NEW YORK FUNGI. 
The First Century is now ready for distribution, and others will follow as soon as 
prepared. It is intended to make these sets as complete as possible in Hymenomy- 
cetes. Prof. Chas. H. Peck has kindly promised to examine all species of which he 
is the author. It is hoped that the science of Mycology may be rendered some service 
by making accessible authentic specimens, and thus helping to avoid the multiplica- 
tion of synonyms. Price for the First Century, bound, $7.00; unbound, $6.00. For- 
eign subscriptions 25 cents extra for postage. Those desiring to subscribe or seeking 
further information, please address 
C. L. SHEAR, 
Alcove, N. Y, 
CHARACEZ OF AMERICA. 
The first fascicle of the Second Part of the Characeze of America is 
now ready. It contains descriptions of eight species of WVitel/a, as fol- 
lows: WVitella opaca, Ag.; obtusa, Allen; montana, Allen; Blankin- 
shipit, Allen; Missouriensis, Allen; fiexilis, Ag.; subglomerata, A. Br. ; 
glomerulifera, A. Br., with fourteen full-page illustrations (eight litho- 
graphic plates and six photogravures). These fascicles will be issued 
from time to time as plates can be prepared ; price of each part $1, the 
actual cost, if the whole edition of 500 copies be sold. Address 
Se we = edad EN 
10 East 36th St., N. Y. 
~The North American Pyrenomycetes. 
By J. B. ELLIS and B. M. EVERHART. 
With original illustrations by F. W. ANDERSON. 2,500 species of the 
old genus ** Sphveria,” described and arranged in accordance with the 
modern ideas of classification. One thick octavo volume, with over 800 
pages of printed matter and 41 full-page tinted plates illustrating the 
genera; bound in fine cloth, with stamped covers and gilt-lettered back. 
Price, $8,00, with 35 cts. additional if sent by mail. Address, 
J. B. ELLIS, Newfield, N. J. 
Sets of Potamogeton. 
A few sets of Potamogeton are in the course of preparation 
which are offered for sale to botanists who are in want of authen- 
tic species named by the subscriber. The sets will include nearly 
all the North American and many European species, together 
with a few species of Naias. The price will range from $3.00 to 
$5.00, according to their completeness. 
THOMAS MORONG. 
Columbia College, New York City. 
