< American Woods, 
a publication relating to American woods. and in which each is pares 
by actual and authentic specimens so prepared as to show transverse, radial 
tangential views of the grain (see figures a, bandc). The specimens are so t : 
as to allow the transmission of light, and thus the characteristic structure of each — 
is beautifully shown. Accompanying text gives full information as to the botan- 
ical characters, habitat, physical and medicinal properties, uses, etc. The speci- 
mens and text are gathered together into neat cases resembling handsomely 
bound octavo volumes, each one representing twenty-five ogee having at least 
ty-five specimens, and selling at $5 00, expressage paid. 
eee PREPARATIONS OF Woops FOR STEREOPTICON AND MICRO- 
SCOPE.—These are perfect in every way, elegantly prepared and accurately 
labeled. ; 
WOODEN CROSS-SECTION CARDS.—The toughness and ivory-like 
smoothness of these cards, especially when we consider that they are sections of 
wood cut across the grain, are a surprise to everyone. Being perfectly adapted to 
printing, India ink work, painting, ete., they are very choice and valuable me 
advertising cards, invitations, calling cards, dinner cards, etc. Circulars am 
sample cards sent upon application. Address 
mw &. ROUGH, 
Lowville, N. Y- 
The North American Pyrenomycetes, 
By J. B. ELLIS and B. M. EVERHART, 
With original illustrations by F. W. ANDERSON. 2,500 species of the old genus 
“Spheria,” described and arranged in accordance with the modern. ideas of 
classification. One thick octavo volume, with over 800 pages of printed matter 
and 41 full-page tinted plates illustrating the genera; bound in fine cloth, with 
stamped covers and gilt-lettered back. Price, $8 00, with 35 cts. additional if 
sent by mail. Address, 
J. B. ELLIS, Newfield, New Jersey. 
COLORADO PLANTS. 
The undersigned is making this season a few sets of carefully prepared 
specimens of Colorado plants—mostly Alpine and Sub-Alpine Species—which 
will be offered for sale. . 
A list will be sent to any botanist requesting it. 
Address : H. N. PATTERSON, 
Oquawka, ILL. 
