No. 75. An Enumeration of the Plants collected by M. E. Penard in Colorado during 
the summer of 1892. By N. L. Britton and Anna Murray Vail (1895). 
50 cents. 
VoLUME IV. 
No. 76. The Biological Status of Lichens. By Albert Schneider (1895), . 25 cents. 
No. 77. New or Noteworthy North American Phanerogams, IX. By N, L. Britton 
EBQG Yo 5 eed SR Es name ami ee at 25 cents. 
No. 78. Ti Genes Cenchrus in North America. By Geo, V. Nash (1895), 25 cents. 
Title-pages for Vols. II. and III. can be supplied. 
The series as above listed will be supplied for $12. 
Copies of the Catalogue of Plants found in New Jersey (1889) by N. L. Britton, 
may be had for $2. Address 
PROF. N. L. BRITTON, 
Columbia College, 
NEW YORK CITY. 
+ #* LIST OFF: - 
Pteridophyta and Spermatophyta of Northeastern North America 
A few copies in paper binding remain 
unsold. Price, $1.00. 
EDITORS, 
Torrey Botanical Club. 
Semitic ie et 2 
THE BOTANICAL GAZETTE. 
A monthly journal embracing all departments of the science. 
Well illustrated. Contributions from eminent investigators. In- 
teresting news column relating to botanists and their writings. 
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PUBLISHERS AND EDITORS: 
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Summer School of Cryptogamic Botany, 
IN OUR LABORATORY. 
Five Weeks, Beginning July 5, 1895. Laboratory Work and Lectures, 
General Cryptogamic Botany for teachers, covering recommendations of 
“Committee of Ten.” ‘ . 1 thod 
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and literature, 
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