72 : Scientific Intelligence. 
which figures give for the study of Ferns. _ Books of this kind, of 
various pretension and merit, abound in Great Britain, and there 
is evidently a great demand for them. But our own fern-fanciers 
are becoming numerous and active, and this work will aid them 
and bring many more into the field. At least our botanists and 
botanical students want it. And this work seems to us well plan- 
ned to meet all these requisitions. Well executed it certainly is, 
the 
specimens of chromo-lithography. Plate II, representin etlan- 
thes vestita and C. Coopere (a new species, detected in California ° 
by Mrs. Elwood Cooper, whose name it bears), is to o in 
best ; and the synopsis of the species of the genus, arranged und 
the sections, was a thought. The figure of A um ser 
ratum, a tropical American Fern, recently discovered in Fl 
r. Garber, is well managed and characteristic ; amp- 
light the green is too blue. Under the same conditions the Ly- 
godium, which is well chosen for a leader, seems too pale and dull. 
A little more practice will set this all right. The prospectus in- 
ter. We hope, and we do not doubt, that the sale will warrant 
A. G 
3. Notes on Botrychium simplex, by Grorcx E. Davenrort, 
1877.—Here is more Fern-lore, an exhaustive mono 
e frond. Two large quarto plates crowded with figures (48 
in number), illustrate the forms which these two peci ein 
this country, and the account of them fills 22 pages of letter-press 
of th: i The result of this thorough treatment is to con- 
the figures are heliotype reproductions of Mr. Emerton’s outline 
drawings. It is stated that “if the publication of these notes shall 
