GRIMMIACE.E.] 19 [Grimmia. 



which is rather broad at base, nerve thin vanishing at apex, margin 

 slightly recurved, unistratose, cells small roundish-quadrate, at base 

 rectangular, hyaline, becoming quadrate at margin. Perich. bracts 

 narrower, longer, sheathing. Seta short, yellow, arcuato-deflexed when 

 moist, flexuoso-erect when dry. Caps, small, subglobose, faintly 

 striate, bright orange, finally reddish-brown and plicate ; calyptra 

 small, cucullate, annulus simple, breaking up, lid small, purple, convex, 

 obsoletely mammillate ; teeth pale red, broad and trabeculate below, 

 3 4 fid at apex. Male infl. gemmaceous, terminal, bracts ovate. 



HAB. Limestone rocks and walls ; not common. Fr. 2 3. 



Ormeshead and Conway (Wilson 1826) ! ! St. Vincent's rocks, Bristol (Thwaites 1843) ! ! 

 Arthur's seat (Bcvan 1864). Catdown, Plymstock and Laira (Brent). Tamerton- 

 Foliot (Holmes). Durdham Downs (Boswcll 1863). Near Cork (Dr. Wood 1859). 

 Between Dublin and Stillorgan (Moore). Buckland, Faringdon (Mrs. Milne 1863). 

 Milnthorpe (Barnes 1865) ! ! Kinnoul hill (Dr. B. White 1866). Paignton, Devon 

 (Mrs. Holmes 1885) ! ! Spelga Mtn., Co. Down (Lett). 



Growing in much larger patches than the last, and of a darker color, the 

 leaves smaller, narrower, with the margin not incrassate, the capsules 

 smaller, globose, bright red and nearly smooth, and the cucullate calyptra 

 sufficiently distinguish it from G. pulvinata. 



13. GRIMMIA TRICHOPHYLLA Grev. 



Dioicous; laxly pulvinate, yellowish-green. Leaves erecto-patent, 

 narrowly curvato-lanc., with a nearly smooth hair, margin slightly 

 revolute. Caps, on a yellow curved seta, oval angulato-plicate when 

 dry; annulus broad, lid subulato-rostrate. (T. XLVIII, E.) 



SYN. Dicrqnum pulvinatum /?. argentatum TURN. Muse. hib. 78, t. 3, f. i (1804). 



Grimmia trichophylla GREV. Fl. edin. 235 (1824), Scott. Crypt. Fl. t. 100 (1825). BRJD. 

 Bry. univ. i, 188 (1826). HOOK. TAYL. Muse. br. 2 ed. 68, Supp. t. 2 (1827). HOOK. 

 Br. fl. ii, 25 (1833). MACK. Fl. hib. P. 2, 17 (1836). BR. Sen. Bry. eur. fasc. 2528, 

 p. 16, t. 9 (1845). RABENH. Deutsch. kr. fl. ii, S. 3, 162 (1848). C. MUELL. Synops. i, 

 785 (1849). WILS. Bry. br. 156, t. 32 (1855). SCHIMP. Synops. 213 (1860), 2 ed. 256. 

 BERK. Handb. br. m. 240 (1863). MILDE Bry. siles. 149 (1869). HOBK. Syn. br. m. 82 

 (1873). HUSN. Mouss. nord-ouest 92 (1873), Muse. gall. 135, t. 38 (1887). JURATZ. 

 Laubm. oester.-ung. 162 (1882). BOULAY Muse. Fr. 378 (1884). LESQ. JAMES Moss. 

 N. Amer. 141 (1884). 



Campylopus affinis HORNSCH. MSS. 



Dryptodon trichophyllus BRID. Bry. univ. i, 771. 



Grimmia Schultzii p. p. HUEBEN. Muse. germ. 195 (1833). 



Dioicous ; laxly pulvinato-csespitose, soft, bright or yellow-green 

 above, fuscous at base, i i in. high. Leaves accrescent upward, 

 when moist recurved, then patulous and ascending at point, lower 

 lane., shortly aristate, upper oblongo-lanc., gradually narrowed into a 

 rather short smoothish or slightly denticulate hair, concave below, 

 carinate above, margin plane above, recurved below but sometimes 



