ToRTULACEjE.] 262 [Barbula. 



3. BARBULA LURIDA (Hornsch.} Lindb. 



Dioicous; csespitose. Leaves straight, fuscescent, ovato-lanc., 

 nerved to apex, the margin recurved. Caps, oblongo-cylindric, teeth 

 pale yellow, short, cleft. (T. XXXIX, B.) 



Syx.Didymodon luridus HORNSCH. in L. Syst. veg. 16 ed. iv, P. I, 173 (1827). BR. SCH. Bry. 



eur. fasc. 29-30, p. 4, t. 2 (1846). RABENH. Deutsch. kr. fl. ii, S. 3, 102 (1848). WILS. 



Bry. br. 107, t. 41 (1855). SCHIMP. Synops. 131 p.p. (1860), 2 ed. 161. BERK. Handb. br. 



m. 265 (1863). DE NOT. Epil. bri. ital. 566 (1869). HOBK. Syn. br. m. 59 (1873). HUSN. 



Mouss. nord-ouest 68 (1873), Muse. gall. 83, t. 23 (1885). JURATZ. Laubm. oesterr.-ung. 



99 (1882). LESQ. JAMES Mosses N. Amer. 104 (1884). 

 Barbula deusta BRID. Bry. univ. i, 553 (1826). 



Cynodon luridus HORNSCH. MSS. BRID. Bry. un. i, Suppl. 818 (1827). 

 Didymodon trifarius HUEBEN. Muse. germ. 288 (1833). 

 Trichostomnm luridum SPRUCE in Ann. mag. n. h. 2 ser. iii, 379 (1849). LINDB. in Oefv. 



vet. ak. forh. xvi, 210 (1859), De Tort. 226~(i864). HARTM. Skand. fl. 8 ed. 397 (1861). 



MILDE Bry. siles. 102 (1863). 



Trichostomum trifarium (non SM.) C. MUELL. Synops. i, 574, excl. syn. (1849). 

 Barbula trifaria MITT. Journ. Lin. soc. i, Suppl. 36 (1859). 

 Barbula lurida LINDB. Muse, scand. 22 (1879). 



Dioicous ; in small bright green tufts, with a lurid brownish tint 

 when old and dry; stems simple or branched. Leaves patulous when 

 moist, straight and subimbricated when dry, lower broadly ovato-lanc., 

 upper oblongo-lanc., shortly acuminate, sometimes muticous, very con- 

 cave, nearly smooth, margin reflexed but flat below the point, nerve 

 rufescent, stout, vanishing at or below apex ; areolation very distinct, 

 minutely hexagono-rectangular, a little laxer at base. Perich. bracts 

 erect, oblongo-elongate, subvaginant, rather laxer ; caps, oval, oblong or 

 subcylindric, equal or a little curved, ferruginous, leptodermous, annulus 

 very narrow, persistent, lid narrow conic, straight or slightly curved ; 

 teeth very slender, irregular or rudimentary, simple or bipartite, pale 

 yellow, nearly smooth, without basal membrane. Male plant more 

 slender, infl. terminal, gemmiform, bracts ovato-lanceolate. 



HAB. Limestone walls or crumbling sandstone. Fr. n 12. 



Near Cork (Wilson 1829)! Trebarth (Wilson 1864). Kent and Sussex (Mitten). Wei 

 burn, Yorks. (Spruce 1847) ' Mutley, Lipson and Laira, Plymouth (Holmes 1867) ! 

 Troup head (Rev. J. Fergusson iSfg) ! ! Headington, Oxford (Boswell 1880) ! ! Uff- 



burn, Yorks. (Spruce 1847) ' Mutley, Lipson and Laira, Plymouth (Holmes 1867) ! ! 

 Troup head (Rev. J. Fergusson iSfg) ! ! Headington, Oxford (Boswell 1880) ! ! Uff- 

 moor wood (Bagnall 1872)!! Tralee (Moore). Woolsonbury hill (Mitten). Coneys- 



thorpe, Yorks. (Slater 1880) ! ! Wetherby, Yorks. (Wesley 1875) ! ! Banks of the 

 Hodder, Clitheroe (Burgess & Holt 1886) ! ! 



This moss varies much in size and density, sometimes reaching a height 

 of 2 inches ; the teeth of peristome will always distinguish it from B. brevifolia 

 and rigidula, but the older synonyms of all three species are sadly confused. 



4. BARBULA BREVIFOLIA (Dicks.} Lindb. 



Dioicous ; caespitose. Leaves straight, fuscescent, ovato-lanc. nerved 

 to apex, the margins recurved. Caps, oblongo-cylindric, teeth pale red, 

 cleft to base, on a basal membrane. (T. XXXIX, C.) 



