60 MISSOURI BOTANICAL GARDEN BULLETIN 
All of the lectures in the spring series of the Washington 
University Lecture Course have been delivered: On April 
13, Dr. George T. Moore, Director of the Garden, spoke on 
“Edible and Poisonous Mushrooms”; on April 20, Dr. B. M. 
Duggar, Physiologist to the Garden, spoke on “Mushroom 
Growing an Truffle Hunting’; and on April 27, Dr. J. M. 
Greenman, Curator of the Herbarium, delivered the conclud- 
ing lecture, his subject being ‘““Our Native Wild Flowers.” 
The first number of the “Annals of the Missouri Botanical 
Garden” appeared in March. As stated on the cover, this 
publication is “A Quarterly Journal containing Scientific 
Contributions from the Missouri Botanical Garden and the 
Graduate Laboratory and Faculty of the Henry Shaw 
School of Botany of behengt sees University in affiliation 
with the Missouri Botanical Garden.” In the introduction 
it is explained that the volume hitherto known as the 
“Annual Report’? and published each year from 1890 to 
1912, has been discontinued. Scientific papers, which for- 
merly constituted so large a part of the volume, are now 
printed in the Annats; and the Reports of the Officers 
of the Board of Trustees and of the Director, formerly also 
published in the Annual Report, now appear in the January 
number of the Buttery. Besides the introduction, the 
first number contains four scientific articles, as follows: 
“The Effect of Surface Films and Dusts on the Rate of 
Transpiration. B. M. Duggar, Physiologist to the 
Garden,and J. 8. Cooley, Rufus J. Lackland Fellow 
in Botany. 
“Some Pure Culture Methods in: the Algae.” Jacob R. 
Schramm, Assistant to the Director. 
“The Identification of the Most Characteristic Salivary 
Organism and its Relation to the Pollution of Air.” 
Pps G. Nolte, Late Graduate Student at the 
arden. 
“The Polyporaceae of Ohio.” L. O. Overholts, Rufus J. 
Lackland Fellow in Botany. 
