L22 ROCHESTER ACADEMY OF SCIENCE. Jan. 12, 
In microscopical studies the sieve tissue of the stem of the Pump- 
kin vine was shown. Also the fruit of Adiantum pedatum. 
Mr. Dumond exhibited the Pandorina morum with escaping cells 
and resting spores. 
August 29, 1890. The microscopical studies were the terminal 
bud of Ash, the laticiferous tissue of Salsify, sections of Corn-stalk, 
and Gymnogramme triangularis and fruit. 
Mrs. Streeter read an article on the Movements of Diatoms. 
Mr. Bacon read an account of artificial germination of milk-weed 
pollen. Two pressed specimens of Goodyera pubescens were shown; 
also Blitum capitatum. 
September 26, 1890. The seeds of Pentherum sedoides were ex- 
amined and found to be beautifully marked ; the attaching stalks were 
a bright scarlet. 
Three varieties of Aster were shown, 4. Wove-Anglia, A. miser, A: 
puniceus. Gentiana Andrewsit and a fine specimen of Marchantia 
polymorpha, showing gemme cups were also exhibited. 
October 24, 1890. Miss Beckwith showed two beautiful Southern 
plants, Cosmos bipinnatus and Euphorbia heterophylia. The former had 
rose-colored rays and finely divided leaves; the latter had a strip of 
scarlet in the upper bracts. A section of the stem showed the latex 
vessels. 
A number of species of Fungi were examined. Among them were 
several specimens of Polyport, one Cliavaria, Agaricum velutipes, A. 
laccatus ; Marasmius rotula, and a Peziza of a pale gray color. 
The 4zo//a Caroliniana was shown and the formation of the spores 
explained. 
November 7, 1590. Mr. Streeter showed the abscissa cells in the 
petiole of the leaf of Horse-chestnut, also the seeds of Beech-drops. 
Agaricus fabaceus and A. tllicttus were shown. An article on 
Cacti was read. 
One of the most interesting objects, and one never before seen in 
the section, was the Lunuwlaria vulgaris, one of the Hepatic, shown by 
Miss Beckwith. The gemmez were well defined. 
November 21, 1890. Miss Macauley showed a number of Fungi 
and Lichens. — 
A section of gill, showing the spore-bearing cells, was examined 
with the microscope. 
The Chairman showed the following plants in blossom: Golden- 
rod, Mallow, Sonchus, Capsella, Clover, Carrot, Buttercup, Dandelion 
and Hedge Mustard. 
