DICRANACE^.] 145 [Dicranum. 



Autoicous ; in large dense tufts 2 5 in. high, yellow-green or 

 olivaceous above, fuscescent below, soft ; stems slender, simple or 

 dichotomous, eradiculose. Leaves erecto-patent, straight glossy oblongo- 

 lanceolate, subulate, entire, very concave semitubulose above from the 

 incurved margin, auricled at base, nerve narrow compressed vanishing 

 at apex ; all cells very narrow linear, the angular numerous orange lax 

 quadrate. Perich. bracts oval-oblong sheathing, laxly areolate, suddenly 

 subulate, imperfectly denticulate at apex ; caps, oblongo-cylindric, 

 cernuous incurved substrumose not striated, fuscescent ; annulus simple, 

 lid with a short stout oblique beak ; peristome purple. 



Male infl. close to perichsetium, gemmiform, brown, bracts broadly 

 ovate, subulate. 

 HAB. On the highest mountains of Scotland. Fr. 7 8. 



Ben Nevis (Hooker) ! ! Cairn Taggart and Loch-na-Neem, Braemar (Black) ! ! Ben- 

 mac-dhui (Hunt 1868) ! ! Ben Lawers. 



The original name of Wilson is highly appropriate to this beautiful 

 species, referring as it does to its soft silky leaves. 



SECT. 2. EUDICRANUM LINDB. 



6. DICRANUM MAJUS Smith. 



Pseud-autoicous, tall ; leaves from a broad base, lane. -subulate, 

 falcate, serrate above, not undulate, nerve flattened, excurrent, serrate 

 at back in upper part ; setae pale, aggregated, caps, cernuous, curved, 

 lid with a very long beak. (T. XX, E.) 



SYN. Bryuireclinatum,foUisfalcatisscoparum effigie, sctis pluribus DILL. Hist. muse. 358, 



t. 46, f. 16, D. (1741), et herbar. 



Dicranum niajiis SM. Fl. brit. iii, 1202 (1804), Eng. Bot. t. 1409. TURN. Muse. hib. 59, 

 t. 4 (1804). WAHLENB. in Act. Holm. 1806, p. 136. SCHWAEG. Suppl. I, P. I, 163, 

 t. 40 (1811). HUEBEN. Muse. germ. 237 (1833). BR. SCHIMP. Bry. eur. fasc. 37 40, 

 p. 43, t. 37 (1847). RABEN. Deutsch. kr. fl. ii, S. 3, 148 (1848). HARTM. Skand. fl. 

 C. MUELL. Syn. i, 360 (1849). WILS. Bry. br. 81, t. 18 (1855). JENS. Bry. dan. 93 

 (1856). SCHIMP. Synops. 90 (1860), 2 ed. 92 (1876). BERK. Handb. br. m. 279 (1863). 

 MILDE Bry. siles. 71 (1869). DE NOT. Epil. bri. ital. 620 (1869). HOBK. Syn. br. m. 

 48 (1873). HUSN. Mouss. nord-ouest, 53 (1873). JURATZ. Laubm. Oesterr. ung. 

 48 (1882). 



Dicr. polysetum p.p. BRID. Sp. muse. I, 174 (1806), Mant. 56 (1819), Bry. univ. i, 413 



(1826). ROEHL. Deutsch. fl. iii, 66 (1813). 

 Dicr. scoparium Var. a. majus HOOK. TAYL. Muse. br. 58, t. 18 (1818). HOOK. fl. 



scot. P. II, 133 (1821). 



Dicr. scoparium TAYL. Ann. Mag. nat. hist, xii, 129 (1843), et Bot. zeit. 1843, p. 695. 

 Pseud-autoicous; 2 5 in. high, laxly csespitose, pale or deep 

 green with a silky gloss, pale brown below ; stem slender, prostrate 

 below, arcuato-ascending, more or less invested with pale spongy 

 tomentum. Leaves very long, subsericeous, falcato-secund, amplexi- 

 caul, lanceolate, longly subulate, canaliculate, sharply serrate in 

 the upper part ; nerve broad at base, ending in the apex, 

 sulcate at back and with 5 rows of teeth toward point ; cells at 



