Glossary: Margins
Each species has characteristic margins for the lamina, for scales, and sometimes for indusia.
Margins of the Lamina, Scales, or Indusia
 | |||
|---|---|---|---|
| 196 entire | 194 dentate | 183 incised | 189 ciliate |
| 192 crenate | 199 serrate | 185 lacinate | 200 setose |
| 197 erose | 184 lacerate | 190 cincinnate | |
Base Forms for Blades, Pinnae, or Scales
 | |||
|---|---|---|---|
| 98 attenuate | 102 cuneate | 97 acute | 107 obtuse |
| 96 acuminate | 99 auriculate (eared) | 101 cordate | 106 hastate |
| 110 truncate | 100 biauriculate | 105 excavate | |
Apical Forms for Blades, Pinnae, or Scales
 | |||
|---|---|---|---|
| 122 emarginate | 113 acuminate | 114 acute | 116 apiculate |
| 118 attenuate | 120 cuneate | 127 round | 119 caudate |
| 124 obtuse | 121 cuspidate | 123 mucronate | |
All the illustrations here are from A Modern Multilingual Glossary for Taxonomic Pteridology , David B. Lellinger, American Fern Society, 2002, with permission.
