+HERBARIUM FOR SALE.+ 
I desire to sell the European part of my herbarium (75 fasc. 
phanerogamia and filices), containing considerably more than 
half the European flora; all species are in good condition and 
represented by abundant specimens from various localities. 
Dr. P. TAUBERT, 
S. W.47 York Str. 58, Berlin, Germany. 
LL 
CHARACE: OF AMERICA. 
2 The first fascicle of the Second Part of the Characeze of America is 
. teady, It contains descriptions of eight species of JVitella, as fol- 
he Nitella opaca, Ag.; obtusa, Allen; montana, Allen; Blankin- 
a Allen ; Missourtensis, Allen ; fiextlis, Ag.; subglomerata, A. Br. ; 
Stomerulifera, A, Br., with fourteen’ full-page illustrations (eight litho- 
pic plates and six photogravures). These fascicles will be issued 
©m 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 
TF. ALLEN, 
10 East 56th St., N. Y. 
Tae, a ale eRe 
Csr tr outcome 
« FROM THE .. 
Herbarium of Columbia College 
Number 3. 
I desire copies of this number. és Plant Notes from Termiscou- 
oe County, Canada.’ By John I. Northrop (1887), to complete sets 
of Vol. 1, and will be glad to exchange them for other numbers, or to purchase them. 
nena 
ate ee ed 
between North America and the Old World. A favorable opportunity is here af 
forded for an individual or institution engaged in accumulating a collection. Corre 
Spondence is invited. 
N. L. BRITTON, 
COLUMBIA COLLEGE, NEW YORK CITY. 
