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GRIMMIA TRICHOPHYLLA.
Flexuose, slender-leaved Grimmia.
Glass and O rd e r CRYPTOGAMIA MUSCI, Aírr—Nat. Ord. MUSCI,
Juss. &c.
G EN ERIC CHARACTER.
Seta terminalis. Peristomium simplex e dentibus 16, integris vel perforalis (ra rissime
J s á s ) æquidistantibas. Calyptra mitriformis— Hook.
Seta terminal. Peristome simple, of 16 entire or perforate (rarely cleft)
equidistant teeth. Calyptra mitriform.
S P E C IF IC CHARACTER.
G r im m ia t r i c h o p h y l l a ; caule elongato ; foliis lanceolato-subulahs, carinatis,
margine recúrvalo, apice pilifero; seta curvato-fie-xuosa; theca ovato-elliptica,
sulcata, opercuh rostrata.
Gr. stem elongated ; leaves lanceolato-subulate, carínate, mai-gin recurved,
the apex piliferous; seta curved and flexuose; theca ovate-elliptical,
sulcate, operculum rostrate.
G r im m i a t r i c h o p l i y l l a , Grev. Fl. Edin. p. 2 3 5 .
Hab. On stone-walls in Scotland. Arthur’s Seat, and coast of Fife ; Mr
W a l k e r A r n o t t . Walls on the road side between Dunkeld and Blair
in Athole, frequent ; Messrs H o o k e r and G r e v i l l e . By the road side
between Edinburgh and Ravelrig Toll, about seven miles from the former
place.
Flants broadly tufted. Stems branched, rather slender, half an inch to one
inch long or more. Leaves lanceolate-subulate, carínate, and recurved at
the margin, gradually terminating in a diaphanous hair-like point, which
varies in length, and gives a hoary appearance to the plant. Seta curved
and flexuose, nearly a quarter of an inch long. Thecoe numerous, ovate-
elliptical, varying from pale yellowish to reddish-brown, the mouth contracted,
and furnished with an annulus. Lid small, orange, with a rostrate
beak. Peristoene of l6 equidistant teeth, perforated, and often
slightly cleft at the apex.
When I had first the good fortune to discover this moss, I
suspected it to be a variety of Trichostomwn patens; or at least
VOL. II.