Hypxace.e.] 112 [Hypnum. 



rigid rambling plant, with rather scariose leaves with many deep plaits, and 

 the cells narrower and serpentine. The tree-like form is not seen in 

 H, rutahuhon. 



38. HYPNUM PLUMOSUM Huds. 



Autoicous ; stem procumbent, pinnate. Lea\'es erecto-patent, ovate 

 with long subserrulate points and many plaits, nerved above half-waj-. 

 Seta smooth, capsule cernuous, ovate, curved, lid conical. (T. CVI, B.) 



Syn. — Hypnum repens fiUcinum pennatiim Dill. Cat. Gissen. 218 (1718). 



Hypnum repeiis fiUcinum plumosum Dill, in Ray Synops. 3 ed. 86 {1724) ; Hist. muse. 

 280, t. 35, f. 16 (1741) et Herb. 



Hypnum plumosum (non Hedw.) Hudson F1. angl. 423 (1762). Brid. Muse. rec. H, 

 P. II, 65 {1801), Sp. muse. II, 171 (1812), Mant. 172 (1819), Bry. univ. ii, 475 (1827). 



Hypnum salebrosum Hoffm. Deutsch. Fl. ii, 74 (1795). Web. Mohr Bot. Taseh. 312 

 (1807). Brid. Sp. muse. II, 172, Mant. 172, Bry. univ. ii, 477. Schwaeg. Suppl. I, 

 P. II, 237 (i8i6). ScHULTz Suppl. Fl. Starg. 77 (i8ig). Funck Moostasch. t. 42, f. 31 

 (1821). Grev. Scott, crypt, fl. iv., t. 184 {1826). Hueben. Muse. Germ. 643 (1833). 

 De Not. Syllab. 28 (1838). Rabenh. D. kr. fl. II, S. 3, 296 (1848). Wils. Bry. Brit. 

 338, t. 55 (1855). Berk. Handb. 77 (1863). Hobk. Synops. 148 (1873). Boulay 

 Muse. Fr. 133 {1884). 



Hypnum plumosum p, salebrosum C. Muell. Synops. ii, 359 (1851). 



Brachythecium salebrosum Br. Sch. Bry. eur. fasc. 52 — 54, p. 16, t. 15 — 16 {1853). 

 ScHiMP. Synops. 532 (i860), :s ed. 641. De Not. Epilogo 119 (1869). Milde Bry. 

 siles. 330 (1869). HoBK. Synops. 2 ed. 197 (1884). Husn. Muse. gall. 323, t. 93 (1892). 

 Dix. James. Stud. Handb. 401 (1896). Limpr. in Rabenh. D. kr. fl. Laubm. iii, 72 

 (1896). 



Brachythecium ambiguum De Not. Cronaea II, 18 (1867), Epil. 112 sec. Venturi. 



Brack. jucuiidmn De Not. Cron. II, 20, et Epil. 118 see. Venturi. 



Brachythecium tcxanum Austin in Bull. Torr. Club vi, 44. 



Brachythecium Icevisetum Kindb. Bull. Torr. Club xvii, 279 (i8go). 



Autoicous ; resembling H. rutabtdum, in depressed pale green tufts, 

 branches subpinnate, terete, erect. Stem-leaves erecto-patent, from an 

 o\-ate base, acuminate, more or less distinctly serrulate in the upper half, 

 strongly biplicate, nerved to middle ; cells rectangular at base, 8 — 12 

 times long as broad above ; branch-leaves erecto-patent, lanceolate, 

 acuminate, serrate at point. Perichsetial bracts squarrosely recurved from 

 the middle and longly subulate, seta red, smooth ; capsule oblong, 

 cernuous, curved, brown ; lid conical, pointed, teeth reddish-brown, 

 endostome jellow. Male infl. gemmiform, the bracts erecto-patent, inner 

 with toothed subulate points. 



Hab. — On stones in woods and at tree roots, not common. Fr. 12 — 2. 



Near Castle Howard station {Spruce 1847) I ! Forfar (Drummond). St. Andrews {Howie 

 1858). Near Newton Viaduct {Wilson 1847). 



Var. /3. Mildei Schimp. 



