f», f
DiCRANtJM f u l V e l l u m .
Tawny Dicranum.
B
C la s s a n d O u d e b CRYPTOGAMIA MUSCI, lAnn N a t . O rd . MUSCI, Juss. ^e.
GENERIC c h a r a c t er .
Seta terminalis. PeriHomium simplex e dentibus ] 6 bifidis. Calyptra dimidiata.—
H ook.
Fruitstalk terminal. Peristome simple, o f Í6 bifid teeth. Clalyptra dimidiate.
s p e c if ic c h a r a c t er .
D ic ba n um f u lv e llum ; ccespitosum; caule simpliuscuh; foliis longissimis Subu-
lato-setaceis, ad apicem vix subserrulatis nervo obsoleto-percurrente; seta
brevis ; theca obovata, erecta, striata, opérenlo brevi-rostellato.
D. tu fte d ; stem nearly simple; leaves very long, subulato-setaceous, scarcely
subserrulate a t the apex, nerve obsoletely p e rcu rren t; fruitstalk
sh o rt; capsule obovate, erect, striated, the lid shortly rostrate.
D i c r a n u m fu lv e llum . Smith, FI. Brit. p . 1209.—Fngl. Bot. t. 2 2 6 8 .
D ic ra n um rupestre, Web. Sp Mohr, Tasch. p. 185. et 469.
B ry um fulvellum, Bicks. Crypt. Fasc. 4. t. 11. f. 1.
H ab. Crevices of rocks, Ben More, M r D ick so n . Ben Nevis, Mr B o r r e r .
Ben Lawers in 1823, D r H oo ker and D r G r ev il l b . Mountains of
Clova, Mr D rum m o n d .
Stems densely tufted, h a lf an inch to above an inch in length, nearly simple,
slender, erect. Leawei very long, subulato-setaceous, the very extremity
slightly subserrulate, and furnished with a nerve, which becomes
gradually obsolete towards the summit. At the base, the leaves aré
shorter, and point in every direction; but towards the summit they
are greatly lengthened out, and usually more or less directed to one
sid e ; their colour is a tawny shining green. Perichcetial leaves oblongo-
lanceolate, with an elongated setaceous point. Fruitstalk two or three
lines long; straight, erect, (fapsule reddish, erect, when moist obovate,
stria ted : when dry, cyathiforni, furrowed, the orifice very large. L id
hemispherical, with a short, slightly oblique beak. Peristome of 16
bright deep-red linear-lanceolate teeth, very irregularly cleft, and occasionally
even lacunose, inflexed at the summit. Calyptra dimidiate,
pale.