EDITORIAL. 
JN 1863, Messrs. Longman, Green, Longman, Roberts & 
Green published "North Yorkshire: Studies of its 
Botany, Geology, Climate, and Physical Geography," by 
John Gilbert Baker. This work, which was printed at 
Thirsk, contains 353 pages and four maps. With the 
exception of some copies which were sent out to sub- 
scribers, &c. , the entire edition was unfortunately destroyed 
by fire at the author's residence. The present "second 
edition " may, therefore, be looked upon as an entirely new 
work, and, with F. A. Lees' " Flora of West Yorkshire," 
published by the Yorkshire Naturalists' Union, and J. F. 
Robinson's " Flora of the East Riding," published by the 
Hull Scientific and Field Naturalists' Club, completes the 
account of the Flowering Plants, Ferns, Mosses, and Hepatics 
of the county, Massee & Crossland's " Fungus Flora of 
Yorkshire," and W. & G. S. West's "Alga Flora of York- 
shire," also published by the Union, unquestionably complete 
a series of works dealing with the Flora of Yorkshire of 
which any Society might be justly proud. 
The present work has been revised and brought up to date 
throughout ; parts have been entirely re-written, and 
Mr. M. B. Slater has not only increased the number of 
Mosses recorded for the Riding from 309 to 418, but has 
