Botany and Zoology. 129 
and his distinguished er but to the brothers Lessing, the botan- 
ist and the painter, and so that the specific name refers not to the Ger- 
mans but to the brothers. On turning to the Linnza, however, we find 
all three associated in the dedication ; and the specific name seems as if 
ne to carry a double meanin 
. Illustrations of the Esculent Fungi of the United States, —_We 
ena: that our American Mycologist, Rev. Dr. M. A. Curtis, of 
ee Te North Carolina, is preparing colored figures and descrip- 
ions of the principal eatable species of Mushrooms and other Fungi, 
natives this country, with plain directions for their preparation and 
use. The work will be published, propably in parts, if sufficient en- 
couragement is offered to induce a publisher to undertake it. A large 
may be turned to good account whenever the knowledge which this work 
is ep t to diffuse shall be made generally available. A. G. 
Death of Wm. Henry Harvey, Professor of Botany in Trinity Col- 
legs Dublin, and keeper of the University Herbarium. —His many friends 
n this country will receive with great sorrow the tidings that this dis- 
tinguished Algologist as well as general botanist, and ‘most admirable 
man, died of pulmonary aienie. at a ach England, on the 15th of 
May, in the 56th year of his age. e may hope to present peat 
wee account of his life and scientific labors 
. The International Horticultural Exhibition, with a Boeanioal as 
a —he rises above the monplaces of the oceasion to the 
consideration of important ‘opti questions, and to the fugly of 
new modes or appliances for resolving some of them. Many of his re- 
marks or illustrations are of such general interest that we are inclined to 
reprint a pee? portion of the ress, if room can n be found for it. 
sented to ae Botanical Congress, with abstracts of most of fi an 
the details of a few. The following are ahone which attract our notice: 
Mr, DeCandolle, the President, On a recent very exact measurement o, 
the diameter of the trunk of one of the gigantic Sequoias of California. 
The tree was the base of “the Old Maid,” the stump of which now serves 
4, 
ae tree of which we _asimilar measurement of a radius by a 
tape, on which the centuries only are g the t 
sbont 1295 years old, as long ago recorded, we believe, in this a 
Am. Jour. Scl.—Seconp Sznies, Vou. XLII, No. 124.—Juny, 1866. 
17 
