ToRTULACE^.] 281 [Leersia. 



Hab.— Ben Laoigh, Perthshire {Holt, July, 1880) ! ! 



This species is best distinguished by the smaller dense cells in the upper 

 part of the leaf, which is also more acuminate than in any of our other 

 species. 



2. LEEESIA EXSTINCTOEIA (L.) Leyss. 



Autoicous ; short, radiculose. Leaves oblong-lanc, obtuse or 

 apiculate with the excurren. nerve. Caps, cylindric, smooth ; calyptra 

 pale, entire at base, scabrous at apex ; per. none or pale and very 

 fugacious. (T. XLII, B.) 



Syn. — Muscus trichoides minor pileis magnis acutis Merr. Pinax 8g (1667). Ray Synops. 

 2 ed. 324 (1696). 



Adiantum aureitm ferpusillum foliis congestis acutis, file olo extinctorii figura Ray Synops. 



2 ed. 32, n, 24. 

 Bryuin eyectis capitulis, calyptra laxa conica, foliis serpylli pellucidi angustioribus Dill. 



Cat. Giss. 223 (1719), in Ray Synops. 3 ed. 92 (1724). 



Bryum calyptra exstinctorii figura, minus Dill. Hist. muse. 349, t. 45, f. 8 (1741) et 

 Herbar. 



Bryum exstinctorium L. Sp.pl. 1116 (1753); Syst. nat. ii, 701. HuDs. Fl. angl. 405 

 (1762). Weiss Cr. goett. 185 (1770). Neck. Meth. muse. 207 (1771). With. Bot. 

 arr. br. veg. ii, 672 (1776). Lightf. Fl. scot, ii, 718 (1777). Web. Spie. fl. goett. 98 

 (1778). Relh. Fl. cant. 402 (1785). Sm. Eng. bot. t. 558. Fl. dan. t. looi. Abbot 

 Fl. bedf. 239 (1798). Hull Br. fl. P. 2, 258 (1799). 



Leersia vulgaris Hedw. Fund. H, 88 (1782), Muse, frond, i, 46, t. 18 (1787). Roth 

 Fl. germ, i, 455 (1788). Timm Fl. meg. n. 730 (1788). Schrank Baiers fl. ii, 443 

 (1789). -Brid. Muse. ree. II, P. I, 51 (1798). 



Leersia exstinctoria Leysser Fl. hal. n. 1053 (1783). Brockm. Beitr. kr. fl. Mekl. 23 



(1863). 

 Mnium exstinctorium Swartz Meth. muse. 365 (1787). 



Encalypta exstinctoria Swart2 Muse. suec. 24 (1799). Hartm. Skand fl. Wahlenb. 

 Fl. upsal. 385 (1820). Brockm. Laubm. Mekl. 90 (1869). 



Encalypta vulgaris Hedw. Sp. muse. t. 60 (1801). Sm. Fl. brit. iii, 1180 (1804). Turn. 

 muse. bib. 17 (1804). Roehl. Moosg. deutsch. 89 (1800), Deutsch. fl. iii, 52 (1813), 

 Ann. Wett. ges. iii, 115. P. Beauv. Prodr. 56 (1805). Schultz Fl. starg. 281 (1806). 

 Web. Mohr Bot. Tasch. 106(1807). Brid! Sp. muse. I, 88 (1806), Mant. 28 (i8ig), 

 Bry. univ. i, 139 (1826). ScHWAEG. Suppl. I, P. I, 56 (1811). VoiT Muse. herb. 20 

 (1812). Wahlen. Fl. lapp. 311 (1812), Fl. carp. 335 (1814). Mart. FI. cr. erl. 115 

 (1817). Hook. Tayl. Muse. br. 35, t. 13 (1818). Gray Nat. arr. br.pl. i, 725 (1821). 

 Hook. Fl. scot. P. 2, 128 (1821), Br. fl. ii, 18 (1833). Funck Moost. 11, t. 7 (1821). 

 Nees Hornsch. Bry germ, ii, P, I, 32, t. 14, f. r (1827). Hueben. Muse. germ. 98 

 (1833). Mack. Fl. bib. P. 2, 13 (1836). Br. Schimp. Bry. eur. fase. 4, p. g, t. 2 (1839). 

 De Not. Syll. 269 (1838), Epil. bri. ital. 324 (1869). Rabenh. Deutsch. kr. fl. ii, S. 3, 

 169 (1848). C. MuELL. Synops. i, 516 (1849). Wils. Bry. br. 142, t. 13 (1855). 

 Schimp. Synops. 286 (i860), 2 ed. 341. Berk. Handb. br. ra. 246, t. 22, f. i ^1863). 

 MiLDE Bry. siles 181 (1869). Hobk. Syn. br. m. 75 (1873). HusN. Mouss. nord-ouest 

 III (1873). Juratz. Laubm. oesterr.-ung. 214 (1882). Lesq. James Mosses N. Amer. 

 181 (1884). 



Encalypta Orsinii De Not. Syllab. 267 (1838). 



Encalypta leptodon Var. exstinctoria Linde. in Act. soc. sc. fenn. X, 268 (1872). 



Autoicous; densely tufted, radiculose at base, dark green, with 

 short thick branches. Leaves erecto-patent, when dry incurved and 

 subcomplicate, lingulate, apiculate or obtuse, subundulate, nerve strong, 

 reddish, vanishing at or below apex or fexcurrent ; cells at mid-base 

 more laxly rectangular, very thin, at margin narrow and yellowish. 



