A Model Botanical Text-Book 



LEAVITT'S OUTLINES OF BOTANY, $1.00 



With Gray's Field, Forest and Garden Flora, . . 1 .80 



With Gray's Manual of Botany, .... 2.25 



For the High School Laboratory and Class Room. 



l?y KOHERT (JKliENLEAF LEAVITT, A. M., of the Ames 

 Botanical Lal)oratory. Prepared at the request of the Botan- 

 ical Department of Harvard University. 



'^r^lll'! practical exercises and experiments liave been so chosen that they 

 I may l)e performed by schools with even simj^le apparatus. The in- 

 -1 striictions for laboratory study are placed in divisions by themselves, 

 preceding the related chapters of descriptive text. The book combines the 

 l)est features of the newest methods with that lucidilv and definiteness which 

 liave given Dr. Ciray's text-books their extraordinary success. It pays special 

 attention to ecology, but morphology and physiology are also fully treated. 

 The illustrations number 3S4, and have been drawn with great care and 

 accuracy. The ap|)endix contains valuable suggestions for the teacher, ami 

 the index is verv complete. 



American Book Company 



New York Cincinnati Chicago Boston 



PSYCHE 



A JOURNAL OF ENTOMOLOGY 

 Established in 1874 



Publishes technical papers l)y recogni/ed authorities, antl popul.u articles 

 ciiaracterized by high scieniitic accuracy, giving ]iarlicuiar attention to ex- 

 ]ierimentai work. .A synopsis of current entomological liteiature ajijiears in 

 each number. Much space is given to ])r(il)lems connected with theinse( t 

 fauna of New Englaiut. 



Six Numbers a yc-ai: — j-'ehruary. .\piil. lane, August, (October. Decem- 

 ber. Annual suhsrription 1 >ne i)oilar. 

 rAMHKiDCK I-',N-H)Moi,()(;iiAi. ( ii'i'., 234 llcikelev St,, Boston, r. S. A. 



THE PLANT WORLD. 



An Illustrated Monthly Magazine of Popular Botany. 



$1,00 a year. Established 1897 12 numbers 



Otticial Crgan of the ^Vild Flower Preservation Society of America. 

 If you are interested in Botany the PLANT \V()R1,D will interest vou. 

 If you are a teacher of Botany, the PLANT WORLD will heli^i vou 

 by keeping you in touch witli inodern botanical thought. 

 Edited by Francis E. Lloyd 



Teachers College, Columbia University, 

 Send two cent stani]) for samjile cojiy. New York City. 



