— Stems pendulous, 1 -3 ft. long, several times dieliotomously
forked, about 4 iu- diam. including the leaves. Leaves moderately
dense, ascending, ascending, lanceolate, acute, thick and glossy,
green, entire, f - f in. long ; midrib distinct. Sporangia in long
simple spikes in the axils of ovate-lanceolate green bracts 4 - i hi.
loug.V
ar. hi-iichgstiiclii/s Baker.— Leaves and bracts shorter, very
glossy. Spikes short.
Hab. Mountains of Transvaal, Natal, Zanibesi-land, Cameroons, Fernando
Po and St. Thomas. Var. hradnjstachys', Cameroons, Mann 2041!
47. L. SQUABEOSDM Foi'st. Pi'odr. No. 479. L. tdicifoliiim Vent.
Hook. F il. Exot. t. 28. L . epicea;folium and llip pu ris Desv. L.
Forsteri Poir. L . Bliimeanum De Vriese. L. proUferion Blume.
L. llookcri W a ll.; Hook et Grev. Ic. t. 183. L . protensum Hook,
et Grev. L. acutifoliwn Desv.— Stems pendulous, 1 -2 ft. long,
2 -8 times dichotomously forked ; branches and branchlets long,
| - 1 in. diam. iiioluding leaves. Leaves lanceolate, crowded,
moderately firm in texture, dark green, entire, spreading or loosely
asoeiidiiig 4 - f iu. lo n g ; midrib distinct. Sporangia arranged in
long usually simple spikes in the axils of much-reduced erecto-
patent lanceolate green leaves 4 - i iu. long.
Hab. East Himalayas, Khasia, Ceylon, Malay Isles, Philippines, Polynesia,
Seychelles, Mascaren Isles.
48. L. EOHiNATUM Spring Mon. ii. 24.— Stems stout, pendulous,
stramineous, 2 -3 ft. long, several times dichotomously forked, f in.
diam. low down, including leaves. Leaves crowded, ascending,
lanceolate, pale green, flattish, entire, firm and rigid in texture,
I in. long; midrib hidden. Sporangia in long flexuose spikes J iu .
diam. in the axils of rigid ovate-lanceolate almost pungent acutely-
keeled bracts 4 -4 iu- long.
Hab. Andes of New Granada, Pu rd ie ! Allied to L. taxifolium var.
2 iasserinioides and gnidioides.
49. L. D a l h o u s ie a n u m Spring Mon. ii. 25. L . ¡/laucuiii. Cesati.
— Steins robust, pendulous, little branched, stramineous, 2 ft. or
more long, about 1 in. chain, including the leaves. Leaves crowded,
asecending, rarely spreading, lanceolate, firm in texture, glaucous
green, entire, f - 1 in. lo n g : midrib distinct. Sporangia in simple
flexuose spikes 6 -1 0 in. long in the axils of crowded ovate or
ovate-lanceolate bracts 4 - i in- long.
Hab. Mountains of Borneo and the Malay Peninsula, first gathered by
Lady Dalhousie. A very distinct and striking species.
Subgenus I I I . L e p id o t i s .
Group of L. inumlatum.
50. L. iNUNDATUM Lliin. Sp. P lant, edit. ii. 1566; Schk. Krypt.
t. 1 6 0 ; FI. Dan. t. 336; Hook. Brit. Ferns t. 51. L. pahistre
L am .— Main stem trailing, simple, 2 -4 in. long, sending out
copious rootlets and 1 -2 stiffly erect simple fertile branches 2 -4 in.
in. long. Leaves lanceolate, crowded, pale green, entire, J -4 in.
long, moderately firm in texture, with a distinct midrib, those of
the trailing stem secund, of the peduncle spreading or ascending.
Spikes simple, stiffly erect, f - l in. long, 4 -4 in. d iam .; bracts
crowded, 4 - 4 iu- long, lanceolate from a dilated toothed base.
Var. L. Bitjelovii Tuckerm. L. diversifolium Nuttall.— Barren
and fertile stems both much longer, sometimes a foot long. Spike
sometimes 4 ft- long.
Hab. Swamps of Europe, Canada, Pennsylvania and New England. Var.
Bigelovii, Pennsylvania, New England and Florida (var. appressum, Chapman).
The whole plant perishes iu winter except the tip of the trailing sterile stem.
51. L. D r u m m o n d i i Spring Mon. ii. 35. L. serpentinn.m Kunze.
— Main stem trailing, branched, 2 -4 in. or more long, sending out
rootlets and distant stiffly erect simple fertile branches 2 -6 in.
long. Leaves of trailing stem crowded, lanceolate, ascending,
much imbricated, glossy, pale green, entire, firm in texture, 4 in.
lo n g ; midrib obscure ; those of the peduncle much laxer, stiffly
erecto-patent, very decurrent. Spikes simple, 4 - 4 hi. long, sometimes
interrupted; bracts rigid, deltoid-cuspidate, ereoto-pateiit,
greenish yellow, l-1 2 th to l-8 th in. long.
Hab. Swan Eiver,/IntnwreoKii! Moreton Island, Jl/iieii«-! New Zealand,
Culenso! Habit of L . carolinianum, but leaves quite uniform.
52. L. ALOPECUKOiDBS Linii. Sp. Plant, edit. ii. 1565 (Dill,
Muse. tab. 62, fig. 8); Schk. Crypt, t. 160. L . lonyipes Hook et
Grev.—Barren stem trailing, 4 -2 ft- long, sending out copious
roots, short procumbent sterile branches and distant stiffly erect
fertile branches 4 - I long. Leaves of the trailing stems
crowded, lanceolate, acuminate, pale green, entire, 4 -4 ui- long,
moderately firm in texture, spreading or a sc en d in g ; those of the
peduncle not so dense, move rigid, ascending, often ciliated.
Spikes sim p le ,!— 6 in. long 4 - 4 iu. d iam .; bracts very crowded,
linear, arcuate, 4- 4' iu- long, ascending or lower spreading.
Var. L . contextum Mart. Icon. Crypt. Bras. 38, tab. 20, fig. 1.
L. Matthewsii Hook. Ic . t. 26 .— More luxuriant, with spikes f in.
diam.
Var. L. Nettoanum Glaziou.— Fertile and sterile branches of
the trailing stem both assurgeut and forked.
Hab. Throughout America, from the Northern United States to Monte
Video, ascending to 8000 ft. in the Andes. Var. aquaticum, Sjiring, is a sterile
submerged form with lax crisped leaves.
Group of L. Phlegmaria.
53. L. OALLiTRiCH^FOLiuM Mett. F il. Nov. Gran. 392. L. aqua-
lupianum var. ohtusifolium Spring. — Stem slender, flaccid, pendulous,
1 -2 ft. long, several times dichotomously forked, stramineous,
rarely bright red. Leaves lax, oblong or oblanceolate-oblong,
obtuse, 4 - i in- long, moderately firm in texture, green, entire ;
midrib distinct. Spikes very slender 4 -1 ft. long, several times
dichotomously forked; bracts lax, ovate, acute, a little longer than
the sporangia.
Hab. Andes of New Granada and Ecuador, ascending to 10,000 ft. Habit
of L. sululatum, but leaves very different.