HYPNACE^.J 94 [Hypnum. 



Hypnum ruscifolium NECK. Act. acad. theod.-palat. ii, 453 (177). Meth - mus c- 181 (1771.) 

 WITHER. Bot. arrang. ii, 683 (1776). SIBTH. Fl. oxon. 297 (1794). ABBOT Fl. Bedf. 

 246 (1798). HULE Br. Fl. P. 2, 269 (1799). SMITH Fl. Brit, in, 1292 (1804). Eng. 

 Bot. t. 1275. TURN. Musc. hib. 153 (1804). MART. Fl. cr. Erl. 21 (1817). HOOK. 

 TAYL. Musc. Br. 106 (1818). HOOK. Fl. scot. P. 2, 145 (1821). GRAY Nat. arrang. i, 

 761 (1821). VOIT in STURM Deutsch. Fl. II. fasc. 13. HUEBEN. Musc. germ. 626 

 (1833). RABENH. D. kr. fl. II, S. 3, 626 (1848). WILS. Bry. brit. 354 (1855). BERK. 

 Handb. 92 (1863). HOBK. Synops. 159 (1873). 



Hypnum aquatlcum POLLICH PI. Palat. n. 1026 (1777). 



Hypnum riparioides HEDW. Descr. iv, 10, t. 4 (1793), Sp. musc. 242 (1801). ROTH Fl. 

 germ, iii, P. i, 321 (1800). WEB. MOHR Bot. Tasch. 326 (1807). VOIT Musc. herbip. 

 101 (1812). ROEHL. Deutsch. fl. iii, 100(1813). SCHWAEG. Suppl. I, P. II, 195 (1816). 

 FUNCK Moost. 56, t. 38 (1821). 



Hypnum rivulare EHRH. PI. crypt, n. 252 (1793). HOFFM. Deutsch. fl. ii, 78 (1795). 



Rhynchostegium rusciforme BR. SCH. Bry. eur. fasc. 49-51, p. ii, t. 9 (1852). SCHIMP. 

 Synops. 572 (1860), 2 ed. 686. DE NOT. Epilogo 71 (1869). HOBK. Synops. 2 ed. 208 

 (1884). LIMPR. in RABENH. D. kr. fl. Laubm. iii, 230 (1897). 



Eurhynchium rusciforme MILDE Bry. siles. 312 (1869). HUSNOT Musc. gall. 346, t. 100 

 (1893). Dix. JAMES. Stud. Handb. 426 (1896). 



Autoicous ; in lax tufts, decumbent or floating, rigid, dark green 

 and glossy. Stem bare of leaves at base, with many small-leaved 

 stolons and long ascending arched branches. Lowest leaves distant, 

 ovate, recurved, long-pointed and nerveless. Stem-leaves erecto- 

 patent, from a narrow decurrent base, ovate, gradually pointed or 

 bluntish, flat at margin and serrated, nerve strong, vanishing below 

 apex ; cells chlorophyllose, at base and angles bistratose, hexagono 

 rectangular, above long and fusiform. Perichaetial bracts ovate, 

 sheathing at base, divergent, inner with long points, nerveless ; seta 

 purple, smooth ; capsule with a distinct neck, ovate cernuous ; lid conic 

 with a strong beak, annulus of two rows of cells ; peristome rufous, 

 paler at points, papillose, inner yellow. 



HAB. On stones in streams, common. Fr. ii. 

 Var. /3. Atlanticum Bvidel. 



Stems elongated, branches bent downward, arcuate ; leaves large 

 somewhat secund, with short points or obtuse, cells elongated. 



SYN. Hypnum Atlanticum BRID. Musc. rec. II, P. II, 121, t. 4. 

 H. rusciforme 8. Atlanticum BRID. Bry. univ. ii, 499. 



Rhynchostegium rusciforme ft, Atlanticum Bry. eur. I.e. t. 10, fig. ft. 12, 48. 

 Ditto ft. lutcscens SCHIMP. Synops. 2 ed. 687. 



HAB. By waterfalls and in mountain streams. 

 Var. y. inundatum End. Bry. univ. ii, 500. 



