28 ROCHESTER ACADEMY OF SCIENCE. (an; 232 
locality, was brought to the Section by Mr. A. M. Dumond. Its beauty 
and extreme delicacy render it worthy of its aristocratic relation. At 
the last meeting a curious growth of Chara was noted. This was the 
formation of extra whorls of leaves growing out of the leaves of the 
natural whorls. Perhaps the artificial condition under which it was 
grown may account for the phenomenon. 
A remarkable collection of diatoms in the possession of Mr. 
Streeter, comprising nearly 800 slides, mounted by Prof. H. L. Smith, 
has been an unfailing source of pleasure and profit. Since the removal 
of the Academy from the Reynolds building, the Section has met at 
the residence of Mr. Streeter, where every facility for botanical and 
microscopical study is enjoyed. The Section is greatly indebted to him 
for these privileges, as well as for the use of his reference library and 
illustrated catalogues. 
This very brief review of the work of the Botanical Section of the 
Academy of Science would be incomplete without grateful reference 
being made to Mrs. Mary E. Streeter, to whom the successful inaugura- | 
tion of the Section is largely due. For many years its President, she 
brought to the meetings an enthusiasm for her favorite science which 
was an inspiration to all who listened to her instruction. Her gracious. 
presence encouraged the humblest student of botany, and her accurate 
knowledge and breadth of view, which kept her conversant with the 
advances made in the botanical world, were a tower of strength to the 
Section. By her death, which occurred in June, 1885, the Section sus- 
tained an irreparable loss. But the influence of her life and example 
still remains, and the memory of what she accomplished is a constant 
inspiration to botanical research. 
REPORT OF GEOLOGICAL SECTION 
(tz abstract,) 
Read by H. L. Preston, Recorder of the Section : 
The Geological Section was reorganized October 28, 1889, with 
eleven persons present. The officers elected were, Chairman, E. E. 
Howell; Vice-chairman, A. L. Arey; Recorder, H. L. Preston. A 
Sectional Committee was elected December 2, subsequent to the 
adoption of rules, consisting of J. M. Davison and H. L. Fairchild. 
The chairman is ex-officio a member of this committee. The member- 
ship of the Section is now sixteen. 
The meetings, six in all to this date, are held on the Tuesday 
evenings following the first and third Mondays of each month, in the 
geological lecture room, Sibley Hall, University of Rochester. 
