the inception of 
plant diseases. 
J. C. Gilman. A study of the biological relations of the 
yellows disease of cabbage. 
L. O. Overholts. A critical study of the polypores, especi- 
ally those of Missouri. This includes many of the more 
destructive of the timber-decay fungi. 
_R. A. Studhalter. The capacity of certain spores, especi- 
ally those of disease-producing fungi, to resist drying condi- 
tions. 
‘'S. M. Zeller. Relation of resins and other products in 
pine wood to the growth of destructive fungi in such timber. 
