AN UP-TO-DATE MANUAL OF BOTANY 



The ILLUSTRATED FLORA OF THE NORTHERN STATES 

 AND CANADA, 



INCLUDING THE REGION WESTWARD TO THE 102° MERIDIAN. 



By PROF. N. L. BRITTON and HON. ADDISON BROWN, 



With the assistance of Specialists in Various Groups. 



EVERY known species is described and figured. Contains keys 

 to the genera and species; nomenclature revised to date; 

 all the synonomy; latest systematic sequence of families; 

 and the common names. Over Four Thousand Illustrations. 



THE ONL Y Complete Illustrated Manual of Botany. Des- 

 tined to supersede all others. No Botanist can afford to 

 be without it. 



Vols. I and II now ready; Vol. Ill in press. Price per vol.. $3.25 

 postpaid. A subscription to the Fern Bulletin given free 

 with each volume ordered ; two volumes and the Fern Bul- 

 letin one year, for $6.25, postpaid. Address, 



THE FERN BULLETIN, Binghamton, N. Y. 



* JUST ISSUED * 



n text Book of Cicbenology 



By ALBERT SCHNEIDER, M. S„ M. D. 



I T HE only Modern Work on North American Lichens. Contains a 

 full discussion of their Morphology and Physiology, with special 

 reference tc the phenomena of symbiosis. Keys to all the families and 

 genera in North America are included. 



Large octavo; 230 pages and 76 full -page plates illustrating 

 all the genera. Price, paper, $3. So; cloth, $4.25, net. Postage 25 

 cents extra. 



With new subscription to the Fern Bulletin, paper, $4.10; 

 cloth, $4 60; postpaid. Address, 



THE FERN BULLETIN, Binghamton, N. Y. 



