> ; ft
kl
those of the barren frond the hroadesi ; lower pinnm small, deflexed ; miniéis
rarely forked, 6-10 on a side ; texture herbaceous ; raehis and both sides naked ;
sori soon confluent, in rows near the flat edge.—Hh. Sp. 4. p. 89.
H a b . Canada an d U n ite d S ta te s .—Hal>it of N . Thelypteris, from which i t may be
kn ow n by its simple veins an d reduced lower pinnæ.
49. N. (Last.) conterminum, Desv, ; st. densely tufted, 6-9 in. 1., naked or
viilose ; f r . 12-18 in, 1., 4-8 in. br., oblony-lanceolate ; central 'pinnoe the longest,
2-4 in. ]., J in. br., cut down to the rachis into entire lobes about 1 lin. br., the
lowest lobes often enlarged, the lower pinnm decreasing gradually ; texture
herbaceous or subcoriaceous ; rachis naked or pubescent ; nnder surface often
slightly villose and g landular ; veinlets 6-8 on a side ; sori submarginal ; invol.
minute, fugacious.—I lk . Ep. 4. p . 91.
H a b . W. In d ie s and Mexico, so u thw ard to Braz il, Chili, an d Bo u rb o n .—This, which
ap p e a rs to be a b u n d a n t th ro u g h o u t C en tra l America, has th e g en e ra l h ab it ofiV. Thelypteris
an d Novehorace7ise,vfii\i an e re c t caudex. W e can n o t distinguish clearly A . oUyo-
carpvm. K th ., A . Fanchii, M e tt., an d A . pilo su lum, K lotz sch. F é e makes o f this a
g enus Oochlamys, ch a ra cte rized by an involuci-e re ced in g from th a t of typicoX N ephrodium
tow ard s A sp id ium, an d en um e ra te s seven W e st-In d iaji species.
50. N. (Last.) Kaulfusii, Ilk . ; si. tufted, 4-6 in. L, slender, slightly pubescent ;
fy^^ ].I.2 ft. 1., 0-8 in. br., oblong-lancsolate ; pinnce 3-4 in. 1., J - f in, br., cnt
down nearly to the rachis into spreading, entire b lu n t lobes 2 lin. br., the
lower lobes not enlarged and lower pinnæ dwindling down gradually ; texture
herbaceous or subcoriaceous ; raehis and under surface finely pubescent ; veinlets
about 6 on a side ; sori medial ; invol. fugacious.—H k . Sp. 4. p . 97.
H a b . W e s t In d ie s to B raz il. —This differs from th e la s t by its b ro ad e r lobes a n d medial
sori. B o th M e tten iu s an d G riseb a ch u n ite it w ith oUyocarpum.
51. N. (Last.) co7icinnum, B a k e r; rhizojne wide-creeping; st. 6-12 in. 1.,
naked or slightly pubescent ; fr. 1-2 ft. ]., 6-8 in. br., oblong-lanceolate ; pinnæ
S--4 in. 1., |-1 in. br., cut down nearly to the rachis into spreading or falcate
entire lobes J in. br. ; texture subcoriaceous ; rachis and under surface slightly
villose; veinlets G-B on a sid e ; sori subma rginal; invol. minute, ciliated,
fugacious.—Polyp. W illd.
H a b . Mexico to Chili.—This m ay be b est known from th o two p reced in g by its creeping
rhizome. A . rvvulorum, L in k , is said to differ by its medial sori, an d th e presence of a
glan d a t th e base of tiie pinnæ b en e ath ; an d Pheg. adenochrysa, F é e , may be this w ith o u t
an involucre.
52. N. (Last.) Sprengelli, H k . ; st. 6-12 in. 1., stramineous, naked^or slightly
pubescent; f r . 2-4 ft. 1., often 1 ft. br. ; pinnm 6-8 in. 1., 1 in. br., cut down
nearly to the rachis into entire lobes 1 - lJ lin. br., the lower ones with a gland a t
th e base beneath ; texture lierbaceous or subcoriaceous ; under surface naked or
slightly villose and g la n d u la r; vmilets 8-12 on a sid e ; submarginal,—
H k . Sp. 4. p . 94,
H a b . W e st In d ie s an d G u a tem a la .—A much la rg e r p la n t th a n N . conterminum, w ith a
b a s a l gland, an d n ea riy twice as many veinlets.
53. N, (Last.) prolixum, Baker ; st. 1-2 ft. k, firm, glossy, substramineous,
naked or neaidy so ; f r . 2-4 ft. L, 8-12 in. br. ; pinnce 4-8 in, 1., |- 1 in, br., cut
down nearly to the rachis into entire or bluntish, often falcate lobes 1 - lJ lin.
hr., with a prominent gland at the base beneath, the lower ones gradually
reduced ; texture subcoriaceous ; rachis and under side more or iess villose ;
veinlets prominent, 10-15 on a side ; sori submarginal.—Aspid. Willd. N.
ochthodes, H k . Sv>. 4. v. 100. N. appeudiculatum, Hk. I. c.—/3, N . tylodes {Kze.
snhA sp .)', sori in a line close to the m id rib ; rachis and under side nearly
naked ; l o w e r r e d u c e d suddenly.
