414 
94. FILICES. 
3. A. Trichomanes (h.) ; frond linear pinnate, pinnae roundish- 
ovate crenate stalked, nerves forked below the sori. — E. B. 5/(). 
IV. 11S5. — Rachis black. A curious variety is occasionally found 
with its pinna; deejdy but irregularly ])innatifid w'ith linear notched 
segments. — Rocks and walls. P. V. — X. Common Spleenwort. 
4. A. viride (Iluds.); frond linear pinnate, pinnae roundish- 
ovate or rhoinboidal crenate stalked, nerves simple or forked be- 
yond the sori.- — E. B. 2257. N. 281. Rachis green. Sori at 
length confluent. — Rocks on mountains. P. VI. — X. 
5. A. marinum (L.) ; frond linear simply pinnate, ]>innae stalked 
ovate or oblong serrate unequal and wedgeshaped at the base. — 
E. B. 392. N. 275 . — Varying greatly in size. Sori not confluent. 
— Maritime rocks. P. VI. — X. 
** Ultimate subdivisions without a distinct midvein. 
Am ESI DM Newm. 
6. A. Ruta-muraria{h.)-, fronds bipinnate, rhomboid- 
wedgeshaped notched or toothed at the end, indusium jagged. — 
E. B. 150. N. 261. — Fronds 3 — 1 in. long. — Rocks and old walls. 
P.V.— IX. Wall Rue. 
7 . A. germanicum (Weiss.); fronds simjdy and alternately pin- 
nate, pinnules nairow-w'edgeshaped the lowermost ternate, in- 
dusium entire at the edge. — N. 265. A. alternifolium Sm.,E. B. 
2258. — Fronds 3 — 4 in. long. — Rocks, very rare. P.VI. — IX. — S. 
8. A. septentrionale (IIull)j fronds 2- or 3-cleft, segments 
elongate-lanceolate bifid. — E. B. 1017. JV. 269. — Segments of 
the fronds very narrow, narrowing gradually downwards, with 
1 or 2 short bifid lateral teeth, and bifid at the end. — Dry clefts 
of rocks, rare. P. VI. — X. E. S. 
9. ScOLOPENDRIUM S?n. 
1. S. vulgare (SjTn.); frond oblong strapshaped smooth sim- 
ple with a cordate base, stijies shaggy. — E. B. 1150. Phyllitis 
Scolopendrium JV. 289. — Fronds 1 — 2 feet long, acute, often 
erisjied towards the end and occasionally the end is multifid. — 
Damp and shady places. P. VII. VIII. Hart’s-tongue. 
10. Ceterach Willcl. 
1. C. Officinarum (Willd.); fronds pinnatifid covered beneath 
with dense scales, pinna; alternate or opposite obtuse sessile.— 
Notolepum Ceterach JV. 293. Scolopendrium Ceterach Sm.,E.B. 
1244. — Fronds 3 — 6 in. long, green and smooth above, wholly 
covered by very numerous scales beneath, amongst which the 
thecae are almost hidden. — Old walls and rocks. P. IV. — X. 
