FERNS 



IN THEIR HOMES AND OURS. 



BY 



JOHN ROBINSON, 



PROFESSOR OF BOTANY AND VEGETABLE PHYSIOLOGY, MASSACHUSETTS 



HORTICULTURAL SOCIETY, BOSTON', IN CHARGE DEPARTMENT 



OF BOTANY, PEABODY ACADEMY OF SCIENCE, * 



SALEM. 



FIFTH EDITION. 



BOSTON: 



1894. 



