ASPLENITJM. 
589 
long. — A very doubtful native. Stations want confirmation, to 
see if it was planted. Formerly on Amershani Church, Bucks ! 
Wybourn, Westm. Hudson. Northumberland. J. Backhouse. 
Tany Bwlch and Tremadoc, Merionethshire. Ashford, Hants ! 
P. VI.-IX.] E. 
2. A. lanceoldtum (Huds.) ; fronds Janceolate bipinuate, pin- 
nules obovate deeply and sharply toothed or lobed, clusters short 
nearly marginal.— B. 240. //. /•'. 32. X. 249.— Fronds 
-'imetimes nearly linear and simply pinnate, always narrowed 
at the base. Clusters oblong, ultimately rather confluent into 
roundish masses. — Eocks and walls, rather rare. P. VI. — IX. 
E. I. 
3. A. Adiaiitum-nigrum (L. em. \i\xds.) , fronds ovate tri- 
angular or triangular-prolonged twice or thrice pinnate, pinnae 
and pinnules triangular sharply toothed, clusters long central. 
—E. B. 1950. X. 225. — Clusters 2 or 3 times as long as in the 
preceding, placed near the midrib and ultimately confluent in 
oblong masses often covering the whole under surface of the 
pinnule. — a. : fronds about as long as the stipe ovate-triangular, 
pinnae and pinnules triangular-prolonged, ultimate subdivisions 
blunt. — ^. A. Serpent ini (Tausch) ; pinnules triangular very 
broad, lobes ovate blunt. — .1. acutum (Bory) : fronds much 
shorter than the stipe triangular-prolonged, pinnaj and pinnules 
lanceolate-attenuate, ultimate subdivisions very acute. N. 
231. — Rocks and walls. ^. " Serpentine rocks of Cabrach, 
Aberdeenshire.'' T. Moore. \. South-west of Ireland. P. 
VI.— IX. Black Spleenwort. E. S. I. 
4. A. Trkhom'aties (L. em. Huds.) ; frond linear pinnate, 
pinnaj roundish-ovate crenate, veins forked below the clusters. — 
£. B. 576. H. F. 29. X. -285.— Ba'chis black keeled beneath. 
Pinna; scarcely oblique : both edges rounded and crenate except 
at the base, upper often bluntly auricled beiow.— A. anceps 
(Sol. ? ) ; pinnee oblong blunt wedgeshaped below upper edge 
and end crenate-dentate lower entire. Finn* oblique, lower 
edge nearly straight ; lower pinna much the smaller. — A curious 
variety is occasionally found with its pinna; deeply but irregu- 
larly pinnatifid with linear notched segments, [a. cifTmontcp. 
(Sy.) is appareDtly a hybri(i between this and Sp. 7.) — Rocks and walls. 
p. Killarney. P. V. — X. Common Spleenirort. E. S. I. 
5. A. virideiliviAs,.) ; fronds linear pinnate, pinnas roundish- 
ovate or rhomboidal crenate, veins simple ox forked beyond the 
sori. — E. B. 2257. //. F. 30. — Batihis green, not keeled. Sori 
at length confluent. — Rocks and mountains. P. VI. — X. 
E. S. I. 
2 L 
