Hab. Mountains of New Granada, Ecuador and Guiana. Intermediate
between L , Unifolntm and verticillatum.
37. L. LINIFOLIUM Linn. Sp. P lant, edit. ii. 1563 (Dill. Muse. t.
57, fig. 5). L . flexibile and /icfirocrtiyw« F é e .— Stems very slender,
square, very pendulous, stramineous, several times dieliotomously
forked. Leaves linear, laxly disposed, loosely ascending,
long, thin in texture, green, entire ; midrib very distinct. Sporangia
in the axils of unaltered leaves all down the stems.
Hab. Throughout Troiiioal America, from Mexico and the IVest Indies to
Peru and South Brazil, ascending to 10,000 ft. in the Andes. L . lieterocarpon
differs from the type by closer leaves, of firmer texture and var. sanguineum
Spring by its bright red stems.
38. L. DICHOIOMÜM Jacq. Hort. Vind. iii. 26, t. 45. L . pithy-
aides Cham, et Schleoht. L . waiidioccajiMm Eaddi F il. Bras. 77, t.
4. /i. polycarpon K u n z e .—Stems generally penduloiis,_ about a
foot long, several times dichotomously forked, 1 -1 4 in. diam.
including the leaves. Leaves moderately dense, linear, generally
spreading, upper loosely ascending, lower reflexed, usually in.
long, moderately firm iu texture, green, entire, not hiding the
stem ; midrib distinct. Sporangia in the axils of unaltered leaves
of the branchlets.
Hab. Throughout Tropical America, from Cuba and the West Indies and
Mexico, to Peru and South Brazil, ascending to 11,000 ft. in the Andes.
Galapagos Isles ; and found lately by Mr. and Mrs. Pool and Miss Gilpm in
Central Madagascar. L . mandioccanum differs from the type by its narrower
leaves. L . intkyoidcs is a form with i-ery long narrowleaves.
39. L. TAXIFOLIUM Swartz FI. Ind. Occ. iii. 1573 ; Hook et
Grev. Ic. t. 131. L . Herminieri Spring.— Stems generally pendulous,
1 -2 ft. long, several times dichotomously forked, 4 -1 in.
diam. including the leaves. Leaves lanceolate, rarely linear,
moderately dense, 4 - f in. long, firm in texture, always green,
entire, with a distinct midrib ; lower generally spreading ; upper
loosely ascending. Sporangia in the axils of the unaltered leaves
of the branchlets.
Var. L. passerinoides H. B. K. Nov. Gen. i. 41. L. nitens C. & S.
■—Habit more slender and leaves laxer, and not so firm iu texture
as in the type ; those that subtend the sporangia rather abbreviated.
Var. L . Bronymartii Spring Mon. i. 33. — Leaves firm in
texture, the lower reflexed.
Hab. Throughout Tropical America from Cuba and Mexico to Southern
Brazil, ascending to 10,000 ft. in the Andes.
Subgenus 2 . S u b s e l a g o .
40. L . poLYTEicHoiDES Kaulf. F num . 6 .— Stems very pendulous,
a foot or more long, several times dichotomously forked, l-1 6 th to
l-1 2 th in. diam. including the adpressed leaves. Leaves dense,
ascending, linear-subulate, moderately firm in texture, bright
green, entire, l-1 2 th to l - 8th in. long ; midrib distinct. Sporangia
in the axils of the ovate green bracts of the long slender branchlets.
Hab. Mountains of the Sandwich Islands. Habit and leaves af L. verti-
cillatum var. tenue, from whieh it differs in its small bracts.
41. L. CANCELLATUM Spring Mon. ii. 27. — Stems pendulous,
1— 2 ft. long, several times dichotomously forked, with long
branches and branchlets, which are l-1 2 tli to l-8 th in. diam.
including leaves. Leaves multifarious, lanceolate, acuminate,
green, much imbricated, 4 - 4 in. long, firm in texture, acutely
keeled. Sporangia in the axils of the ovate strongly-keeled green
bracts of the cylindrical branchlets.
Hab. Himalayas of Bhotan, Griffith !
42. L. CARINATUM Desv. F n c y . Bot. Siippl. iii. 559. L. Flayel-
laria Bory in Duper. Voy. i. 248, t. 26. L . laxum and stnithio-
¿oidcs Presl. L. acrostachyum \YaXl. ; Hook et Grev. Ic. t. 181. L.
pendulum Eoxb.— Stems pendulous, 1 -2 ft. or more long, several
times dichotomously foroed, 4 in. diam. including the leaves.
Leaves moderately close, ascending, lanceolate, acute, thick, green,
rigid, entire, J - 4 iu. long ; midrib distinct. Sporangia in long
usually simple square spiiies in the axils of ovate acute rigid green
sharply-keeled bracts l-1 2 th to l-8 th in. long.
Hab. Neilgherries, Malay Peninsula, Malay Isles, Philippines, Formosa
and Polynesia.
43. L. F o r d i i Baker.— Stems erect, under a foot long, 2— 8
times dichotomously forked, 4 in. diam. including leaves. Leaves
moderately close, lanceolate, acute, erecto-patent, bright green,
entire, moderately firm in texture, 4 in. long. Sporangia in short
erect spikes in the axils of lanceolate green reduced leaves 4 -4
long.
Hab. West China ; Mountains of Lo-fau-shan, Ford ! Allied to L.
carinatum.
44. L. STRIOTUM Baker in Journ. Bot. 1882, 2 7 1 .— Stems tufted,
stiffly erect, little branched, i - l ft. long, 4 -4 iu. diam. including
leaves. Leaves oblong or linear-ohlong, obtuse, dense, ascending,
much imbricated, thick and rigid in texture, green, entire, 4 -4 in.
lon g ; midrib obscure. Spikes pendulous, simple, l-1 2 th to l-6 th
in. diam. ; bracts broad ovate, very thick, green, much imbricated,
l-1 6 th to l-1 2 th in. long.
Hab. Mountains of Central Madagascar, Parker ! Baron 3559 I Allied to
L . gnidioides. In an allied plant gathered both by Humblot 290 and Baron
1468, probably a high mountain form, the leaves resemble the bracts as above
described, down to the very base of the stem.
45. L. GNIDIOIDES Linn. fil. Suppl. 448 ; Hook, et Grev. Ic . t.
50 ; Sohlecht. Adumb. t. 2. L. funiculosum Lam. L. pinifolium
Kaulf. L . flagelliforme Schrad.— Stems pendulous, 1 -2 ft. or more
long, several times dichotomously forked ; branches about 4 in-
diam. leaves included. Leaves oblong-lanceolate, moderately
dense, ascending, obtuse, thick in texture, glossy green, entire,
4 -4 in. long ; midrib distinct. Sporangia in lax copious spikes,
often 4 ft. long, in the axils of thick ovate-oblong or ovate green
bracts 4 -4 in. long.
Hab. Mountains of the Cape, Natal and Mascaren Isles.
46. L. DACRYDioiDES Baker. L. passerinoides Kuhn, uonVL. U.K.
0