0 
is -. 
Wile ete 
ALS, 
alte 
ay “American Woods, 
a publication relating to American woods, and in which each is represented 
by actual and authentic specimens so prepared as to show transverse, radial and 
tangential views of the grain (see figures a, dandc). The specimens are so thin 
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 species, having at least 
seventy-five specimens, and selling at $5 00, expressage paid. 
PREPARATIONS OF WOODS FOR STEREOPTICON AND MICRO- 
SCOPE.—These are perfect in every way, elegantly prepared and accurately 
labeled. : 
WOODEN CROSS-SECTION CARDS.—The toughness and ivory-lik 
smoothness of these cards, especially when we consider that they are sections @ 
wood cut across the grain, ave a surprise to everyone. Being perfectly adapted to 
printing, India ink work, painting, ete., they are very choice and valuable for 
advertising cards, invitations, calling cards, dinner cards, etc. Circulars an 
sample cards sent upon application. Address 
Mods LLOUGHGS 
Lowville, N. ¥ 
i ee 
The North American Pyrenomycetes, 
By J. B. ELLIS and B. M. EVERHART, 
With original illustrations by F. W. Anpgrsoy. 2,500 species of the old gen 
“Spheria,” described and arranged in accordance with the modern ideas 
classification. One thick octavo volume, with over 800 pages of printed matt 
and 41 full-page tinted plates illustrating the genera; bound in fine cloth, with | 
stamped covers and gilt-le:tered back. Price, $8.00, with 35 cts. additional if 
sent by mail. Address, 
J. B. ELLIS, Newfield, New Jersey: 
DECADES OF NORTH AMERICAN LICHENS. 
PREPARED BY 
C. E. Cummings, Associate Professor of (Crypt ‘c) Botany, Wellesley 
College, Wellesley, Mass., and A. B. (Cryptogamic) y; ; Hae 
vard University, Cambridge, Mass. Bey evar Cry pogesiic: Farben 
The first three or four numbers will be i i bers 
iad : ready in Jane. These earlier nUmDE™ 
are especially sui'ed to students and elementary instruction. All critical speci¢® 
are determined by comparison with the most authentic specimens. 
Price, 75 cents each decade. Lots sent for inspection if desired. 
Address, ~ CLARA &, CUMMINGS, 
WELLESLEY COLLEGE, WELLESLEY, MASS. 
