WET ANO DRY 



Cryptogamic and 



F>LATNIT MATERIAL 



collected and preserved especially 



Microscopes, Lenses, Cover Glasses and Slides, Forceps, Scalpels and Needles. 

 " Laboratory Note Book " of high grade Drawing Paper with alternate blank 

 and ruled pages. Glassware, Stains, Mounting Paper, etc. 



Cambridge Botanical Supply Co., 



CAMBRIDGE, MASS. 



Everything Useful to Botanists. 



Living Plants and Their Properties 



By Prof. J. C. ARTHUR, Purdue University , and 



Prof. D. T, MacDougal, Bedford Park, New York ttty. 



A timely book of 12 chapters dealing with the special senses of plants, development of irrita- 

 bility, compass plants, sensitive plants, tfiects of cold, growth of leaves, significance of color, com- 

 parison cf plants and animals, etc., in a non-technical manner Original illustrations, interesting, 

 comprehensive and thoroughly modern. Printed on enamelled paper, 30 illustrations, 242 +8 pages, 

 maTginal sub titles. Handsomely bound in cloth Postpaid, $1 25 %M - I7 



Send orders to Dr. D. T. MacDougal, Bedford Park, New YoikCity, or to Morris and Wil- 

 son, University Hook Store, Minneapolis, Minn. 



COMMENTS. 



It is a collection of delightfully written essays on certain of the more important and interest. ng 

 features of li ving plants in the broadest sense. The facts set forth are in all cases the latest resul.s ol 

 investigation in the various lines, and the language is simple and'non -technical.— Plant World 



The book will make an admirable addition to the scientific alcove of eveiy pi \ he library.— Proi. 

 C E. Hessey. 



It is an interesting volume to all who care to know what science has recently discovered in 

 physiology and pathology of the vegetable kingdom.— N*iv Yo> k Wo* Id. 



Text-Book of General Lichenology 



With Descriptions and Figures of the Genera Occurring in the Northeastern 



United States. 



By ALBERT SCHNEIDER, M. S., M.D. 



The only modern work on North American Lichens, including a discussion of their 

 Morphology and Physiology, with a special" reference to the phenomena of symbiosis. 



Large octavo, 230 pages, 76 full-page plates. Price in paper, net, $3.80 ; in cloth, 

 $4* 25. Sample pages will be sent on application. 



PUBLISHED BY 



WILLARD N. CLUTE & COMPANY, Binghampton, N.Y, 



Back numbers of the Bulletin of the Tokrev Botanical 

 Club wanted to complete files, as follows: 



v °l- 7 (1880) Nos. 1, 9. Vol. 14 (1887; Nos. I, 2. 



Vol. 8 (1881) Nos. 2, 10, 11. Vol. 15 (1888) any numbers. 



Vol. 9 ( 1882) Nos. i, 5. Vol 16 ( 1889) Nos. 3, 4- 



Vol. 1 1 (1884) Nos. 1, 2, 3. Vol. 17 ( »8oo) Nos. (4 8, 9. »°> I2 - 



Vol. 12 (1885) No* 1, 2, 3. Vol. 18 (i89i)'No. 1. 



Contributions ol duplicate numbers requested of members of the Club. Other 

 Possessing numb-rs invited to stale price>. 



, address Torrey Botanical Club. 



COLVMBt* Um**KS,TY. NEW YO*K C,TY. 



