Just Issued. 



MEMOIRS FROM THE DEPARTMENT OF BOTANY OF 



COLUMBIA UNIVERSITY. 



Vol. II. 



MoFapn 



. * 



By PER AXEL RYDBERG, Ph.D. 



Quarto, 225 pages, 112 full-page plates. 



Price 



A companion volume to Dr. John K. SmalPs " Monograph of the North AmerU 

 can Species of the Genus Poly^^onu^nr published in 1895, which may be had at the 

 same price. Address 



Professor L. M. UNDERWOOD, Columbia University, New York City. 



^t 



Nortli American Pyrenomycetes. 



To clear out the balance of the stock, copies of this 

 publication, till further notice, will be sold for $6.00, 

 or on orders accompanied by the cash for $5.00. 



Address 



J. B.Ellis 



9 



Newfield. N. 1/ 



