W. IF. 



J 



MICROSCOPICAL AND NATURAL SCIENCE BOOKSELLER, 



New and Second-hand Works on Algse, Biology, Botany, Chemistry, Corals, 

 Conchology, Desmids, Diatoms, Entomology, Fossils, Geology, Histology, In- 

 fusoria, Microscopy, Mineralogy, Natural History, etc. 



Catalogue will be sent on application. Back parts of various Microscopical Journals 

 always in stock. Microscopical Books bought or exchanged. 



157 Great Portland St.. Oxford St.. London. England. 



COPIES OF COULTER & ROSE'S 



ReYision of Horth American Umbelliferae 



Can be obtained for One Dollar by addressing 

 PROF. JOHN M. COULTER, Crawfordsrille, Ind. 



Back Numbers Wanted. 



The following numbers of the Gazette are wanted to complete sets ; double 

 the regular price will be paid, if sent to John M. Coulter, Crawfordsville, Ind.: 



Vr?T Yr* N0 " 9 ^P 4 -' l88l ) ; V01 ' X > NOS " 7 aHd 8 (J Ul y aIld AU g-' l88 5) J V ° L 



VII, iMos. 8 and 9 (Aug. and Sep., 1882); Vol. XI, No. 1 (Jan., 1886). 



Florida Lichens Tor Sale ! 



In sets of 150 to 200 species. Abundan and elegant specimens, my new dis- 

 coveries among them. Six cents per species. Do not miss the chance. Send 

 tor hst. Ten sets sold already. Refer to Arthur, Bessey, Coulter and others. 



Address 



Chicago 



ie deutsche liotamsche jj|0it<if&sdirfft 



A MONTHLY JOURNAL 



For Systematists, Florists and all interested in the German Flora. 



7th Year, 1889. 82,00 a year, post free. 



Address PROF. DR. LEIMBACH, Arnstadt, Thuringia, Germany 



