MISSOURI BOTANICAL GARDEN BULLETIN 15 
Through a satisfactory exchange arrangement, J. S. 
Cooley continued his researches during the summer in the 
Department of Plant Pathology, at the University of Wis- 
consin ; and during the first term of 1913-1914 the privileges 
of the graduate laboratory have been extended to R. L. 
Vaughn, at present Fellow at the University of Wisconsin. 
Publications and Papers—The following papers, by mem- 
bers of the staff or students, have appeared since the publi- 
cation of the last report: 
fore Geo. T., “Microorganisms of the Soil.” Science, 
Moore, Geo. T. (with Leo Loeb and M. S. Fleisher), 
“Ueber das Vorkommen von Hefen in menschlichen Tu- 
moren, mit Versuchen ueber das Wachsthum einer patho- 
ae Hefe im Tierkérper.” Centralblatt fiir Bakteriologie, 
Moore, Geo. T. (with Leo Loeb and M. S. Fleisher), 
“Ueber das kombinierte Wachsthum tierischen Gewebes und 
einer Hefe im Blutkoagulum in Vitro.” Centralblatt fir 
Bakteriologie, 1913. 
Moore, Geo. T., “Taxonomy and Economic Botany.” 
American Year Book, 1912. 
Duggar, B. M., “Lycopersicin, the Red Pigment of the 
Tomato, and the Effects of Conditions upon its Develop- 
ment.” Washington University Studies, 1913. 
Duggar, B. M., “Physiology and Ecology.” American 
Year Book, 1912. 
Greenman, J. M., ‘““A New Senecio from Cuba.” Torreya, 
1913. 
Hill, Geo. R., Jr.,. “ iration of Fruits and Growing 
Plant Tissues in Certain Gases, with Reference to Ventila- 
tion and Fruit Storage.”” Cornell Univ. Agricultural Experi- 
ment Station Bulletin, 1913. 
Hill, Geo. R., Jr., “Relation of Ventilation to the Keeping 
Qualities of Fruits and Vegetables.” Washington Univer- 
sity Studies, 1913. 
Thompson, C. H., “Ornamental Cacti, Their Culture and 
Decorative Value.” U.S. Dept. Agr., Bureau Plant Industry 
Bulletin, 1912. ; 
Spargo, Mildred W., “The Genus Chlamydomonas.” 
Woohoo University Studies, 1913. 
