Hypnace^.] 142 [Hylocommm. 



orange, quadrate. Perich. bracts erect, two-nerved, broadly lanceolate, 

 acute, not striated, seta pui-ple, capsule cernuous, castaneous, ovate- 

 oblong, curved, lid conical, peristome orange, inner with 2 — 3 cilia. 



Hab. — Woods and shady banks, common. Fr. 10 — 11, rare. 



Linnseus tells us that the name refers to the use of the moss in Sweden, to 

 stop the crevices in their wooden houses. It appears to have been used for a 

 similar purpose in this country, as it has been found in ancient crannoges in 

 several localities. 



Sect. C. RHYTIDIADELPHUS. Stem distinctly pinnate with unequal 

 branches, without paraphyses. Stem-leaves squarrose or recurved, plicate 

 longitudinally. 



6. HYLOCOMIUM TRiaUETRUM (L.) Br. Sch. 



Dioicous; stems erect, rigid, subpinnate. Stem-leaves cordate at 

 base, triangular, gradually narrowing to an acute point, squarrose, 

 striated, two-nerved. Capsule roundish-ovate, cernuous, lid conical, 

 (T. CXI, A.) 



Syn. — Muscns icrrestris maxhmis ramosus erectior, latioribus et pallidioribus foliis Ray Syncps. 

 2 ed. 36 (1696). 



Hypnum rcpens triaugularibits majoribus et pallidioriUis foliis Dill. Cat. Giss. 2ig (1718), 

 et in Ray Synops. i, 3 ed. 80 (1724)- 



Hypnum viilgare, triaiignltmt, maximum et pallidum Dill. Hist. muse. 293, t. 38, f. 28 

 (1741) et Herbar. 



Hypnum triquetnim L. Sp. plant. 1124 (1753). HuDS. Fl. Angl. 420 (1762). Weiss 

 Crypt. Goett. 222 (1770). Neck. Meth. muse. 185 (1771). Wither. Bot. arrang. ii, 

 682 (1776). LiGHTF. Fl. Scot. 746 (1777). Web. Spic. Fl. Goett. 77 (1778). Hedw. 

 Fundam. II, 94 (1782), Sp. muse. 256 (1801). Relh. Fl. Cant. 409 (1785). Roth 

 Fl. Germ, i, 465 (1788). Sibth. Fl. Oxon. 297 (1794). Hoffm. Deutsch. fl. ii, 66 

 (1795). SwARTZ Muse. Suec. 59 (1799). Brid. Muse. rec. II, P. II, 157 (1801), Sp. 

 muse. II, 197 (1812), Mant. 175 (1810), Bry. univ. ii, 508 (1827). Sm. Fl. Brit. 1324 

 (1804), Eng. Bot. t. 1622. Turn. Muse. Hib. 186 (1804). Schultz Fl. Starg. 331 

 (1806). Web. Mohr Bot. Tasch. 354 (1807). Wahlene. Fl. Lapp. 373 (1812), Fl. 

 Carpat. 359 (1814). Schwaeo. Suppl. I, P. II, 280 (1816). Hook. Tayl. Muse. Brit. 

 108 (1818). Hook. Fl. Scot. P. 2, 146 (182 1). Gray Nat. arrang. i, 763 (1821). 

 FuNCK Moost. 64, t. 48 (1821). HuEBEN. Musc. germ. 665 (1833). De Not. Syllab. 

 40 (1838). Rabenh. D. kr. fl. II, S. 3, 278 (1848). C. Muell. Synops. ii, 444 (1851). 

 WiLS. Bry. Brit. 385 (1855). Berk. Handb. 114, t. g (1863). Milde Bry. Siles. 344 

 (1869). HoBK. Synops. 182 (1873). Boulay Musc. Fr. 2 (1884). Lesq. James Moss. 

 N. Amer. 409 (1884). 



Hylocomium triquetrum Be. Sch. Bry. Eur. fasc. 49 — 51, p. 8, t. 5 (1852). Schimp. Synops. 

 657 (i860), 2 ed. 803. De Not. Epilogo 97 (1869). Hobk. Synops. 2 ed. 234 (1884). 

 HusN. Musc. Gall. 424, t. 123 (1894). Dix. James. Stud. Handb. 498 (1896). Limpr. 

 in Rabenh. D. kr. fl. Laubm. iii, 592 (igoi). 



Dioicous ; in tall, rigid, glossy, yellowish or bright green tufts. Stem 

 red, erect dichotomous, pinnate; branches unequal, attenuated and 

 decurved, or short and thick. Stem-leaves squarrose, cordate at base, 

 broadly ovate, gradually triangular and acute at apex, scariose and rough 



