Cambridge Botanical Supply Co., 
: Cambridge, Mass. 
National Herbarium Mounting Paper. 
ALL ARTICLES FOR SPRING CLASSES IN BOTANY. 
New Devices in Presses, Collecting Boxes and Herbarium Cases, 
SEND FOR NEW PRICE LIST. 
—~*> EVERYTHING USEFUL TO BOTANISTS. <~— 
WILLIAM WALES, Fort Lee, N. J. 
MANUFACTURER OF 
FIRST-CLASS MICROSCOPE OBJECTIVES. 
MICROSCOPES FURNISHED OF ALL MAKES—ZENTMAYER’S AIL- 
WAYS ON HAND. INSTRUMENTS ORDERED IN NEW 
YORK CITY SENT ON APPROVAL. 
DISCOUNT TO COLLEGES. 
CHARACEAE OF AMERICA. 
The third fascicle of the Second (systematic) part of the Characeae 
of America is ready. It contains descriptions acd etchings of the follow- 
ing, to continue previous descriptions: JVite/la Leibergi sp. nov. ; mu- 
cronata A. Br.; capitellata A. Br.; graciis (Smith) Ag. (fransilis 
sp. nov.); ¢enuissima (Desv.) Coss. et Germ. ;. pygmaca A. Br.; mt- 
nuta A\en (Maxceana sp. nov.) ; intermedia Ndst.; and Asa Grayana 
Schaffner. Price, $1.00. Part I. (general) is out of print. A new edi- 
tion will be prepared after the systematic part shall have been completed. 
T. F. ALLEN, | 
10 Bast 36th St., New York City. _ 
MEMOIRS 
--- FROM THE ... 
Department of Botany of Columbia College 
VOLUME 1. 
A Monograph of the North American Species of the Genus _ 
Polygonum. By Dr, John K. Small. Quarto, pp. 178, 85 plates. 
Price, $6.00. For copies address, eae 
PROF. N.L. BRITTON, 