H ab . N . In d ia to Ceylon, M au ritiu s , an d Bourbon.—Tlie Mascaren p\{ix\i{A.stipulaceum,
M e tt.) has th e lowest lobes sometimes d ila ted an d pinnatifid, like those of N . macrourum.
Dr. Thwaites reg ard s tylodes an d ochthodes as p robably d is tin c t species. T h e two a re
figured by Beddome, t . 106-7.
54. N. (Last.) limhatiim, Desv. ; st. 4-6 in. 1., naked, glossy ; f r . 2-3 ft. I.,
6-12 in. br. ; pinnm 3-6 in. L, in. br., with a gland a t the base beneath, cut
down very nearly to the rachis into slightly falcate, entire, linear-oblong lobes
1 -lJ lin. br. ; texture papyraceo-herbaceous; rachis stramineous and both
surfaces nearly naked ; veinlets 6-10 on a side, the prominent persistent involucres
protruding beyond the edge.—Uk. Sp. 4. p . 94. Amauropelta, Kze.
H ab . W e s t In d ie s .—-Easily recognizable by tb e c h a ra c te r of th e inv o lu cre, on account
of which K u n z e made for i t a new genus.
55. N. (Last.) resinofceticUim, I lk , ; st. 1-2 ft. 1., naked, scaly below ; f r . 3-4
ft, h, 12-18 in. br. ; pmnm 6-9 in. I., 1 in. hr., cut down nearly to the rachis into
close, linear, acute, entire lobes J in. br., with a space between them, furnished
with a gland at the base, the lower ones reduced to mere auricles; texture
coriaceous; rachis and u n d e rsid e naked or finely villose ; veinlets 10-15 on a
side ; sori submarginal ; edge reflexed.—H k . Sp. 4. p . 105, {in pa^'t).
Hab. A n d es o f Ecu ad o r, Spruce ; Bolivia, M a n d ó n .—This is n e a re st N , Sprertgelii, b u t
is a la rg er an d more rig id p lan t, w ith very numerous lobes au d vein lets. I t is said lo
have an u n p le a san t resinous scent when growing.
50. N. (Last.) Sprucei, Baker ; st. 1 ft. or move L, nearly naked ; f r . 2-3 ft. 1.,
8-12 in. br. ; pinnm 4-6 in. 1., 1 in. br., cut down nearly to the rachis into entire,
s})reacling lobes 2 lin. br., with a considerable space between them, furnished
with a gland at the base, the lower ones dwindling down gradually ; texture
papyraceo-herhaceous ; rachis slightly villose ; under side naked ; veinlets 8-10
on a side ; so n nearer the midrib th an the edge ; invol. large, distinct.
H ab . Andes of Ecuador, Spruce.—Distin g u ish ed from th e la s t by its more herbaceous
te x tu re , bro ad er lobes, few e r vein lets, an d m ed ia l sori.
57. N. (L a st.) Bergiamm, Baker ; st. 6-12 in. L, naked or finely villose; f r .
lJ -2 ft. 1., 6-10 in. br. ; pinnce 3-5 in. 1., | in. br., cnt down nearly to the rachis
into close, entire lobes J in. br. ; texture herbaceous ; rachis and under side more
or less villose ; veinlets 6-8 on a side ; sori m ed ia l; invol. small, fugacious.—
Polyp. Schlecht.
Hab . Cape Colony and N a ta l —P e rh ap s a v a rie ty of N . patevs, b u t th e lower pin næ
reduced g rad u ally . A . Gueinlzianum, M e tt., differs by th e presence of a gland a t th e
base of th e pinnæ bene ath.
58. N. (Last.) tomentosum. Baker ; st. densely tufted, 3-4 in. 1., finely villose ;
f r . 1-2 ft. ]., 6-10 in. br. ; pinnm 3-5 in. 1., J-1 in. br., with a gland at the base
beneath, cut down nearly to the rachis into linear-oblong lobes, the lowest of
which are often larger th an tlie others ; texture herbaceous ; low'er pinnæ distant,
and dwarfed dowm to mere au ric le s; and under surface villose ; veinlets
8-12 on a sid e ; sori nearly terminal. — Polyp. Thouars. N. thelypteroides,
Hk. Sp. 4. p. 95. {non Michx.).
H ab . M au ritiu s , Bourbon, T ristan d ’A cu n lia .—T h is may be a lu x u ria n t villose v a rie ty
of conterminum.
Ô9. N. (Last.) glohuliferum, H k . ; st. tufted, smooth, naked, glossy ; f r . I f f
ft. 1., 1 ft. br. ; pinncB 4-6 in. 1., | in. br., cut down to a broadly-winged rachis
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