962 The American Naturalist. [October, 
20. The Continuity of Protoplasm Through the Cell-Walls of 
Plants, by W. J. Beat and T. W. Tuomey ; giving, the results of a 
long series of observations. 
21. Preliminary Note on the Genus Rhynchospora in North America, 
by N. L. Brırton ; being an enumeration of the species now known 
to inhabit North America. 
22. On Rusbya, a New Genus of Vacciniacez from Bolivia, by N 
L. Brirron. An interesting new genus of parasitic plants. 
23. Notes on a Monograph of the Genus Lechea, by N. L. BRITTON. 
24. The Specific Germs of the Carnation Disease, by J. C. ARTHUR 
and H. L. BoLLEY ; giving the results of a very complete study of the 
bacterium, which is shown to be the cause of the disease. 
25. Notes Upon Plants Collected by Dr. Edward Palmer at La Paz, 
Lower California, by J. N. Rose. Read by title only. 
26. Notes Upon Crystals in Certain Species of the Arum Family, by 
W. R. Lazensy ; giving microscopical details of a study of thecrystals. 
27. Notes on Dopin biternatum, by C. W. HARGITT ; giving the 
results of the anatomical study of the root-tubers. 
The attendance upon the Botanical Club was very i dot and the 
notes and papers were unusually numerous. 
. Dr. Britton, chairman of the club, in a short address upon ie 
Prent State of Systematic Botany in North America, noticed the ac- 
tivity in various centres by different investigators. A marked feature 
of the present is that there has lately been a great increase in the num- 
ber of specialists, 
2. Notes on Nana by B. E. Fernow; referring to the 
need of a revision in both scientific and common names, and noting a 
considerable number of cases of recent changes in the scientific names 
of forest trees, 
| 3. An Eastern Station for Actinella acaulis Nutt., by C. M. WEED ; 
noting the occurrence of this western plant in Northern Ohio. 
4. Notes on the Milky Juice of Plants as a Protection Against Stem- 
Borers, by C. M. WEED; concluding that the milky juice is a protec- 
tion against stem-boring insects. 
5. Notes on the Root-Tubercles of Ceanothus americanus, by W. J. 
BEAL; noting the occurrence of root-tubercles similar in appearance 
to those on clover. 
6. The Genus Bacterium, by T. J. BURRILL; protesting against the 
loose practice in the application of names which prevails in bacteriol- 
ogy, and insisting that the genus Bacterium, which has latterly been 
ignored, has a right to existence, 
