MANUAL 



OF THE 



T AN Y 



OF THE 



NORTHERN UNITED STATES, 



INCLUDING 



VIRGINIA, KENTUCKY, AND ALL EAST OF THE MISSISSIPPI. 



By ASA GEAY^ 



FISHER PROFESSOR OF NATURAL HISTORY IN HARVARD* UNIYERSITT. 



(the mosses and liverworts by wm. s. sullivant.) 



FOURTH REVISED EDITION. 



TO WHICH IS ADDED 



GARDEN BOTANY, 



AN INTRODUCTION TO A KNOWLEDGE OP TTIE COMMON CULTIVATED 



PLANTS. 



WITH TWENTY-TWO PLATES, 



ILLUSTRATING THE GENERA OF THE GRASSES, FERNS, 



MOSSES, ETC. 



NEW YORK: 

 IVISON, PHINNEY, & CO., 48 & 50 WALKER STREET. 



CHICAGO: 



S. C GRIGGS & CO., 39 & 41 LAKE STREET. 

 1863. 



