BRYACE^E.] 195 [Bryum. 



Bryum roseum SCHREB. Spic. fl. Lips. 84 (1771). NECK. Meth. muse. 219 (1771). WEB. 



Spic. fl. goett. 119 (1778). SWARTZ Muse. suec. 51 (1798). ROTH Fl. germ, iii, P. 2, 



247 (1800). SM. Fl. brit. 1370 (1804), Eng. Bot. t. 2395. TURN. Muse. hib. 132 (1804). 



BRID. Mant. 119 (1818). HOOK. TAVL. Muse. brit. 120, t. 29 (1818). HOOK. Fl. scot. 



P, 2, 150 (1821), Brit. fl. ii, 6} (1833). GRAY Nat. arr. Br. pi. i, 769 (1821). MACK. Fl. 



hib. P. 2, 33 (1836). BR. SCH. Bry. eur. fasc. 6 9, p. 56, t. 25 (1839). RABENH. 



Deutsch. kr. fl. ii, S. 3, 222 (1848). C. MUELL. Synops. i, 247 (1848). WILS. Bry. br. 



356, t. 29 (1855). SCHIMP. Synops. 381 (1860), 2 ed. 466. BERK. Handb. br. m. 198 



(1863). DE NOT. Epilogo 389 (1869). MILDE Bry. siles. 222 (1869). HOBK. Synops. 



120 (1873). HUSN. Mouss. nord-ouest 126 (1873), Muse. gall. 252, t. 69 (1889). JURATZ. 



Laubm. oester.-ung. 296 (1882). BOULAY Muse, de Fr. i, 246 (1884). LESQ. JAMES 



Moss. N. Amer. 239 (1884). 

 Mnium proliferum LEYSS. Fl. halens. 272 (1783). GMEL. (L.) Syst. nat. ii, 1330 (1791). 



WITHER. Bot. arr. Br. veg. 3 ed. iii, 806 (1796). 



Hypnum roseum SCHRANK Bayer. Fl. ii, 471 (1789). WEB. MOHR Bot. Tasch. 297 (1807). 



Bryum proliferum SIBTH. Fl. oxon. 292 (1794). 



Bryum Polla rosea BRID. Bry. univ. i, 696 (1826). 



Rhodobryum roseum LIMPR. in RABENH. D. kr. fl. Laubm. ii, 445 (1893). 



Dioicous ; in tall gregarious or lax deep green tufts, the stem 

 producing subterranean radiculose stolons. Cauline leaves small and 

 thin, distant, lanceolate, squamiform and appressed ; comal leaves very 

 large, crowded in a rosette, elongate-spathulate, acute, rather curled 

 when dry, margin strongly serrate in upper half, reflexed below ; nerve 

 broad at base, vanishing below apex ; cells thin, rather lax, longish 

 rhombo-hexagonal. Perich. bracts smaller, lanceolate acuminate; 

 setae i 3 in a perichaetium, stout, rufous-purple, arcuate at top ; caps, 

 pendulous, solid, rufous-brown, elongate-obconic, slightly incurved, 

 sometimes obovate-oblong and equal, not contracted below mouth 

 when dry; teeth long, ferruginous, endostome yellow with a broad 

 membrane, processes lacunose. Male plants in separate tufts, smaller, 

 the leaves shorter, broader, and expanded like a star. 

 HAB. Shady places in woods and by streams. Fr. 10, rare. 



Lydford, Devon c. fr. (Rev. C. A. Johns 1845) ! ! Near Over > Cheshire c. fr. (Hunt) ! 

 Hustyn woods, Cornwall c. fr. (Tellam). 



This fine moss has all the appearance of a Mnium, and represents a small 

 group of which B. giganteum, iimbraculum, Cotnmersoni and Beynchii are 

 examples. Linnaeus had evidently some misgiving about his four varieties 

 of Mnium serpyllifolium a. punctatum, f3. cuspidatum, y. proliferum, 8. undulatum, 

 as he says, " varietates has pro distinctis speciebus sumunt varii, ego ob 

 suas caussas ita conjuxi, ut qui distinguendas velit, facile distinctas tradat." 



ADDENDA. 

 BRYUM JTJLIFORME (Solms) S chimp. 



Dioicous; glossy yellowish green, with very slender julaceous 

 branches. Leaves imbricated, appressed, ovate-elliptic with a recurved 



