81 
Pinus rigida and P. Lambertiana (Garden, xxxi., pp. 128, 152, 
156, with figures.) 
These may be found in a series of articles on trees and shrubs 
which are being published by this journal, and will be of much 
interest and value. : 
Plants found growing in Meriden, Conn., since tssue of Catalogue 
im 1885.—Mrs. E. B. Kendrick. (Trans. Meriden Sci. ~ 
Assoc.,° ii, pp. 54-57.) 
Forty-one additional species and varieties are enumerated. 
Pollen Tubes of Lobelia.—B. D. Halsted. (Amer. Nat., xxi., pp. 
75, 76; ten figures.) 
Prof. Halsted found that in all the opened flowers of Lobelia 
cardinalis the pollen within the tube formed by the adnation of 
the anthers was germinating. The nuclei of the grains was well 
distinguished by treatment with acid azo-rubin. In the unopened 
flowers examined, none of the pollen had germinated. 
Quercus palustris. (Garden, xxxi., p. 217; 3 figs.) 
Schwendener Theory of the Constitution of Lichens.— On the.— 
F. LeRoy Sargent. (Amer. Month. Micros. Journ., viii., pp. 
21-25.) 
Staten Island Trees.—On the average size and probable Age of. 
—Arthur Hollick. (Proc. Nat. Sci. Assoc., Staten Island, 
Feb. 12, 1887.) 
A list is given of a number of the larger native trees of Staten 
Island, with measurements, and their probable ages estimated 
from observations by the author on felled individuals and from 
notes on the same subject published by N. L. Britton in the 
BULLETIN in May, 1879. 
Strasburger's Laboratory.—Douglas H. Campbell. (Bot. Gaz., 
xii., pp. 35-37-) : 
Tennessee Flora, with special reference to the Flora of Nashville. 
August Gattinger. (Pamphlet, 8vo, pp. 109 ; Nashville, 1887.) 
A list of 1,606 species and 102 varieties found by Dr. Gat- 
tinger or reported on good authority from the State of Tennessee. 
-Of these, 1,251 have been found within a circle of thirty miles 
radius from Nashville as a centre. An interesting feature of the 
work is the comparative tables of plants from calcareous and 
-from silicious soils. There are interesting notes on the three 
