FOR SALE. « 18 
A ZENTMAYER PORTABLE MICROSCOPE, 
IN PERFECT ORDER, 
For 3100.00. - - - Catalogue Price, $147.50. 
Including THREE OBJECTIVES, 1} in., } in., and } in. 
Also an Abbé Condenser, Glass Stage, and Neat Walnut Case. 
Address the Editors of the Bulletin, °° Wm. Wales, Fort Lee, N. J. 
CHARACEA OF AMERICA. 
The first fascicle of the Second Part of the Characez of America is 
now ready. It contains descriptions of eight species of /Vite//a, as fol- 
lows: Nitella opaca, Ag.; obtusa, Allen; montana, Allen; lankin- 
shipii, Allen; Missouriensis, Allen; flexilis, Ag.; subglomerata, A. Br. ; 
slomerulifera, 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 
TT. =. ATaLeN, 
10 East 36th St., N. Y. 
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 * Spheria,” described and arranged in accordance with the 
modern ideas of classification. One thick octavo volume, with over 800 
Pages of printed matter and 4r 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. 
VIRGINIA PLANTS. 
During the present spring and summer I shall collect along the south- 
€tn boundary of Virginia, from the coast to the mountains, a region un- 
€xplored botanically, and one that will beyond a doubt yield a number 
of new and many rare plants. An endeavor will also be made to obtain 
“ the new species, about a dozen in all, collected by myself and others 
uring the past three years in adjacent territory. An effort will be made 
not only to keep up the standard of previous collections, but also to im- 
Prove upon them in every way possible. Anyone desiring sets, should 
Please address 
A. A. HELLER, 
411 W. Wainut St., Lancaster, Pa. 
