GRIMMIACE^E.] 90 [Wcissia. 



Autoicous ; in dark brown rigid fragile tufts, blackish and defoliate 

 at base; stems dense-leaved, sparingly branched. Leaves not crisped, 

 erecto-appressed when dry, erecto-patent when moist, oblongo-lanceo- 

 late, concave-carinate, revolute at margin, the nerve very thick, reaching 

 nearly to point; cells at base rectangular, very narrow, fulvous, the 

 marginal quadrate, hyaline, upper small round incrassate. Capsule 

 yellowish, pyriform, attenuated at base, slightly narrowed at orifice, 

 8-striate, when old and empty deeply furrowed, brown; lid rostrate ; 

 teeth bigeminate, reflexed when dry, pale, rugulose, cilia 8, rather short, 

 of two rows of cells. Calyptra conico-campanulate, very rough with 

 golden yellow ramenta. Male infl. axillary or terminal, reddish. 

 HAB. On rocks and stones in subalpine districts. Fr. 7. 



Bantry (Miss Hutchins). Wicklow, Galway, and Connemara. By the Plym, Devon 

 (Tozer). Yarmouth (Turner). Llanberis (Ralfs 1840) ! Snowdon, Ben Ledi (Dr. 

 Wood). Connant-mawr, N. Wales (Dixon 1855). Pass of Leny (McKinlay 1861). 

 Glen Callater (Dickie 1861) ! Beddgelert (Hunt 1865) ! ! Falls of Lochay and Glen 

 Torridon (Hunt 1865) ! ! Tyn-y-groes and Rhaiader Dhu (Holt 1882) ! ! Kintail and 

 Loch Coruisk (Dixon 1883). Cader Idris (Whitehead 1879)!! Ben Cruban, Perth 

 (Whitehead 1874) ! ! 



Intermediate between Orthotrichum and Weissia, resembling the former 

 in the straight leaves, and the latter in the capsule. 



2. WEISSIA COARCTATA (P. Beativ.) Lindb. 



Autoicous ; in loose tufts, decumbent at base. Leaves crisped when 

 dry, linear-lanceolate. Capsule on a longish pedicel, obovate, much 

 contracted and plicate at mouth, with 8 very short bands. Calyptra 

 conic-campanulate, hairy. (T. LVIII, E.) 



Svx. Orthotrichum coarctatum P. BEAUV. Prodr. 80 (1805). BRID. Sp. muse. II, 13 (1812), 

 Mant. in (1819). Bry. univ. i, 288 (1826). SCHWAEG. Suppl. I, P. II, 26, t. 52 (1816). 



Orthotrichum plicatum LUDW. in litt. 



Splachnum Witlfenianum SCHWAEG. Suppl. I, P. I, 46, t. 14 (1811). 



Orthotrichum Ludwigii BRID. Sp. muse. II, 6 (1812). SCHWAEG. Suppl. I, P. II, 24, t. 51. 

 FUNCK Moost. 34, t. 23 (1821). HOOK. GREV. Edin. J. Sc. i, 125 (1824). GREV. Scott, 

 cr. fl. t. 133 (1825). HOOK. I'AYL. Muse. br. 2 ed. 132, Suppl. t. 4 (1827). HUEBF.N. 

 Muse. germ. 346 (1833). HOOK. Br. fl. ii, 56 (1833). BR. SCH. Bry. eur. fasc. 23, 

 p. 12, t. 4 (1837). DE NOT. Syllab. 154(1838). RABENH. Deutsch. kr. fl. ii, S. 3, 178 

 (1848). HARTM. Skand. fl. 5 ed. 369 (1849). C. MUELL. Synops. i, 714 (1849). WILS. 

 Bry. bnt. 187, t. 34 (1855). HOBK. Syn. br. m. 95 (1873). HUSN. Mouss. N. ouest 103 



Ulota Ludwigii BRID. Mant. 112(1819), Bry. univ. i, 302. HAMMAR Mon. Orthot. suec. 

 28 (1852). SCHIMP. Coroll. Bry. eur. 41 (1855). Synops. 254 (1860), 2 ed. 301. BERK. 

 Handb. Br. m. 228 (1863). MILDE Bry. siles. 166 (1869). DE NOT. Epil. bri. ital. 

 291(1869). JURATZ. Laubm. oest.-ung. 193 (1882). LESQ. JAMES Moss. N. Amer. 161 

 (1884). HUSN. Muse. gall. 151, t. 43 (X887). 



Ulotrichum Ludwigii SCHIMP. Consp. Bry. eur. 

 Weissia coarctata LINDB. Muse, scand. 28 (1879). 



