990 CRYPTOGAMIA. FILICES. Polypodium. 
varying much in form and size. Welsh Bot. Church porch at 
Great Alne; Walcot, and Wixford, Warwickshire: Badsey, Worces¬ 
tershire. Burton. Tor Abbey, Devon. Rev. J. P. Jones. Rocks at Cas¬ 
tle Eden Dean, and Boldon Hill, Durham ; on the Roman Wall, Shewing 
Shields, Northumberland. Winch Guide. Garden walls at Tocknels, 
near Pains wick. Mr. Oade Roberts. This species with A. Ceterach, Tricho- 
manes, Adiantum nigrum , and Scolopendrium, Polypodium vulgare , &c. 
abound on old walls at, and in the neighbourhood of, the Rookery, Bris- 
lington, near Bristol. E.) P. June—Oct. 
A. adian'tum-ni'grum. Leaves almost triply winged: wings alter¬ 
nate : leafits spear-shaped, cut-serrated. 
Kniph. 7— (j E. Bot. 1950. E.)— FI. Ban. 250—Gars. 126—Blackw. 220— 
Butt. 17. 1 and 3— Bod. 460— Ger. Em. 1137— Ger. 975. 1— H. Ox. xiv. 
4. 16— Lob. Ic. i. 810. 2—Park. 1049. 2. 
(Much larger than the foregoing. Fronds about a foot high. E.) Seeds 
saffron-coloured. Linn. Lobes, the extreme serratures so acute as 
almost to appear fringed. Woodw. Stalks black or deep red brown, 
glossy. Fructifications three to seven on each segment. 
Black Maidenhair. Oak Fern. (From the Greek compound dpvox - 
rspig, applied by some old authors to this plant. Welsh : Bueg-redynen 
ddu. Shady places and old walls. P. April—Oct.* 
Var. 2. Wings long, divided into very fine and longish segments. Sherard, 
in R. Syn. Pink. 282. 3. Wings with hair-like segments. Pluk. Fructi¬ 
fications none discovered. Possibly a variety of A. Adiantum-nigrum, 
into a very shady situation, but if a variety, it is a very extraordinary 
and beautiful one. Dill. 
(On rocks at Cocken, Durham, but rare. Mr. Winch. E.) 
Filix non ramosa, S)C. Pluk. Aim. p. 150. par. the last but one, as corrected 
according to Mant. p. 78. par. 4. Mountains of Mourne in the county of 
Down, Ireland. R. Syn. 
A. lanceola'tum. Leaves doubly winged, spear-shaped: wings alter¬ 
nate : leafits inversely egg-shaped, sharply cut and scolloped. 
Huds. 
F. Bot. 240— Bolt. 17. 2. ( but less sharply cut than in the preceding figured) 
Stalk black below, green upwards. Leaf bright green. Capsule in an ad¬ 
vanced state, forming roundish, as well as oblong, patches. E. Bot. 
Spear-shaped Spleenwort. On old walls and rocks about St. Ives, and 
other places in Cornwall. Hudson. On a wall in the village of Wharf, 
Yorkshire. Bolton. (In Whitaker’s Craven it is asserted there is no such 
village. E.) On the great rock at Tunbridge Wells. Mr. Forster. 
P. May—Sept. 
POLYPQ'DIUM.f Capsules disposed in distinct circular dots 
on the under surface of the leaf. 
Obs. The investigation of the species of this extensive Genus has always 
been attended with difficulties and uncertainties; partly owing to the 
* (Recommended by Hoffman as an antiscorbutic, E.) 
+ (Compounded of 7ro Xvs, many, and img, 7roSoafoot; according to Theophrastus, from 
its root, which extends itself by numerous superficial cirri , or radicles, resembling the 
polypus; and thus supports the plant. E.) 
