38 
BEAUTIFUL FERNS. 
Parry’s Exped. to Japan, ii., p. 329. — Maximowicz, Primitiae FI. 
Amurensis, p. 341. — Mettenius, Fil. Hort. Lips., p. 47 ; Prolu- 
sio FI. Japon. in Ann. Mus. Bot. Lugd.-Batav., iii., p. 171. — 
Hooker & Baker, Syn. Fil., p. 125. — Milde, Fil. Fur. et Atl., 
p. 31. — Keyserling, Gen. Adiantum, in Mem. Acad. Petrop., ser. 
vii., xxii.. No. 2, pp. 5, 28. 
Adiantum Americammi, Cornutus, Canad. PI. Hist., p. 7, t. 6 (1635). 
Maiden Hair, or Cappellus veneris verus, Josselyn, New Englands Rarities 
Discovered, p. 55 (1672). 
Adiantum fronde stipr a- decomp osita bipartita, foliis purtialibus alternis, 
foliolis trapeziformibus obtusis, Gronovius, Flora Virginica (1739), 
p. 123. (For other ancient references see Linnaeus, as quoted 
above.) 
Adiantum boreale, Presl, Tent. Pterid., p. 158. 
Hab. — In rich, moist woods, especially among rocks. Common from 
New Brunswick and Canada southward to Central Alabama, Professor 
Eugene A. Smith, and westward to Lake Superior, Wisconsin, and Arkan- 
sas. Also in Utah, California, Oregon, British Columbia, the islands of 
Alaska, Kamtschatka, Japan, Mantchooria, and the Himalayan provinces of 
India. Ruprecht speaks of specimens from Newfoundland, and Professor 
Gray informs me that it exists in De La Pylaie’s collection from that island. 
Description. — The root-stock is elongated and creeping. It 
is about the diameter of a goose-quill, is covered with minute ovate 
scales, roots copiously from beneath and along the sides, and 
produces fronds from the right and left sides alternately. The 
stalks are usually from a foot to fifteen inches high, and from 
half a line to a line in thickness. When very young, they bear 
a few scattered narrow scales ; but these soon fall off, leaving 
