TORTULACE^E.] 1 99 [Pottia. 



Aldrington beach, Shoreham and Hastings (Mitten 1855) ! ! Beaumaris (Hunt 1871) ! ! 



Southport (Boswell 1874) ! ! Tothill, Plymouth (Holmes 1872) ! 

 A plant of firmer texture than P. intermedia and difficult to define ; the 

 areolation of the apical part of the leaf affords the best distinction, but it 

 may be only a variety of the next species. 



7. POTTIA LANCEOLATA (Hedw.) C. Muell 



Autoicous, ceespitulose. Leaves ovato-lanc. acute, revolute ; nerve 

 excurrent in a long point. Caps, oval ; cal. smooth ; lid conico- 

 rostellate ; teeth of per. longish, perforated or cleft in the divisural 

 line. (T. XXIX, A.) 



SYN. Leersia lanceolata HEDW. Stirp. cr. ii, 66, t. 23 (1789). BRID. Muse. rec. II, P. 



I, 55, t. i, f. 8 (1798). 

 Afzelia lane. EHRH. Beitr. vii, 4 (1792). 

 Bryum lane. DICKS. Crypt, fasc. Ill, 4 (1793). HOFFM. Deutsch. fl. ii, 31 (1795). P. 



BEAUV. Prodr. 47 (1805). 

 Gnmmia lane. SCHRAD. Samml. kr. gew. i, n. 36 (1796), et in USTERI Neu. ann. xiv, 106 



(1796). SM. Fl. brit. 1186 (1804), Eng. bot. t. 1408. WEB. MOHR Bot. Tasch. 136 



(1807). SCHKUHR Deutsch. kr. gew. P. II, 54, t. 23 (1810). VOIT Muse. herb. 31 (1812). 

 Anacalypta lane. ROEHL. Moosg. deutsch. 109 (1800). HARTM. Skand. fl. NEES HORNSCH. 



Bry. germ, i, 141, T. 36, f. 3 (1823). BR. SCHIMP. Bry. eur. fasc. 18 20, 4, t. 3 (1843), 



RABENH. Deutsch. kr. fl. ii, S. 3, 99 (1848). WILS. Bry. br. 99, t. 14 (1855). DE NOT. 



Epil. bri. it. 580 (1869). HOBK. Syn. br. m. 57 (1873). SCHIMP. Synops. 128 (1860). 



BERK. Handb. br. m. 268. 

 Encalypta lane. ROTH Fl. germ, iii, P. I, 150 (1800). HEDW. Sp. muse. 63 (1801). TURN. 



Muse. hib. 19 (1804). BRID. Sp. muse. I, 90 (1806). SCHULTZ Fl. starg. 282 (1806), 



Fl. dan. t. 1660, f. 2. SCHWAEG. Suppl. I, P. I, 61 (1811). ROEHL. Ann. wett.ges. iii, 163. 

 Dicranum latifolium TURN. op. c. 79, excl. syn. 



Weissia aciphylla WAHLENB. in Vet. ak. nya handl. xxvii, 133, t. 4, f. I (1806). 

 Grim, aciphylla WEB. MOHR op. c. p.p. 137 et 457. 

 Weissia lane. ROEHL. Deutsch. fl. 2 ed. hi, 51 (1813). MART. Fl. cr. erl. 113 (1817). HOOK. 



TAYL. Muse. br. 44, t. 14 (1818). BRID. Mant. 47 (1819). HOOK. Fl. scot. P, II, 130 



(1821), Br. fl. ii, 20 (1833). MACK. Fl. Hibern. P. 2, 14 (1836). 

 Coscinodon lanceolatus, aciphyllus and connatus BRID. Mant. et Bry. univ. 

 Dermatodon lanceolatus HUEBEN. Muse. germ. 112 (1833). 

 Desmatodon lane. BRUCH. MSS. DE NOT. Syll. 215 (1838). 

 Pottia lanceolata C. MUELL. Synops. i, 548 (1849). LINDB. de Tort. 221 (1864). MITT. 



Journ. Bot. 1871, p. 4. HUSN. Mouss. nord-ouest. 67 (1873). SCHIMP. Synops. 2 ed. 



157 (1876). JURATZ. Laubm. oester.-ung. 93 (1882). 



Tortilla lanceolata LINDB. Muse. Scand. 21 (1879). 



Autoicous ; in small bright green tufts, simple or branched. Leaves 

 patent, ovato and oblongo-acuminate, carinate-concave, longly cuspidate 

 with the excurrent nerve ; margin revolute, reflexed, entire or minutely 

 crenulate at apex from the projecting transverse cell walls ; cells nearly 

 smooth, hexagonal and incrassated above, elongated and pellucid at 

 base. Seta orange red, caps, elliptic, rufous-brown ; cal. smooth, 

 subulate ; ann. broad, simple, lid conico-rostellate, red, shining ; teeth 

 of per. on a narrow basal membrane, pale red, erect, linear-lane, with 

 8 10 articulations, strongly papillose, entire or cleft or perforated in 

 the divisural line ; spores small, fuscous, papillose. Male infl. axillar, 

 gemmiform, bracts 3, broadly ovate. 

 HAB. Bare ground, banks and tops of walls, not uncommon. Fr. 2 4. 



Surrey, Sussex, Kent, and Derbyshire, frequent. 



