1915] 
Proceedings 
181 
Mr. Russel was appointed by President Barth as the other member of this 
committee. 
The lecture for the evening was given by Prof. R. H. Denniston of the 
University of Wisconsin, on the subject “Our Native Trees. ” 
Under each form he gave the more interesting and characteristic fea- 
tures. He called attention to the scarcity of the Chestnut Oak and the 
finding of this species at Bridgeport, Wis. Hill’s Oak, a member of the 
Black Oak Group, is a new form. The Sassafras was given as one of the 
most important of the recent finds. It was found at Bridgeport. 
During the discussion that followed the lecture it was developed that 
very little is being done to conserve the broad-leaved trees. The lecture 
was profusely illustrated by stereopticon slides loaned by the courtesy of 
the Education Department of the Public Museum. 
The question of intergradation as a cause of the diversity in the form of 
the leaves on the same tree was called up by Mr. H. Russel. 
A vote of thanks was tendered to Professor Denniston for his interesting 
and instructive lecture. 
On motion the meeting adjourned. 
February 11, 1915. 
Meeting called to order by President Barth. 
Minutes of previous meeting read, and after correction suggested by 
Mr. H. L. Ward were approved. 
Program of the evening opened by Mr. Monroe who gave a very interest- 
ing and instructive talk on Asters as Illustrating the Subject of Species. 
The facts presented to illustrate the theory that species are not con- 
stant but are susceptible to change, also that there are now species in proc- 
ess of formation which in time may become fixed as species as has occurred 
in the past. 
Mr. Heddle followed with an extended discussion of the Flora of Miller, 
Ind., Dune Regions. Mr. Heddle developed many interesting questions in 
relation to xerophytic conditions and sand dunes. 
After an interesting discussion, the meeting adjourned. 
February 25, 1915. 
Minutes of previous meeting read and approved. 
The chief feature of the meeting was the lecture by Mr. E. M. Griffith, 
the State Forester, on “Foresty in Wisconsin.” 
In the introduction Mr. Griffith gave a general review of the history of 
Forestry. In the main discussion the more important thoughts developed 
were: (1) Our forest should be preserved; the protection of headwaters of 
our principal streams — -ensuring a uniform rainfall and constancy of flow 
of water. ( 2 ) Protection of wood industries. (3) Preserving forest lands 
for summer resorts. (A) Ensuring a more constant water power, increas- 
ing industries resulting from use of such power. 
A number of very interesting topics were brought out in the discussion. 
On motion the meeting adjourned. 
