DICRANACE^.] 151 [Dicranum. 



broadly lanceolate, rather obtuse, channelled below, carinate above, 

 margin strongly undulate from middle to apex, sharply serrate and also 

 at back of nerve which vanishes below apex ; cells at base narrowly 

 rectang. at angles suddenly much dilated, subquadrate, orange, above 

 subrhombic-quadrate, irregular, mammosely protuberant at back. 

 Perich. bracts convolute with a short point; capsule on a greenish- 

 yellow seta, rather small, incurved-oblong, cernuous, obsoletely striate ; 

 annulus of 3 rows of cells ; lid long-beaked, long as caps. 



Male infl. very small, gemmaceous, nestling in the tomentum. 



HAB. Boggy heaths ; rare. Fr. 8 9. 



Risley moss, Warrington (Wilson) ! Wybunbury bog in fr. (Wilson) ! ! 



10. DICRANUM SPURIUM Hedwig. 



Autoicous ; laxly tufted, tomentose. Leaves broadly lanceolate, 

 acute, undulate, eroso-denticulate, papillose at back, nerve vanishing. 

 Capsule solitary, cylindric, arcuate, lid rostrate. (T. XXII, A.) 



SYN. Dicranum spnrium HEDW. Muse, frond, ii, 82, t. 30 (1788), Sp. muse. 141 (1801). TIMM 

 Fl. meg. n. 784 (1788). ROTH Fl. germ, iii, P. I, 178 (1795). BRID. Muse. rec. II, P. i, 

 171 (1798), Sp. muse. I, 200 (1806), Mant. 65 (1819), Bry. univ. i, 416 (1826). SWARTZ 

 Muse. suec. 33 (1799). ROEHL. Moosg. deutsch. 352 (1800), Deutsch. Fl. iii, 68 (1813). 

 SMITH Fl. brit. iii, 1222 (1804), Eng. Bot. t. 2167. WEB. MOHR Bot. Tasch. 178 (1807). 

 SCHVVAEG. Suppl I, P. I, 179 (1811). VOIT Muse. herb. 40 (1812). MART. Fl. cr. erl. 

 103 (1817). HOOK. TAYL. Musc.br. 56, t. 17 (1818). FUNCK Moost. 29, t. 20 (1821). 

 HOOK. Fl. scot. p. 2, 133 (1821) ; Br. Fl. ii, 40 (1833). GRAY Nat. arr. Br. pi. i, 737 

 (1821). HUEBEN. Muse. germ. 242 (1833). ^ E NOT. Syll. muse. 214 (1838); Epil. 618 

 (1869). HARTM. Skand. fl. BR. SCH. Br. eur. fasc. 37-40, p. 41, t. 33 (1847). RABEN. 

 Deutsch. kr. fl. ii, S. 3, 147 (1848). C. MUELL. Synops. i, 356 (1849). WILS. Bry. brit. 

 80, t. 18 (1855). JENS. bry. dan. 91 (1856). SCHIMP. Synops. 93 (1860); 2ed. 96 (1876). 

 BERK. Hand. br. m. 280 (1863). MILDE Bry. siles. 73 (1869). HOBK. Syn. br. m. 49 

 (1873). HUSN. Mouss. nord-ouest 54 (1873). JURATZ. Laubm. Oesterr.-ung. 51 (1882). 



Mnium spnrium GMEL. Syst. nat. ii, 1328 (1791). LAICH, PI. eur. 476 (1794). 



Bryum spnrium HOFFM. Deutsch. fl. ii, 38 (1796). DICKS. PI. crypt. Fasc. 4, 13 (1801). 



Cecalyphum spurium P. BEAUV. Prodr. 51 (1805). 



Autoicous ; robust, crowded into lax fragile tufts, glossy bright or 

 yellowish green. Stems dichotomous, erect or decumbent, 3 6 in. 

 high, fasciculate-leaved, covered with rufescent tomentum. Leaves 

 shorter below, ovato-lanceolate, upper crowded into a dense coma, 

 patent, when dry incurved, subcirrate, broadly lanceolate, attenuated 

 rapidly to a point, very rugose, serrated at margin, papillose at back of 

 apex ; nerve thin, vanishing at apex, denticulate-scabrous at back of 

 point ; cells at base short, incrassate, above elongato-rectang. upper short, 

 polymorphous. Perich. bracts ovate subulate, inner elongate convolute 

 sheathing, with a short point ; caps, oblong, subcylindric, incurved, 

 obsoletely striate, pale yellow-brown, when dry curved cernuous, deeply 

 sulcate and contracted below mouth ; annulus of 2 series of cells ; lid 

 long as caps, obliquely rostrate ; per. of D. scoparium with subulate legs. 

 Male infl. gemmaceous, nidulant in the tomentum. 



