Gary Fewless
Key to the Ferns
| 48. Indusia round, attached at a narrow sinus
and comprised of one piece, covering the sori from above; old dried-up
leaves often remaining conspicuously attached; leaves with the odor of
hay. |
Dryopteris fragrans |
| 48. Indusia cup-shaped and formed of hair-like or strap-shaped segments, surrounding the sori from below; older leaf bases persistent, but blades and upper portion of stipes are frequently broken off, especially in the commoner species; leaves lacking the distinctive odor of hay. | 49 |
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