SIMPLE SCIENTIFIC APPARATUS 



For Teachers of Botany and Nature-Study 



We now have ready two auxanometers (plant-growth recorders), Lloyd's model at 

 ^2.00, and the HMSAC at ^2.50 ; lattice- work plant presses at 35 to 60 cents ; trans- 

 parent specimen cases for life-histories, wood frame, separable, dust proof, no case is 

 better, 45 cents and up, many sizes. Other simple apparatus ready and in preparation. 



LOWEST PRICES. SEND FOR CIRCULARS. 



"HOME-MADE" SCIENTIFIC APPARATUS CO., 



MECHANICSBURG, O. 



HELPS IN BOTANY 



The American Botanist is an illustrated monthly journal devoted to in- 

 teresting facts about plants. It prints no technical articles, but treats of such subjects 

 as color, fragrance, nectar, pollination, seed-dispersal, and the uses and habits of plants. 

 Worth many times its price to any teacher interested in Botany. Subscription $1.00 a 

 year ; sample for a two-cent stamp. Address, 



WILLARD N. CLUTE & CO., Binghamton, New York 



LEWIS' TREE-LEAF CHARTS 



Size 22 by 28 inches. Printed on good paper. Recommended by the best authori- 

 ties in the country. Send for circular. 



Price of Single Number 50 Cts. each. Parts $1.40 each. The Ten 



numbers now printed for S4.50. Cash in advance. 

 NOW READY. (These with a * as yet unprinted.) 



Part I.— THE OAKS. Forty-two species. Yio. i. Biennial Fruited Oaks. Black Oak and Allies. 

 No. 2. Annual Frtiited Oaks. White Oaks and Allies. No. 3. Southern, Facile, Hardy For- 

 eign, and examples of Fxtinct Oaks 



Part II.— THE NUT BEARERS. Numerous species. No. 4. The Chestnuts and Beeches. Amer- 

 ican, Japanese and European Chestnuts. No. 5. The Walnuts. American, Japanese and Euro- 

 pean species and varieties. No. 6. The Hickories. American species and varieties. 



Part III. — No. 7. The Willoivs and Poplars. Numerous species. No 8. The Birches, Elms and 

 allies. No. 9. The Lindens ard allied families. 



Part IV. — *No. 10 The Magnolias and related trees. *No. 11. The Horse Chestnuts and al- 

 lies. No 12. The Maples. (Printed in advance. ) 

 For further information address the author, publisher and proprietor. 



GRACEANNA LEWIS, Media, Pennsylvania 



