27 



matricarioides, 11: 99. 

 Oneidense, 11: 99. 16: 103. 

 tenuifolium, 11: 99. 

 occidentale, 11: 81. 12: 97. 

 Onondagense, 11: 99. 

 pumicola, 13: 117. 

 ramosum, 18: 33, 86. 20: 48. 

 silaifolium, 12: 4. 

 simplex, 11: 81, 99. 12: 4. 13: 

 36, 117. 14: 66, 84, 98. 15: 

 17. 16: 103. 17: 69. 18: 87. 

 19: 20: 14. 



fallax, 13: 75. 

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



49. 17: 69. 

 ternatum, 11: 72. 



dissectum, 15: 49. 

 ternatum obliquum, 11: 116. 12: 

 65. 13: 118. 14: 66. 

 Coulteri, 11: 116. 13: 118. 

 dissectum, 11: 116. 13: 118. 

 intermedium, 11: 116. 13: 118. 

 matricariae, 11: 116. 13: 118. 

 occidentale, 11: 116. 

 Oneidense, 11: 116. 13: 118. 

 robustum, 11: 116. 13: 118. 

 silaifolium, 11: 116. 13: 118. 

 tenuifolium, 11: 116. 13: 118. 

 silaifolium, 11: 117. 

 Virginianum, 11: 3, 34, 67, 81, 99. 

 12: 34, 65, 76, 97. 13: 6, 25, 

 55, 118, 121. 14: 7, 42, 66, 99. 

 15: 4. 17: 69. 19: 48, 108. 

 20: 15, 36, 53. 

 gracile, 13: 118. 

 Camptosorus 



rhizophyllus, 11: 68, 100. 12: 69, 

 76. 13: 12, 38. 14: 4, 69, 89, 

 101. 15: 7, 86. 16: 102. 17: 

 73. 19: 111. 20: 11, 38, 56. 

 intermedia, 14: f89. 

 Ceratopteris 



thalictroides, 11: 3, 13. 12: 35. 

 14: 56. 

 Ceropteris 



triangularis, 12: 58. 

 Cheilanthes 



Alabamensis, 11: 35. 12: 36. 13: 



9. 14: 89. 

 amoena, 12: 7. 

 argentea, 14: 89. 

 California, 12: 7. 14: 89. 

 amoena, 14: f89. 



Clevelandii, 14: 89. 

 Cooperae, 12: 7. 14: 89. 

 Eatonii, 11: 35. 14: 89. 17: 34. 

 ! Feei, 17: 3. 20: 37. 

 Fendleri, 11: 35. 12: 8. 14: 89. 

 17: 3. 



fibrillosa, 12: 7. 14: 90. 

 gracillima, 11: 82. 12: 7, 99, 109. 



14: 3, 90. 

 lanosa, 12: 81. 19: 109. 20: 37. 

 lanuginosa, 11: 35, 67, 82. 12: 



76, 99. 14: 90. 

 lendigera, 14: 188. 17: 4. 

 leucopoda, 11: 35. 14: 118. 

 Lindheimeri, 11: 35. 14: 118. 17: 



3. 



Matthewsi, 13: 81. 

 microphylla, 11: 35. 12: 36. 14: 

 118. 



Moritziana, 12: 44. 14: 118. 

 myriophylla, 11: 35. 12: 8, 82. 

 14: 118. 



Parishii, 12: 7. 14: 118. 16: 35. 



Pringlei, 14: 118. 



sonorensis, 20: 79. 



tomentosa, 11: 35. 13: 10. 14: 



■ 118. 17: 3. 

 vestita, 11: 100. 12: 69. 13: 10 



14: 119. 17: 73. 

 viscida, 12': 7. 14: 119. 

 Wrightii, 11: 35. 14: 119. 17: 3. 

 Cryptogramma 



acrostichoides, 11: 82. 12: 8, 99. 



14: 3, 67, 119. 20: 10. 

 gracilis, 14: 119. 

 Stelleri, 20: 10. 

 Cystopteris 



bulbifera, 11: 69, 101. 12: 69, 76. 

 13: 38, *$99. 14: 5, 71, 100. 

 119. 15: 10, 16, 103. 16: 102, 

 17: 3. 19: 112. 20: 12, 40. 

 fragilis, 11: 69, 83, 100. 12: 11, 

 69, 76, 98. 13: 38, 77. 14: 5, 

 71, 100, 120. 15: 10, 53. 17: 

 5, 74. 18: 16. 19: 5, 112, 

 128. 20: 13, 40, 71. 

 angustata, 14: f!20. 

 dentata, 14, 100, fl20. 

 laciniata, 14: fl20. 

 Mackayi, 14: 120. 

 maenasora, 14: tl20. 

 sempervirens, 18: 85. 

 tenuifolia. 16: *J75. 

 Montana, 14: 7, 120. 



