GRIMMIACEJE.J 25 [Grimmia. 



SYN. Grimmia Doniana SMITH Fl. brit. iii, 1198 (1804), Eng. Bot. t. 1259. BRID. Sp. muse. 



I., 100 (1806), Mant. 35 (1819), Bry. univ. i, 175 (1826). WEB. MOHR Bot. Tasch. 131 



(1807). ROEHL. Deutsch. fl. iii, 46 (1813). HOOK TAYL. Muse. brit. 40, t. 13 (1818). 



HOOK. Fl. scot. P. 2, 129 (1821), Br. fl. ii, 27 (1833). GRAY Nat. arr. br. pi. i, 728 



(1821). NEES HSCH. Bry. germ., ii, P. I, 128, t. 20, f. 10 (1827). HUEBEN. Muse. 



germ. 175 (1833). WILS. Bry. br. 159, t. 13 (1855). SCHIMP. Synops. 216 (1860), 2 ed. 



259. BERK. Handb. br. m. 239 (1863). MILDE Bry. siles. 151 (1869). DE NOT. Epil. 



br. ital. 704 (1869). HOBK. Syn. br. in. 83 (1873). JURATS Laubm. oester.-ung. 166 



(1882). CHALUB. Grimm. Tatr. 54, t. 7 (1882). BOULAY Muse. Fr. 372 (1884). HUSN. 



Muse. gall. 128, t. 36 (1886). 

 Dicranum ovale SM. Eng. Bot. t. 2165 p.p. 

 Grimmia obtusa SCHWAEG. Suppl. I, P. 1,88, t. 25 (1811). ROEHL. Deutsch. fl. iii, 46. 



BRID. Mant. 35, Bry. univ. i, 174. NEES HORNSCH. Bry. germ, ii, P. I, p. 135, t. 20, f. ii. 



DE NOT. Syllab. 243 (1838). BR. SCHIMP. Bry. eur. fasc. 25 28, p. 20, t. 13 (1845). 



AONGSTR. in FRIES Summ. veg. sc. 93 (1846). RABENH. Deutsch. kr. fl. ii, S. 3, 163 



(1848). C. MUELL. Synops. i, 796 (1849). HARTM. Skand. fl. 7 ed. 373 (1858). 

 Grimmia alpestris (non SCHLEICH.) SOMMERF. Suppl. fl. lapp. 49 (1826). 



Autoicous ; in small round green cushions, canescent, lurid green 

 above, brownish-black at base, densely caespitose, very short. Leaves 

 soft pale green, when dry fuscescent or blackish, appressed, when moist 

 erecto-patent, lower very small, rnuticous, upper much larger, narrowly 

 elongato-lanc., running out into a long smoothish hair, at base concave, 

 thin, with narrow rectangular cells, 6 10 rows at margin quadrate and 

 hyaline, toward apex carinate, with minute roundish-quadrate cells in two 

 strata, margin plane erect, slightly thickened at apex ; nerve semiterete, 

 vanishing in apex. Perich. bracts broader, the hair as long as the leaf. 

 Caps, exserted or not reaching above the hairs of perich. bracts, on a 

 pale seta, small oval-oblong, erect, yellow-brown, leptodermous, smooth ; 

 calyptra mitraeform, lobed, annulus of 3 rows of small cells, lid orange, 

 convexo-conic, obtuse, teeth entire, or perforated at apex, rufous, 

 papillose, reflexed when dry. Male infl. terminal or axillar, bracts 

 broadly oblong, sheathing, apiculate. 



HAB. Siliceous rocks in mountain districts. Fr. 3 4. 



Common in the mountains of Scotland and Wales. Cheviots (Hardy). Cronkley fell, 

 Teesdale (Spruce). Kinder Scout and Buxton, Derby (Whitchead) ! ! Kentmere 

 (Stabler 1869) ! Slieve-na-Brock, Mourne mtns. Down (Rev. H. W. Lett 1884) ! ! Axe 

 Edge, Derby (Holmes 1874) ! ! Lydford (Holmes 1887) ! ! Brecon Beacon (Boswell 1883). 



Var. /3. sudetica (Spreng.) 



Taller ; leaves with longer hair-points ; capsule immersed, elliptic, lid 

 conico-acuminate. 



SYN. Grimmia sudetica SPRENG. in LUDW. Crypt, gew. SCHKUHR Deutsch. kr. gew. II, 48, 

 t. 22 (1810). SCHWAEG. Suppl. 1, P. I, 87, t. 24 (1811). WAHLENB. Fl. carp. 339. 

 FUNCK Moost. 17, t. in. NEES HSCH. Bry. germ, ii, P. I, 128, t. 20, f. 106. 

 G. Doniana Var. (3. sudetica. WILS. Bry. brit. SCHIMP. Synops. 



HAB. Sidlaw Hills (Gardimr). Braedownie, Clova (Fergusson). 



A very pretty moss, especially abundant in the Clova district, and 

 easily recognized by its soft pale capsules with an obtuse lid, which are 

 produced in profusion, and by the plane margins to the leaves. 



