154 
Pteris, 28, 41, 51, 89. 
Pteris aquilina, 13, 14, 43. 
Red River, 73. 
Rockcastle County, 9, 35, 37; 55, 
89, 91, 97, 135, 137. 
Rockcastle River, 8, 124, 133. 
Springs, 93,123, 129, 130. 
Rock Springs, 37, 67, 105. 
Root-stock, 13, 81. 
Rough Creek, 37, 55. 
Royal Fern, 12, 133, 135. 
Scaly Polypody, 37. 
Schizzeacex, 25, 27, 127. 
Scolopendrium, 28, 77. 
Scolopendrium officinarum, iv. 
Selaginella convoluta, 38. 
Sensitive Fern, 11, 17, L109. 
Shield Fern, 85. 
Short Cave, 48. 
Sorus, 18. 
South Fork, 124. 
Spiny Shield Fern, 91. 
Spleenwort, 53. 
Sporangia, 18, 19, 20, 26, 121. 
Spores, 19. 
Structure, 11. 
Struthiopteris, 29. 

INDEX. 
Sweet Lick Knob, 47. 
Sweet-scented Fern, 119. 
Summer Fern, 69. 
Ternate Moonwort 143. 
Tree: Ferns, 9; 217. 
Trichomanes, 7, 29, 121, 130. 
Trichomanes radicans, 8, 58, 122. 
123. 
Unfolding of the Leaf, 12, 14, 71, 
121, 145, 147, 149, 151. 
Veins, 12. 
Vernation, 71, 121, 145, 151. 
Virginia Moonwort. 141, 143, 
145; 051: 
Walking-leaf Fern, 77. 
Wall-rue Fern, 67. 
Wardian Cases, 15. 
Wet Woods, 133. 137. 
What is a Fern? 11. 
Winter Fern, 99. 
Woodwardia, 28. 
Woodsia, 111. 
Woodsia Ilvensis, 113, 115. 
obtusa, 113. 
Woolly Lip Fern, 49. 
