Asplenium. 
FILICES. 
4.87 
Var. imquale. Frond bipinnate, with linear pinnules entire or 
t oothed at the tip. Csenopteris inaequalis and intermedia, Bojer , Hort. 
Maur. 393-4. 
Var. BiEiDUM. Frond bipinnate, with linear, cuneate deeply bifid 
lower pinnules. Caenopteris bifida, Bojer , Hort. Maur. 394. 
Var. tripinnatifidum. Frond tripinnatifid, with the lower pinnules 
cut into ligulate erecto-patent tertiary segments. Csenopteris violascens, 
Bojer , Hort. Maur. 394. Asplenium palmatifidum, Moore ; Kuhn , Ml, 
Ajric. 110. 
Mauritius, common in the forests. Also Bourbon. A. obliquum, Bojer, Hort. 
Maur. 395, not Forst., is a form of this -with proliferous pinnae, so that we unite here 
as one what Bojer has treated as seven species. 
7. A. aequabile, Baker ; Hook, and Baker , & yn. Fil. edit. ii. 485. 
Rootstock and scales not seen. Stipe short, naked, straw-coloured. 
Frond lanceolate, glabrous, subcoriaceous, simply pinnate, 5-6 in. long, 
an inch broad ; rachis naked. Pinnae numerous, close, subsessile. 
oblong-quadrate, obtuse, crenate all down the margins, \ in. long, l in. 
broad, parallel with the rachis and rather auricled on the upper side 
at the base, cuneate on the lower. Veins distant, erecto-patent, simple 
except the lowest on the upper side. Sori oblong, nearly reaching the 
edge, but distant from the midrib. 
Island of Diego Garcia, a single specimen sent by Lady Barkly. Endemic. 
8. A. pellucidum, Lam.; Bojer, Hort. Maur. 395. Rootstock woody, 
erect ; scales dense, linear, brown or nearly black. Stipes tufted, 
1-4 in. long, naked or finely scaly. Frond lanceolate, glabrous, subco- 
riaceous, simply pinnate, 1-3 feet long, 4-8 in. broad ; rachis dark- 
coloured and conspicuously furfuraceous throughout. Pinnae very 
numerous, close, sessile, the central ones oblique linear, acute, 1-4 in. 
long, -*■- 1 in. broad, toothed all down the edges, parallel with the rachis 
on the upper side at the base, cuneate on the low er, many lower ones 
growing gradually smaller and more obtuse. Veins fine, erecto- 
patent, branched. Sori linear, reaching from near the midrib more 
than halfway to the edge. Involucre narrow, glabrous. A. hirtum, 
Kaulf. ; Hook, and Baker , Syn. Fil. 205. A. plumosum, Bory ; Bojer , 
Hort. Maur. 396. 
Mauritius, Seychelles, and Rodriquez, frequent in shady ravines. Also 
Bourbon, Madagascar, Tropical Asia, and Polynesia. 
9. A. nitens, Sw. ; Hook, and Baker , Syn. Fil. 206. Rootstock 
creeping, as thick as a man’s finger ; scales brown, linear. Stipes dis- 
tant, naked, brownish. Frond oblong-lanceolate, glabrous, sub- 
coriaceous, simply pinnate, 1-1 \ ft. long, 6-10 in. broad ; rachis naked. 
Pinnae numerous, subsessile, oblong-lanceolate, acuminate, 3-4 in. long, 
■^-iin. broad, toothed all down the edges, parallel with the rachis on 
the upper side at the base, cuneate on the lower. Veins fine, close, 
forked, erecto-patent, very oblique. Sori linear, reaching from the 
midrib halfway to the edge. Involucre narrow, persistent, glabrous. 
Mauritius, frequent on fallen trunks in the forests. Also Bourbon and 
Comoros. 
