254 NOTICES OF BOOKS. 
botanists shoul’ make a much more emphatic protest than has 
een made to my knowledge against the use of the purely rides 
logical characters, which only pile confusion on our ignorance. 
Such physiological characters are the defect of Winter’s eaten 
and we find as a result of their adoption a preference given to 
physiological over morphological characters in the oe of 
ohn’s classification on the first and second pages. The v of 
such characters is naturally of the first importance in other gee 
but in a botanical classification they are decidedly out of place. 
sola and all others who differ from his opinion.” Mr. Grove 
ape ism of the Uredines.” Without ere tre in the very least 
degree to a from the valuable observations of Mr. Plowright, 
it is only fair to Prof. De Bary to state that this matter was 
en, establis hed” years ago, and that Mr. Plowright, 
hile now extending our knowledge and fighting a good fight, is, 
however, as regards the main issue, only slaying the slain 
The isha Hons, though somewhat unequal, are yet on the 
whole very goo , and Mr. Grove has done us good service in 
presenting us with this body of information in so handy - a 
A pampHtet, entitled ‘The Ferns of York, including also Nid- 
derdale, and the districts around Thirsk, Scarbro’, and Whitby,’ 
has been issued by Mr. Sessions, of York, at the price of 6d. Mr. 
otson’s name appears as that of the author, but as the 
editors (Messrs. B. B. Le Tall and A. R. Waller) say that ‘the 
part [they] have taken in this work has be n to re-arrange an 
re-write it,” it is a little dificult to siesdieataic Mr. Ibbotson’s 
i with the list, which seems a very complete one. 
. Porrirr have retired from the 
eer of the ‘ Naturalist,’ "which they have managed for the 
ast nine years. They will be succceded by Messrs. W. D. Roebuck 
and W. E. Clarke. 
Tue recently issued part of the ‘Tr anesainos of the Yorkstug 
Naturalists’ Union’ are a Report on Yorkshire Botany [0 
1880, by Mr. F. A. Lees, and the first ae} of a paper on the Pics 
of Ripon and the aeighhe Bead. by the Rev. H. H. Slater. 
Mr. Urcorr Giz (170, Strand) is publishing what promises to 
be a very useful and comprehensive work under the title of ‘The 
