MISSOURI BOTANICAL GARDEN BULLETIN 11 
ence to the effects of various temperatures upon the forma- 
tion of glucose from starch by the action of diastase”’; Alice 
Pickel, thesis, ‘A taxonomic study of the genus Tetradymia”’ ; 
and R. A. Studhalter, thesis, “The factors involved in the 
dissemination of the chestnut bark disease.” 
Publications and Papers.—There are given below a list 
of the more important papers published during the year as 
a result of investigations and observations made in the lab- 
oratories, herbarium and Garden. This list does not include 
many briefer popular discussions, articles which have ap- 
peared in the BuLiErin, and abstracts in scientific journals. 
Bryan, Mary M. “A Spurless Variety of Habenaria 
psycodes.” Ann. Mo. Bot. Gard., 1917. 
Burt, E. A. “Merulius in North America.” Ann. Mo. 
Bot. Gard., 1917. 
Burt, E. A. “Odontia Sacchari and O. saccharicola, New 
Species on Sugar Cane.” Ann. Mo. Bot. Gard., 1917. 
Burt, E. A. “The Thelephoraceae of North America. 
VIII.” Ann. Mo. Bot. Gard., 1917. 
Dugger, B. M., Severy, J. W., and Schmitz, H. “Studies 
in the Physiology of the Fungi. IV. The Growth of Certain 
Fungi in Plant Decoctions.” Ann. Mo. Bot. Gard, 1917. 
Duggar, B. M., Severy, J. W., and Schmitz, H. “Studies 
in the Physiology of the Fungi. V. The Growth of Certain 
- Fungi in Plant Decoctions.” Ann. Mo. Bot. Gard., 1917. 
Duggar, B. M. “Botany.” American Year Book, 1916. 
Freiberg, G. W. “Studies in the Mosaic Diseases of 
Art League Bull., 1917. 
Pring, G. H. “Hybrid Nymphaeas.” Ann. Mo. Bot. 
Gard., 1917. 
Zeller, S. M. “Studies in the Physiology of the oe oi 
III. Physical Properties of Wood in Relation to Decay In- 
