TORTULACE^.] 204 [Pottia. 



2 ed. 153. BERK. Handb. br. m. 271, t. 23, fig. 2 a-d (1863). LINDB. de Tort. 220 

 (1864). DE NOT. Epil. bri. ital. 586 (1869). MITT. Journ. bot. 1871, p. 5. HoBK.Syn.br. 

 m. 56(1873). 



Paroicous ; densely csespitulose, innovating at apex, bright yellow- 

 green. Leaves dense, octofarious, spathulate, very obtuse, nerve 

 excurrent in a long pale green rigid hair ; margin recurved ; cells at base 

 thin, pellucid, narrowly rectangular, above papillose, chlorophyllose, 

 larger, hexagonal. Seta orange, twisted to the left above, to the right 

 below ; caps, oval with a short neck, leptodermous, shorter and wider 

 at mouth than that of P. Wilsoni, reddish brown; cal. large smooth, 

 lid short, pale red, obliquely rostellate, ann. very narrow, persistent ; 

 spores smooth. Antheridia naked, in pairs in the axils of the comal 

 leaves. 

 HAB. Moist banks and rocks by the sea. Fr. 3 4. 



Near Forfar (Don 1802). Redhead, Montrose (Drummond 1827) ! Girdleness lighthouse, 

 Aberdeen (Dickie 1840) ! ! Penzance and Guernsey (Ralfs 1844) ! ! Torquay (Mrs. 

 Griffiths). Aldrington beach, Brighton (Mitten) ! ! Between Garth ferry and Beau- 

 maris (Frazer 1867) ! Elie, Fife (Howie 1867) ! St Prideux head, Devon (Holmes 

 1870) ! Old Cambus, Northumberland (Hardy 1869) ! Shaugh, Devon ; Trevarthen 

 and St. Minver (Tellnm 1879) ! ! Kymyal cliff, and Boscawen cliff, Penzance (Curnow 

 1872) ! ! Howth, Dublin; Rossbay and Malahide (Moore). Blackhead, Belfast 

 (Stewart 1882) ! Douglas and Kirkmichael, I. of Man (Holt 1880) ! ! 



Closely resembling P. Wilsoni with which it was at first confounded by 

 Hooker, but readily separated by the smooth calyptra and lax areolation, 

 which is like that of P. truncatula. 



14. POTTIA LATIFOLIA (Schwaeg.) C. MuelL 



Autoicous ; csespitose. Leaves closely imbricated, broadly obovate, 

 smooth, nerve vanishing below apex. Caps, oval-oblong, lid oblique, 

 rostrate ; teeth of per. lanceolate, cleft. (T. XXX, B.) 



SYN. Weissia lalifolia SCHWAEG. in SCHULTES Reis. Grossglock. IV, App. (1804), Suppl. I, P. 



I, 64, t. 18 (1811). GREV. Scot. Cr. fl. iii, t. 149 (1814). ROEHL. Deutsch. fl. iii, 51 



(1813). BRID. Mant. 44 (1819), Bry. univ. i, 356 (1826). FUNCK Moost. 13, t. 9 (1821). 



HOOK. TAYL. Muse. brit. 2 ed. 80, t. suppl. 3 (1827). HOOK. Br. fl. ii, 20 (1833). 

 Grimmia latifolia WEB. MOHR Bot. Tasch. 147 (1807). 

 Anacalypta latif. FUERNR. in Flora xii, P. II, Erganz. 25 (1829). NEES HORNSCH. Bry. 



germ, ii, P. II, 135, t. 36, f. i (1831). BRUCH SCHIMP. Bry. eur. fasc. 18 20, p. 5, t. 4 



(1843). RABENH. Deutsch. kr. fl. ii, s. 3, 99 (1848). WILS. bry. brit. 100, t. 33 (1855). 



SCHIMP. Synops. 129 (1860). BERK. Handb. br. m. 269 (1863). DE NOT. Epil. bri. ital. 



579 (1869). HOBK. Syn. br. m. 58 (1873). 

 Dermatodon latif. HUEBEN. Muse. germ. 116 (1833). 

 Desmatodon bulbosus DE NOT. Syllab. 203 (1838). AONGST. in Nov. act. soc. Upsal. xii, 



369 (1844). 



Didymodon bulbosus HARTM. Skand. fl. 4 ed. 382 (1843). 

 Pottia latifolia C. MUELL. Synops. i, 549 (1849). SCHIMP. Synops. 2 ed. 158 (1876). 



JURATZ. Laubm. oester.-ung. 94 (1882). LESQ. JAMES Mosses N. Amer. 103 (1884). 

 Pottia pilifera ft. mutica LINDB. de Tort. 223 (1864). 

 Tortula bullata ft. mutica LINDB. Muse, scand, 21 (1879). 

 Stegonia latifolia VENTURI in Rev. bryol. 1883, p. 96. 



