DiCRANACE^.] 174 ICeratodon. 



Bryum. parvum trichoides ramosum, erectis capituUs subfuscis in pedicuUs obscure rubris. 



Dill. Cat. Giss. 224 (1719), et in Ray Synops. 3 ed. 96 {1724). 

 Bryum perangustis fol. et cauUc.fol. crebrioribus et circa sum. magis congestis, capit. erectis 



e sure, annot. egred. pediculis purpureis. Dill. Giss. 226 ; Ray Syn. 3 ed. gg. 



Bryum parvum, surculis et setis geminatis. Dill. Hist. 385, t. 4g, f. 50 (1741). 



Bryum tenue stellatum, setis purpureis. Dill. Hist. 386, t. 49, f. 51. 



Bryum polytrichoides palustre, setis longioribus rubris setaceis. Dill. Hist. 387, t. 49. f. 52. 



Mnium purpureum L. Sp. pi. ii, mi (1753), Syst. nat. ii, 700. With. Bot. arr. Br. veg. 



665 (1776). Relh. F1. cant. 399 (1785). Abbot F1. bedf. 233 (1798). 

 Bryum Celsii L. op. c. ii, 1120. Vill. PI. dauph. iii, 866 (1789). Dicks, fasc. HI, 7. 

 Br)/M»M^Mr/!<«Mm HuDS. Fl. angl. 412 (1762). Neck. Meth, muse. 211(1771). Weiss 



Cr. gott. ig8 (1770). Lightf. Fl. scot, ii, 734 (1777). Web. Spic. fl. goett. 101(1778). 



HoFFM. Deutsch. fl. ii, 36 (1796). Hull Br. fl. P. 2, 254 (1799). 

 Dicranum purpureum Hedw. Fund. muse, ii, 92, t. 4, fig. 17 (1782), Sp. muse. 136, t. 36 



(1801). Roth Tent. fl. germ, i, 460 (1788). Sibth. Fl. oxon. 281 (1794). Brid. Muse. 



rec. II, P. I, 178 (1798), Sp. muse. I, 215 (1806), Mant. 69 (1819). Swartz Muse. 



suee. 36(i7g9). Roehl. Moosg. deutsch. 360 (1800), Deutsch, fl. iii, 75 (1813). Rich. 



in McHX. Fl. bor. amer. ii, 298 (1803). Sm. Fl. brit. iii, 1217 (1804), Eng. bot. t. 2262. 



Turn. Muse. hib. 71 (1804). P. Beauv. Prodr. 55 (1805). Schultz Fl. starg. 300 



(1806). Web. Mohr Bot. Tasch. igg (1807). Schwaeg. Suppl. I, P. I, 216 (1811). 



Voit Muse, herbip. 51 (1812). Wahlenb. Fl. carp. 346 (1814). Mart. Fl. cr. erl. 104 



(1817). FuNCK Moost. 30, t. 21 (1821). FiciN. Fl. Dresd. ii, 54 (1823). 



Fuscina purpurea Schrank Bayers, fl. ii, 453 (1789). 



Bryum bipartitum Dicks, fasc. II, 7, (1790). Hoffm. With. 



Bryum tenue Dicks, fasc. Ill, 8. 



Dicran. Celsii Swartz Suee. Hedw. Sp. muse. Eng. bot. t. 2418. 



Bryum strictum Dicks, fasc. iv. 



Bryum papillosum Dicks, ibid. 



Dicr. intermedium &■ purpurascens Hedw. Sp. muse. 



Dicr. bipartitum, Sm. Fl. brit. Eng. bot. t. 2357. Dicr. strictum Sm. Fl. brit. 



Trichostomum papillosum Sm. Fl. brit. 1238. Eng. bot. t. 2533. 



Didymodon purpureus Hook. Tayl. Muse. brit. 65, t. 20 (1818). Gray Nat. arr. br. pi. 

 i, 742 (1821). Hook. Fl. scot. P. II, 135 (1821), Brit. fl. ii, 28 (1833). Bals. De 

 Not. Prod. Bry. mediol. 124 (1834). Mack. Fl. hibern. P. 2, 17 (1836). 



Cerotadon purpureus Brid. Bry. univ. i, 480 (1826). Wallr. Fl. cr. germ, i, I7g (1831). 

 Hueben. Muse. germ. 276 (1833). Hartm. Skand. fl. Br. Schimp. Bry. eur. fasc. 2g — 

 30, p. 5, t. 1—2 (1846). Rabenh. Deutsch. kr. fl. ii, S. 3, 134 (1848). C. Muell. Syn. 

 646 (i84g). WiLS. Bry. brit. 84, t. 20 (1855). Schimp. Synops. 139 (i85o), 2 ed. 135 

 (1876). Berk. Handb. br. m. 275, t. 23, fig. 5 (1863). Milde Bry. siles. 130 (1869). 

 De Not. Epil. bri. ital. 568 (i86g). Hobk. Syn. br. m. 49 (1873). HusN. Mouss. 

 nord-ouest 70 (1873). Juratz. Laubm. oesterr.-ung. 85 (1882). 



Trichostomum purpureum De Not. Syllab. 189 (1838). 



Dioicous ; in wide-spreading patches, olivaceous-green, often with 

 a rufous or fuscous tint. Stems dichotomous, i — 3 in. long, fasti- 

 giate, radiculose below. Leaves erecto-patent, laxly imbricated, 

 incurved and somewhat twisting when dry, oblongo-lanc, subcomplicate- 

 concave, margin revolute, becoming plane at apex, entire or slightly 

 denticulate at point ; nerve lost at apex or forming a cuspidate point ; 

 cells at base pellucid, elongate, 4 — 5 angled, above rounded-quadrate, 

 nearly smooth, obscure and chlorophyllose. Perich. bracts longer, the 

 innermost longly convolute-vaginant, sinuate above, and often suddenly 

 acuminate and crenulate at apex. Caps, on a long purple shining seta, 

 inclined, oblong, turgescent, straight or a little curved, purple or rufo- 



