10 



Saunders, Mrs. Elizabeth H. 18: 128. 



*Scott, Robert Robinson. 11: 50. 



*Underwood, Eucien Marcus. 15: 65. 

 Deciduous British Ferns. 15: 75. 

 Destroying the Ferns. 12: 55. 



*fDicksonia, Another form of. — Willard N. Clute. 19: 7. 

 Dicksonia pilosiuscula f. nana. 13: 101. 



Dimorphic Ferns, The Relation between the Fertile and Sterile Leaves of. 



— George F. Atkinson. 19: 81. 

 Dimorphic Fronds, On Changes of Function in. — Willard N. Clute. 16: 65 

 Distribution of Asplenium alternans, The. — Willard N. Clute. 19: 38. 

 Distribution of The Botrychia. — E. J. Winslow. 14: 48. 

 Distribution of Certain Plants in Western Pennsylvania. — Notes on the. 



— Otto E. Jennings. 18: 99. 

 *Dodge, RaynaL— Willard N. Clute. 12: 51. 

 Dodge's Fern.— A. A. Eaton. 12: 57. 



Dorset, More About the Ferns of.— Mrs. E. H. Terry. 13: 84. 

 *fDrymoglossum carnosum. — Willard N. Clute. 19: 65. 

 Dryopteris Filix-mas in Vermont. — Tracy E. Hazen. 14: 25. 

 ♦fDwarf Spleenwort, The.— Willard N. Clute. 17: 48. 



Eaton, Alvah A., Death of. 16: 109. 



*JEbony Fern, A Forked.— Willard N. Clute. 17: 88. 

 *$Ebony Spleenwort, Forms of. 19: 115. 



Ecology of Some Tropical Ferns, The. — E. B. Copeland. 15: 102. 



Editorial. 11: 28, 60, 92, 123. 12: 28, 60, 92, 124 13: 28, 61, 92, 124. 

 14: 28, 60, 92, 124. 15: 28, 60, 92, 128. 16: 28, 60, 92, 

 124. 17: 28, 60, 92, 122. 18: 22, 58, 88, 118. 19: 22, 58, 92, 126. 20: 



30, 62, 92. 



JEquisetum, A New Species of. — Willard N. Clute. 12: 20. 

 Equisetum hyemale. — C. E. Waters. 15: 82. 

 Equisetum hyemale, Notes on. — Chas. C. Plitt. 16: 113. 

 tEquisetum in North America, The Genus. — A. A. Eaton. 11: 7, 40, 73, 

 108. 12: 23, 39. 



Equisetum, The Measurements of Variation in. — Willard N. Clute. 12: 15 

 Equisetum robustum. — R. S. Cocks. 11: 16. 

 Equisetum scirpoides in Illinois. — E. J. Hill. 13: 21. 

 Equisetum scirpoides in Connecticut. — A. Vincent Osmun. 11: 44. 

 Equisetum variegatum Alaskanum, A Correction. — A. A. Eaton. 12: 70. 

 Equisetum variegatum in Connecticut. — A. Vincent Osmun. 12: 89. 

 Equisetum variegatum Jesupi, A Correction. — A. A. Eaton. 12: 70. 

 European Ferns, Current Literature Relating to. — Aug. H. Hahne. 

 12: 86. 



