Annals 
of the 
Missouri Botanical Garden 
A quarterly journal, published by the Board of Trustees of the 
Missouri Botanical Garden, containing scientific contributions from the 
Missouri Botanical Garden and the Graduate Laboratory of the Henry 
Shaw School of Botany of Washington University in affiliation with 
the Missouri Botanical Garden. 
Editorial Committee 
G. T. Moore B. M. Duggar 
J. R. Schramm 
The Annals of the Missouri Botanical Garden appears four times 
during the calendar year, February, April, September, and November 
Four numbers constitute a volume. 
Subscription price, fe.oo per volume 
The publication of the Annals of the Missouri Botanical Garden 
was begun January, 1914, and the completed volume (1914) may be 
had, unbound, at the regular subscription price. 
Contents of Volume i, 1914 (432 pages) 
No. 1 No. 3 
Descriptions of North American Senecioneae. 
J. M. Greenman. 
A study of the physiological relations of Sclero- 
tinia cinerea. J. S. Cooley. 
The Thelephoraceae of North America. II. 
Craterellus. E. A. Burt. 
The effects of surface films upon the rate of trans- 
piration : experiments with potted potatoes. 
B. M. Duggar and J. S. Cooley. 
No. 4 
The Thelephoraceae of North America. III. 
Craterellus borealis and Cyphella. 
E. A. Burt. 
Some Oenotheras from Cheshire and Lancashire. 
R. R. Gates. 
A Texan species of Megapterium. R. R. Gates. 
Diagnoses of flowering plants, chiefly from the 
southwestern United States and Mexico. 
J. M. Greenman and C. H. Thompson. 
Enzyme action in Fucus vesiculosus L. 
B. M. Duggar and A. R. Davis. 
Address all communications to the Missouri Botanical Garden, St. Louis, Mo. 
The effect of surface films and dusts on the rate of 
transpiration. B. M. Duggar and J. S. Cooley. 
Some pure culture methods in the algae. 
J. R. Schramm. 
The identification of the most characteristic sali- 
vary organism and its relation to the pollution 
of air. A. G. Nolte. 
The Polyporaceae of Ohio. L. O. Overholts. 
No, 2 
A contribution to our knowledge of the relation 
of certain species of grass-green algae to ele- 
mentary nitrogen. J. R. Schramm. 
The Thelephoraceae of North America, I. 
E. A. Burt. 
Indications regarding the source of combined 
nitrogen for Ulva Lactuca. G. L. Foster, 
The effect of certain conditions upon the acidity 
of tomato fruits. 
B. M. Duggar and M. C. Merrill. 
A method for the differential staining of fungous 
and host cells. R. E. Vaughan. 
Two trunk diseases of the mesquite. 
H. von Schrenk. 
A trunk disease of the lilac. H. von Schrenk. 
