sule shorUovate, small, distinctly necked; teeth lanceolate, entire,
rarely perforated, dark purple. — Synop. Muso. (ed 2) 61
Brgwn Schisti, Oeder, FI. Dan. t. 88. Weisia Schisti, Brid’
Jihabdoweisia Schisti, Bruch & Schim]). Bryol. Eur. t. 43.
Oncophorus Schisti, Liudb.
Hab. Rocky Mountains (Drummond); Spokan Falls (Watson)
Closely resembling Bhabdoweisia fugax, differing in the papillose surface
of the leaves, and the large lanceolate solid teeth.
2. C. g ra c ile sc en s, Schimp. Tufts yellowish or pale
green; stems slender: leaves linear-lanceolate, blunt at the apex,
recurved and minutely crenulate on the borders, densely papillose
on both faces ; costa slender, ending below the apex ; areolation
minute, round in the upper part, elongated downward :
capsule oval-oblong, slightly cernuous or erect, with a short indistinct
collum ; pedicel long, slender, pale, more or less flexuous;
lid long-beaked; teeth regularly bifid to near the base, with
linear distantly articulate segments ; annulus very narrow, persistent.
— Syn. Muse. 61. Dicranum gracilescens, Web. &
Mohr, Bot. Tasoh. 184; Bryol. Eur. t. 45, 46; Sulliv. Mosses
of U. States, 20. Oncophorus, Lindb.
Var. inflexum, Schimp. Plants smaller, soft: capsule
nearly pendent from the arcuate tgediael.— Campylopus cirrha-
tus, Ilornsch.; Brid. Bryol. Univ. i. 479.
^ Var. a lp e s tre , Schimp. Densely tufted, shorter and less
divided; leaves narrower, less distinctly papiUose: capsule
smaller. — Dicranum alpestre, Wahl.
H a e . Subalpine mountains; high summits of the White Mountains,
of the Adirondacks, etc., not rare; Rocky Mountains (E. Hall).
3.^ C. p o ly c a rp um , Schimp. Stems covered with a thick
coating of radicles: leaves close, subcrispate when dry, linear
or narrowly lanceolate from the oval base, serrulate at the apex,
distantly papillose: capsule erect, oblong or subcernuous, with a
short regular or strumose collum ; pedicel long, straight, rigid;
lid crraulate on the borders; teeth bifid, more or less irregularly
divided ; annulus distinct, easily detached. — Syn. Muse. 62.
Dicranum polycarpum, Ehrh.; Bryol. Eur. t. 47; Sulliv. 1. "c.
Var. strum ife rum , Schimp. Capsule subcernuous, broadly
ovate; collum strumose.
Hab.^ Same as the preceding; Alaska (Kellogg); Lake Superior
(Agassiz); the variety on rocks, at York Factory (Drummond).
4. C. Virens, Schimp. Plants more or less densely cespitóse
: leaves narrowly lanceolate, subulate from the half-shealli-
ing oblong base, recurved or revolute on the borders, entire or
serrulate at the apex, smooth and minutely areolate ; costa narrow,
percurrent or slightly excurrent : capsule ovate-oblong or
subcylindrical, more or less curved, constricted under the orifice
and smooth when dry; collum short, abruptly inflated and
struinose on one side and truncate underneath ; lid erose at
base ; teeth of the peristome more regularly bifid ; annulus none.
Syn. Muso. 63. Dicranum virens, Hedw. Muse. Frond, iii.
77, t. 32 ; Bryol. Eur. t. 48 and 49.
Var. W ah len b e rg ii, Bruch & Schimp. Stems slender :
leaves longer-subulate, slightly reflexed on the borders, obscurely
denticulate, much críspate when dry: capsule shorter, much
curved when dry. — Sulliv. 1. c. Oncophorus Wahlenbergii,
Brid. Angstroemia, Muell.
Var. s e r ra tum , Bruch <fe Schimp. Loosely cespitose :
leaves divaricate-spreading, curling, coarsely dentate; capsule
less strumose.
Var. com p a c tum , Bruch & Schimp. Densely tufted,
yellowish green ; plants shorter and more slender : the leaves
shorter, abruptly narrowed from an enlarged base, much críspate
and very entire : capsule short, gibbous, rounded-strumose
at the neck.
Hab. Subalpine regions, along streams and in deep glens, on trunks
and decayed wood; not rare and very variable. The first variety in the
Rocky Mountains (Drummond); the second in Oregon (E. Hall); the last
in the White Mountains ( Oakes), and in Tuolumne Canon and Mono Pass,
California, at 9,000 feet altitude (Bolander).
18. DICHODONTIUM, Schimp.
Plants loosely cespitose. Leaves soft, opaque, divaricate-
squarrose, lingulate-lanceolate from an enlarged half-sheathing
base ; borders irregularly serrulate ; medial and basilar areolation
rectangular, quadrate and very small on the borders, quadrate,
chlorophyllose and obscure at the apex. Flowers dioecious.
Capsule solid, cernuous, smooth ; collum distinct, not strumose.
Peristome large ; teeth cleft to below the middle. Annulus
none. — Dicranum, Auct., in part.
I'H':