ToRTULACE^.] 199 [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, caespitulose. 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.) 



SVN. — Leersia lanceolaia Hedw. Stirp. cr. ii, 66, t. 23 (1789). Brid. Muse, rec. H, P. 



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

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



Bvyum lane. Dicks. Crypt, fasc. 111,4 (i793)- Hoffm. Deutsch. fl. ii, 31 (1795). P. 

 Beauv. Prodr. 47 (1805). 



Grimmia 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). 

 Anaealypta lane. Roehl. Moosg. deutsch. log (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, gg (1848). Wils. Bry. br. gg, t. 14 (1855). De Not. 



Epil. bri. it. 580 (1869). Hobk. Syn. br. m. 57 (1873). Schimp. Synops. 128 (i860). 



Berk. Handb. br. m. 268. 

 Enealypta lane. RoTH Fl. germ, iii, P. I, 150 (1800). Hedw. Sp. muse. 63 (1801). Turn. 



Muse. hib. ig (1804). Brid. Sp. muse. I, go (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. 

 Dieranum laiifolium Turn. op. c. 79, excl. syn. 



Weissia aeiphylla Wahlenb. in Vet. ak. nya handl.xxvii, 133, t. 4, f. i (1806). 

 Grim, aeiphylla Web. Mohr op. c. p.p. 137 et 457. 

 Weissia lane. Roehl. Deutsch. fl. 2 ed. iii, 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). 

 Coseinodon laneeolatus, aeiphyllus and eonnatus Brid. Mant. et Bry. univ. 



Dermatodon laneeolatus Hueben. Muse. germ. 112 (1833). 



Desmatodon lane. Bruch. MSS. De Not. Syll. 215 (1838). 



Pottia laneeolata C. Muell. Synops. i, 548 (i84g). Linde. 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). 



Tortula laneeolata Lindb. Muse. Scand. 21 (1879). 



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

 patent, ovate 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. 



