154 
BEAUTIFUL FERNS. 
Acad. (n. s.) vi., p. 421. — Mettenius, Fil. Hort. Lips., p. 97. — 
Maximowicz, Prim. FI. Amur., p. 337. — Eaton, in Chapman’s 
Flora, p. 596. — Hooker & Baker, Syn. Fil., p. 46. — Miquel, 
Prolus. FI. Jap., in Ann. Mus. Bot. Lugd.-Batav., iii., p. 179. — 
Milde, Fil. Eur. et Adant., p. 157. — Redfield, in Bulledn of 
Torrey Botan. Club, vi.’, p. 4. — Williamson, Ferns of Ken- 
tucky, p. 109, t. xli; Fern-Etchings, t. xlv. 
Onoclea obtusilobata, Schkuhr, Krypt. Gew., p. 95, t. 103. — Pursh, FI. 
Am. Sept., ii., p. 665. 
Onoclea obtusiloba, Link, Fil. Hort. Lips., p. 37. 
Os?mmda fro?idibus pinnatis foliolis superioribus basi coadunatis, omni- 
bus lanceolatis, pinnato-siozuatis, Linnaeus, Hort. Cliff., p. 472. — 
Gronovius, FI. Virginica, p. 196; ed. ii., p, 163. — (Other 
ancient names are repeated by Linnalus and Willdenow.) 
Hab. — Wet meadows and thickets, from New-Brunswick to the Sas- 
katchewan, extending southward through Dacotah, Kansas, and Arkansas 
to Louisiana, and eastward to St. Augustine, Florida, one of our com- 
monest and most abundant ferns, often occupying large portions of land 
to the partial exclusion of other plants. Not found in western America 
or in Europe, but occurring in Japan, Mantchooria and eastern Siberia. 
Description ; — The root-stock is about one-third of an 
inch thick, and irregularly roundish in section. It creeps 
widely below the surface of the ground, rooting freely and 
often forking, so that in cultivation it is very difficult to con- 
fine the plant to one spot. The root-stock contains six or 
eight roundish or flattened fibro-vascular bundles arranged in a 
circle near the outer surface. It bears no chaff. The stalks 
are scattered along its length, the apex being covered with the 
