r0fess0r (8 ra's 



FOR COLLEGES, ACADEMIES, SCHOOLS, ETC, 

 BY ASA GRAY, M.D., 



FISHEIl PROFESSOR OF NATURAL HISTORY IN HARVARD UNIVERSITY 





I 



I. 



Gray's Lessons in Botany. 



LESSONS IN BOTANY AND VEGETABLE PHYSIOLOGY : 



Illustrated by over 360 Wood Engravings from drawings from 

 nature by Isaac Sprague ; and with a Glossary or Dictionary of 

 Botanical Terms. Price $1. 



*#* This work is designed to be a text-book for the study of Botany in 

 Schools, Seminaries, Academies, and Colleges, and is a complete and thorough 

 exposition of the science. It also introduces the student to, and serves as a 

 Grammar and Dictionary to 



II. 



Gray's Manual of Botany, for Schools. 



MANUAL OF THE BOTANY OF THE NORTHERN UNITED 

 STATES, East of the Mississippi, including Virginia and Kentucky. 

 With Six Plates, illustrating the genera of Ferns. Price $1 50. 

 *3j.* This. is the only complete Flora of the United States, and excels in the 

 beauty and clearness of its analytical descriptions. This, the School edition 

 comprises all that is contained in the larger illustrated work, except the por- 

 tion relating to Mosses, which has but little interest to any but the profes- 

 sional botanist, and is greatly reduced in price to adapt it to the wants of 

 classes in Colleges and Schools. This, and the above " Lessons in Botany." 

 make a complete series, comprising all that is required for the study of Botany 

 in this country. 



*** SINGLE COPIES of the above editions for Schools, sent at half price 



to Teachers for exa i.ination with a view to introduction into classes. 



PROF. GRAY'S SCIENTIFIC BOTANIES. 



IVISON & PHIXKEY supply also the larger and more elaborate Scientific 

 Works of Prof. Gray, designed for the use of Professional Students and 

 Amateurs of the science ; viz., 



I. MANUAL OF THE BOTANY OF THE NORTHERN UNITED STATES. Illtis 

 tnited Edition, including the MOSSES and LIVERWORTS of the whole United States, 

 by Mr. SULLIVANT ; forming a thick sm:ill Svo volume of 739 pages, and illustrated 

 with 14 beautiful Copper-plates, comprising nearly 1.000 figures drawn under the 

 Microscope. Price $2 5f>. 



Considering the labor and expense bestowed upon it, this is doubtless the cheapest Botan- 

 ical work ever published. 



II. GRAY'S BOTANICAL TEXT-BOOK f AN INTRODUCTION TO SCIENTIFIC 

 BOTANY, both Structural and Systematic. Fourth Edition. Illustrated by 1,200 

 Wood Engravings. (A Text-book for Colleges, Medical Students, etc.) Price $1 50. 

 HI. GRAY'S GENERA OF THE PLANTS OF THE UNITED STATES ILLUS- 

 TRATED. Vols. I. and II. Svo, with 188 Plates. 12. (For cash only.) 



IVISON & PHINNEY, 48 & 50 Walker Street, N. Y. 



