206 GLAUCUS; OR, 



tion to systematic botany wliicli has yet appeared. 

 Trained, and all but self-trained, like jMr. Hugh 

 Miller, in a remote and narrow field of observation, 

 Mr. Johns has developed himself into one of our 

 most acute and persevering botanists, and has added 

 many a new treasure to the Flora of these isles ; and 

 one person, at least, owes him a deep debt of gra- 

 titude for first lessons in scientific accuracy and 

 patience, — lessons taught, not dully and dryly at the 

 book and desk, but livingly and genially, in adven- 

 turous rambles over the bleak cliffs and ferny woods 

 of the wild Atlantic shore, — 



" Where the old fable of the guarded mount 

 Looks toward Namancos and Bayona's hold." 



lyir. Henfrey's " Paidiments of Botany " might accom- 

 pany ]\Ir. Johns's books. Mr. Babington's " Manual 

 of British Botany " is also most compact and highly 

 finished, and seems the best work which I know of 

 from which a student somewhat advanced in English 

 botany can verify species ; while for ferns, Moore's 

 " Handbook " is probably the best for beginners. 

 For Entomology, which, after all, is the study most 



