INDEX 



229 



Stem, stem apex: 



Marattia, 192 



Marattiaceae, 154, 162 



Ophioglossum, 42, 50, 56, 89, 91, 94, 97, 99 

 Sterilization of sporogenous tissue, 209 

 Stipule, stipular sheath: 



Botrychium, 61, 101 



Daruea, 1 70 



Helminthostachys, 71, 73, 105 



Kaulfussia, 185, 187 



Marattia, 195 



Marattiaceae, 118 



Ophioglossaceae, 83, 84 



Ophioglossum, 91 

 Stomata: 



Botrychium, 101 



Damea, 151 



Helminthostachys, 106 



Kaulfussia, 1 52, 187 



Marattia, 195 



Ophioglossum, 96 

 Suspensor: 



Botrychium, 47, 48, 53, 136 



Dana?a, 118, 136 



Synangium, 204, 205, 206, 207, 208 

 Tannin cells: 



Angiopteris, 146 



Danaea, 165, 169, 171 



Helminthostachys, 79, 84 



Kaulfussia, 185 



Marattia, 189 



Marattiaceae, 150 

 Tapetum, ill, 116, 206 

 Trabecule?, 207 

 Tracheary tissue: 



Angiopteris, 201 



Botrychium, 66 



Helminthostachys, 68, 79, 82 



Kaulfussia, 185 



Marattia, 189 

 Ventral canal-cell, 30, 31, 133. 134, 176, 187, 194 



201, 213 

 Vestigial leaves: 



Botrychium lunaria, 51 



Helminthostachys, 69, 81 



Ophioglossum vulgatum, 35 



