26 



ebenoides, 11: 100. 12: 26, 68. 

 13: 37, 100. 14: 3, 86, ill. 

 15: 6. 16: 111. 17: 71, *$88. 

 18: 18, 116. 19: 68, 1 10. 20: 



38. 



Halleri, 18: *103. 



filix-foemina, 11: 35, 68, 100. 13: 



24. 14: 101. 15: 7. 19: 5. 



20: 11, 53. 

 Ferissi, 16: *t1, 17. 17: 4. 19: 



$33, 69. 

 firmum, 12: 37. 14: 86. 

 fontanum, 15: 11. 17: 71. 18: *103 

 Glenniei, 14: 86. 17: 6. 18: *10l. 

 lanceum, 12: 37, 79. 

 monanthemum, 14: 86. 17: 5. 

 montanum, 11: 100. 12: 68; us. 



13: 1 1. 14: 4, 80. 15: 7 . 17: 



72, 97, 1 12. 20: 10. 

 muticum, 11: 77. 12: 37. 14: 80. 

 myriophyllum. 12: 30, 40. 14: 



87, 109. 

 biscaynianum, 14: 87. 

 parvulum, 11: 35, 78. 12: 36, 68, 



75. 13: 11, 80. 14: 87. 15: 6, 

 17: 5. 18: 4. 19: 110. 20: 

 37. 



grandidentatum, 20: 79. 

 pinatifidum. 11: 14. 12: 68. 13: 10. 

 platyneuron, 12: 81. 14: 3. 15: 



5. 19: no. 20: 10, 38. 

 pumilum, 17: 48. 

 rupium, 20: 79. 



ruta-muraria, 11: 100. 12: 68, 75. 

 118. 13: 37. 14: 4. 68, 87. 

 15: 0. 17: 72. 19: 110. 20: 

 10. 



septentrionale, 12: 82. 14: 87. 



serratum, 12: 36, 46. 14: 87. 



trichomanes, 11: 35, 82. 100. 12: 

 19, 68, 75, 99. 13: 1 1. 38. 14: 

 3, 68, 87, 101. 15: 0. 17: 5. 



73. 19: 110. 20: 10. 38, 82. 

 incisum, 14: 87. 



x ruta-muraria, 16: *f46. 

 thelypteroides, 11: 68. 12: 08. 14: 



101. 20: 47. 

 vespertinum, 12: 9. 14: 88. 

 viride, 12: 9. 14: 88. 11: 82. 13: 

 38. 14: 68. 88. 

 Athyrium 



acrostichoides, 17: 73. 

 cyclosorum, n : 82. 12: 10. 13: 



76. 14: 88. 



filix-foemina, 11: 4, 82, 100. 12: 

 9, 37, 68, 99. 13: 12, 38, 56. 

 14: 4, 68, 88. 17: 7:5. 18: 12. 

 19: 111. 20: 38. 

 f. pectinatum, 13: 101 

 thelypteroides, 11:4, 100. 13: 12, 

 38. 14: 4, 68, 88. 19: 69, 110. 

 20: 38. 

 Azolla 



Caroliniana, 11: 5, 38, 71, 83, 104. 

 12: 38, 110. 120. 14: 73. 15: 

 12. 16: 10. 19: 118. 20: 26, 

 41, 47. 



filiculoides, 12: 12. 16: 16. 

 Blechnum 



occidentale, 13: 81. 



serrulatum, 11: 21. 12: 36, 46. 



14: 89. 

 spicant, 



bipinatum, 19: *t72. 

 Botrychium 



angustisegmentum, 17: 69. 

 biternatum, 11: 3, 117. 13: 87. 

 117. 



biternatum obliquum, 13: 87. 

 boreale, 13: 11 7. 

 Coulteri, 12: 4, 82, 97. 

 dissectum. 17: 68. 18: 17. 19: 

 108. 



lanceolatum. 11: 16, 81, 98. 12: 

 19. 13:,. 26. 117. 14: 7, 66, 

 99. 15:' 3. 16: 10, 31. 17: 

 105. 20: 78. 



lunaria. 12: 97. 13: 36. 117. 14: 

 66. 80. 15: 4. 20: 14. 

 onondagense, 14: *$80. 



lunariodes, 13: 6. 



matricariae, 13: 36. 16: 103. 



matricariaefolium, 11: 15, 81, 98. 

 12: 19. 36. 77. 117. 14: 11, 48, 

 66. 98. 15: 4. 82. 16: 84, 103. 

 17: 7. 69. 20: 15. 

 tenebrosum, 13: 117. 



obliquum, 11: 3, 67, 99. 12: 34. 

 13: 6. 25, 36. 14: 7. 98. 15: 

 3. 16: 84, 103. 17: 8, 68, 

 tlOI. 19: 6. 108. 20: 15. 36. 

 75. 



dissectum, 11: 99. 13: 36. 14: 

 7. 99. 16: 85, 103. 17: 8. 20: 

 15. 



elongatum, 11: 88, 99. 

 Habereri. 11: 88. 99. 

 intermedium. 11: 99. 13: 36. 

 14: 99. 16: 103. 



