Very small, smooth or nearly so, fronds narrowly oblong-lanceolate, once-pinnate, pinnæ cordate-ovate or triangular-ovate, 5-7 lobed. On moist rocks. P. [203].
57. SMOOTH WOODSIA
Woodsia glabella
Very small, smooth throughout and delicate, fronds linear, once-pinnate, pinnæ roundish ovate, lobed. On moist rocks. P. [206].
[FERN DESCRIPTIONS]
"Nature made a fern for pure leaves."—Thoreau