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C l a s s a n d O r d e r CRYPTOGAMIA MUSCI, L ì t o — N a T . O r d . MUSCI, Juss.
G E N E R IC C H A R A C T E R .
Seta lateralis. Penstmnium duplex : ext. e dentihus 16 : int. membrana plicata,
\ 6-laciiiiata, ciliis alternantibus. Calyptra dimidiata H ook.
F ruitstalk lateral. Peristome double : the outer one of 16 teeth ; the inner
one o f a plicate membrane, cleft into 16 segments, w ith ciliary processes
between them. Calyptra dimidiate.
S P E C I F IC C H A R A C T E R .
H ypnum molle; caulibus repentibus, ramis erectis, subsimplicibus ; foliis laxe
patentibus, summitate ramorum subsecundis, late ovatis, integerrimis, acutius-
culis,flaccidis, “ 1- vel” 2-nervibus ; theca ovata, cernua, opercuh conico.
H. stems creeping, branches erect, nearly simple; leaves loosely spreading,
subsecund at the top, broadly ovate, entire, rather acute, flaccid, “ 1- or”
2-nerved ; capsule ovate, cernuous, the lid conical.
H ypnum moUe, Dicks. PL Crypt, fasc. 2. t. 5. f S .fd e Hook, et Tayl.—Hedw.
Sp. Muse. I. p. 273. t. 70. f 7,-10.—Schmaegr. in Sp. Muse. II. p. 220__
Web. et Mohr, Tasch. p. SiO— Smith, FL Brit. v. 3 . p. 1312.—Fug. Bot.
t. 1992. male— Compend. ed. 4. p. 196— With. Bot. Arr. v. S. p. 1107__
Funck, Deutschl. Moose, p. 58. t. 40.—Brid. Muse. Supp. II. p. 129__
Hook, et Tayl. Muse. Brit. p. 95. t. 24. excl. syn. H. alpestris.—Fl. Scot.
Pt. 2 . p. 14-2.—Hobs. Muse. Brit. v. 2.—Moug. et Nestl. St. Crypt. Fxsicc.
No. 730.—Dnimm. Musei Scot. v. 2. No. 64.
H ypnum alpestre, Wahl. FL Lapp. ed. 2 . p. 701. quoad syn. H. mollis.
H ypnum ru p e s tre , Schleich. fide Schwaegr.
H ab. The rocky beds of mountain rivulets. Scotland, D ickson. Ben
Nevis, Messrs H ooker and B orrer. In the counties of Angus, Aberdeen,
and Inverness, G. D on. Argyleshire, Captain CarmÌchael.
Clova Mountains, Mr D rummond.
Plant forming a close covering to the rocks in the beds of alpine rivulets.
Stems creeping, entangled, closely attached to the rock, throwing up
numerous branches about an inch or an inch and a half in height, mostly
simple, erect. Leaves loosely imbricated, soft and flaccid, unequally
spreading, towards the summit o f the branches generally more or less
secund, broadly ovate, with a somewhat pointed termination, entire,
concave, “ 1- or” 2-nerved. Perichcetial leaves nerveless, lanceolate, attenuated.
Fruitstalk somewhat more than h a lf an inch in length. Capsule
ovate, cernuous, dark b row n ; the lid shortly conical.