Botany and Zoology. 223 
to use them with better judgment than Presl, upon an ampler 
_ store of materials. His papers, published in 1841-1843, were 
thought very valuable; an has since endeavored to make his 
“the chief aim of the work being the definition of gen d 
their classification, on the different modes of growth, 
venation, and fructification.” It has good indexes, a list of Fern 
useful book both to woes andamateurs. To those who do no 
possess a considerable botanical library, it would appear to be in- 
dispensable. A Ge 
3. Ferns of North America. By Prof. Dantet C. Eaton, 
enters the etymology of generic names, and is altogether a 
h 
and plates and letter-p are ever. commendable. The 
latter extends to p. 4 e three plates illustrate, Asplenium 
ebeneum, the ambiguous A. ebenoides, B chium Lunaria, la 
mark at the close of the account of Asplenium ebeneum, we sug- 
gest that the best of all reasons for adhering to this specific name, 
is that it is the earliest given for this Asplenium as such. A. G. 
Remarks, &c. From Bulletin of the B . 
pp. 224-252.—The principal bulk and chief interest of this article 
will be found in what are called the “ Remarks,” which are criti- 
cal studies of development, synonymy, &c., of various interesting 
n 
ssed for an Uredo, and 
noth i e only new species described is his 
genus ; but, what is better for science, a goodly number of species 
are reduced and pro erred; for instance, £ sidium 
yi Andromede of 
Peck, and E. discoideum of Ellis. The synonymy of various spe- 
cies of Uromyces is given in detail, and various newly proposed 
Species are referred to Schweinitzian origin: ce 
