and No. 8 may be sterile forms or incomplete states of two species yet unknown.
They approach nearer to S. cymbifolium than to any other species; but their
leaves have a closer reticulation^ and are not papillose on the back near the
apex, nor are the cortical utricles of the branches marked with stride, as they
arc in the last-named species.)
8. S . SCcloiclcS) Brid. Porm and ramification of the stem and cross-
section of the leaf same as in the last, but a somewhat smaller plant, and not so
flaccid; leaves mostly of a dark vinous red, oval, entire at tlio apex, not margined
; when dry absorbing moisture with difficulty; flowers and fruit not seen.
— Springy places, on Table Eock, S. Carolina, Gray, Lesquereux: Mt. Marcy,
New York, Torrey. — (In the first-mentioned locality occms an olive-green
variety, ('?) — perhaps S. Pylsesii, Brid. — smaller in all its parts; branches
somewhat numerous, short, mostly single, and with closcly-imbricated leaves,
much smaller than the distantly placed stem-leaves. — (Muse, Bor.-Amer., No. 4.)
* * Ducts oval, situated centrally between the rotund utricles, and extending to both
surfaces o f the leaf.
9. S. S 4 |i i a i 'r d s u m , Bcrs. Moncecious ; stems 8 '-1 2 '' long, robust,
rigid; branches dcflexed, attenuated, 5 in a fascicle; branch-leaves ovate-acuminate,
squarrose; stem and pcrichictial leaves oblong, obtuse, not fibrillose.—
Bogs, &c.; common in the Northern and Mddlc States, and westward. — A
large species. (Eu.)
10. S. m a c r o p l i y l l i i i n , Bemhardi. Stems slender, stiff, reddish, 4 '-
6' lo n g ; branches short, flat, flabelliform, 2 - 3 in a fascicle; branch-leaves long,
subulate, straight, spreading, dentate a t the ap e x ; utricles elongated, with 7 - 9
lai'ge pores in a line along the centre, and remarkable for the absence of a spiral
fibre; capsule oblong, concealed by the pcricha^tial leaves. — Swamps near the
sea-coast, New Jersey to F lo rid a: also Eaccoon Mts,, Alabama, Lesquei'eux.
* * * Ducts triangular, situated between the rotund utricles next the concave surface
o f the leaf
11. S . a c i i t i f d l i i im , Elirh. Moncecious; stems 5 '- 1 0 ' long, slender;
branches crowded, elongated, attenuated, mostly pendent; stcm-lcaves lingu-
latc, obtuse, not fibrillose; branch-leaves ovate-lanceolate, tapering to a narrow
truncate point, erect-patent; capsule much cxserted. — Frequent; variable in
size: foliage often tinged with red. — S. rubellom, Wils. (common in Europe),
closely resembling this, but a smaller species, with elliptical leaves and dicecious
inflorescence, may be looked for within our limits. (Eu.)
12. S , f im b l ' i a t l im ) TVils. Moncecious; much like and formerly confounded
with No. 11, but a more delicate species, with fimbriated stem-leaves,
and large, conspicuous, obovate, obtuse, and cucullate pericliaitial leaves.—
British America, Drummond. (Eu.)
13. S . t a b l l l a r c , Sulliv. Stems 2 '- 3 ' high, closely c«spitose; branches
densely crowded, short, erect-patent; stem-leaves large, oblong, obtuse or acute,
fibrillose; branch-leaves ovate-acuminate, the upper half spreading and undulate
on the margins; pericluBtial leaves lanceolate, acute, broadly bordered above;
sporules golden-yellow. — (S. acutifolium, var.1 Muse. AUeghan.) — Table
Mountain, N. Carolina; near Mobile, Alabama. — A small species, with foliage
mostly of a pale brownish or yellowish hue, resembling S, molluscum, but that
has a cross-section of the leaf like No. 15 and 16.
14. S. molle, Sulliv. Densely ciespitose; stems 2'-SMiigh, fragile, concealed
by the crowded and short patent branches; branch-leaves oblong, ovate-
acuminate, rccurved-spreading; perichiBtial leaves orbicular-ovate. —Mountains
of N. Carolina, Gray: Tallulah Falls, Georgia, Lesquereux, — TTas remarkably
soft whitish foliage.
* * * * Ducts triangular, situated between the rotund utricles next the convex surface
o f the leaf
15. S , c i i s p i d a t i i i i i ; Ehrh. Moncecious; stems 6 '- 1 0 'long; fascicles
of 4 -5dcfloxod brandies distant; stem-IeaYes lanceolatc-acummatc, rccm-red-
patcnt, when dry flattened and nndulate on the margins (tho best distinetive
mark of the species); perichaitial leaves broad-ovate, acute. — Var. ee ct3 etum,
leaves oblong-lanceolate, when dry much recurved. — Var. pnuMdsuir, growing
in water, more elongated and attenuated in all its parts. — Not uncommon; New
England to Louisiana. Foliage pale green or yellowish-white. (Eu.)
16. S. Xorreyiiiaiimj Sulliv. Stem stiif, a foot or more in length;
branches 4 - 5 in a fascicle, 12 "-1 5 » long, 2 " - 3 " wide, flat, linear-lanceolate,-
leaves elongated-lanceolate, spreading, straight, broadly margined, erose-dentato
a t tbe ap ex ; frait unknown. — Ponds and slow-flowing streams; pine ban-ens
of New Jersey, Torrey. — K large robust species : foUage drab-colored, of a firm
texture.
S u b o r d e r II. A » ÌD R ^ À C E .^ E .
2 . A IV D K v È A , Ehrh. (Tab. I.)
Calyptra mitriform. Operculum none. Capsule oblong-oval, dehiscing by
four longitudinal fissures, and sessile upon the pedicellate vaginula. Inflorescence
moncecious or dicecious. — Small alpine or subalpine mosses, of a dark
brownish or blackish color, growing on rocks ; stems ascending, rigid, dichoto-
mously divided; leaves with or without a costa, of a firm texture, the areolation
above angular-rotund and small ; below oblong and large. — (A personal
name.)
1. A . p c t r ó i> I i i l a , Ehrh. Mouceeious; stems 4 " -1 0 " long, filiform,
leafless below ; leaves ovate- and oblong-lanceolate, concave, spreading-incurved
from an erect base, without a costa, papillose on the back, tho point oblique,
often with a hyaline crenulate margin. (A. rupestris, Hedw.) — 1 B A mountains
; a variable species. (Eu.)
2. A . i - n p é s t r i s , Turner. Monrocious ; leaves spreading or secund from
an ovate base, Imear-lanceolate, smooth, concave ; costa continuous. (A. Eothii,
Web. Ij-Mohr.) — White Mts., New Hampshire, Oufes. (Tab. I.) (Eu.)
3. A . c r a s s i n e r v i a , Bruch. Moncecions ; near the last, but the leaves
are shining, falcate-secund, subulate from an oblong base, cuspidate by the large,
terete, excurrent costa, which is papillose a t the point. — With No. 2. (Eu.)
52