240 BOTANICAL GAZETTE 
tions of living plants from which the descriptions will be drawn. 
is desired from all parts of the southwest, and the National Museum y 
furnish means for sending material to Washington. 
DovRING His visit to the United States, Professor Hees DeVriss has, 
compact and clear exposition of the mutation theory and the expe 
which it is based. At the University of Chicago, on September 
DeVriks delivered the convocation address, his subject being “ 
evolution,” and also received the honorary degree of LL.D. He i 
part in the ronal Congress of Arts and Sciences at St. Louis, $ 
19-25. 
THE PRIVATE HERBARIUM of Dr. JoHN K. SMALL consisting of 21, 
fully representing his collections in the southern United States, has 
acquired by the Field Columbian Museum. The ha also con! 
LE 
_Reyyotp’s Florida plants; Orcurr’s Lower California plants; Poets 
sylvania plants; SMALL and HELLER’s Pennsylvania, Tennessee, North 
and Virginia plants; and WitKrnson’s Mexican plants. 
