-# LIST OF®- 
Pteridophyta and Spermatophyta of Northeastern North America 
A few copies in paper binding remain 
unsold. Price, $1.00. 
EDITORS, 
dees Botanical Club. 
ve FOR SALE. oe 
Gray’s Genera of the Plants of the U. S. 186 
Plates by Sprague, 
Harvey’s Nereis Boreali-Americana. 50 Colored 
Plates, 
Wood’s Fresh Water Algae of North America. 
(Unbound. ) 21 Plates 
Send address for a list of few other works for sale by 
' F. W. DEWART, 2907 St. Vincent Ave., St. Louis, Mo. 
Botany by ‘Correspondence. 
FoR BUSINESS MEN AS RECREATION. 
Sets of Ferns for Schools and Amateurs. First issue nearly 
ready, 20 specimens, $1.60. Postage 10 cents. 
Cambridge Botanical Supply Co., 
CAMBRIDGE, MASS. 
- 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. 
