42. CRESTED SHIELD FERN
Aspidium cristatum
Usually rather large, fronds linear-oblong or lanceolate, once pinnate with pinnatifid pinnæ, linear-oblong, fruit-dots between midvein and margin. In swamps. P. [170].
43. CLINTON'S WOOD FERN
Aspidium cristatum, var. Clintonianum
In every way larger than preceding species, fronds usually twice-pinnate, pinnæ broadest at base, fruit-dots near the midvein. In swampy woods. P. [172].
44. GOLDIE'S FERN
Aspidium Goldianum
Large, fronds broadly ovate or the fertile ovate-oblong, once-pinnate with pinnatifid pinnæ, pinnæ broadest in the middle, fruit-dots very near the midvein. In rich woods. P. [174].