650 General Notes. [ October, 
from six inches to two feet high, and trailing, a description that 
accords very well with the character of the plant where I have 
seen it away from the shore of the lake. On receding from the 
lake the size diminishes, and one does not have to go far to find 
the typical form. But here, stems four or five feet long and half 
an inch or more in diameter, are common; some attain the length 
of seven feet. Two that were measured had a girth, near the 
ground, of four and a half inches and five and a quarter inches, 
respectively. This gives a diameter of 1.43 and 1.67 inches. 
The stems trail but little, several spreading from the same root, 
much as in the common juniper, but of a more erect habit. They 
are decumbent, ascending or sub-erect. The fruit, when ripe, is 
about the size and color of the Morello cherry, and but slightly 
ovoid in form. In remarkable contrast with this sand cherry is 
the necklace poplar (Populus monilifera Ait.), generally a good- 
sized tree, fruiting abundantly in the same situation at the height 
of from five to ten feet. The conditions that favor the growth of 
the cherry, dwarf the poplar, and the former has the advantage in 
the struggle for existence on the sand dunes of the lake shore.— 
E. F. Hill, Englewood, Il. 
BotanicaL News.—To the New Italian Botanical Fournal for 
July, F. von Müller contributes an article on the systematic post- 
tion of the genus Donatia. L. Mecchiati records certain experi- 
ments on the emission of carbonic acid from the roots of plants. 
Liibken and Warming’s Danish Yournal of Popular Science, 
third number, contains a well-illustrated article on Schwendener’s | 
lichen theory. In Trimen’s London Yournal of Botany for 
ul 
, 
new species are described. 
August, among other notes, prints one on Salix balsamifera, by 
M. S. Bebb; while J. M. Coulter contributes notes on parallel 
chorisis in the petals of Campanula media; on a 4-merous Lilu 
philadelphicum, and on two-parted cotyledons in Eschscholtzia. 
ge 
evenly, covering them with wet moss, and on the top spread 
another sheet of paper. In this bed the plants should remain over 
night. The next morning the plants should be potted and kept 
out of direct sunlight for a few days. The plants should be 
watered very sparingly with camphor water. The Tenth An- 
nual Report of the Geological Survey of Indiana contains a cata- 
