DICRANACE^E.] 176 \S<zlania. 



S^LANIA LINDB. 



Utk. till en nat. grupp. af Eur. bladm. med topps. frukt, 35 (1878). 



Plants caespitant ; leaves lanceolate, minutely areolate, serrated, 

 smooth, covered at back with a glaucous granular-filamentose excretion. 

 Calyptra cucullate. Capsule subcylindric, erect, leptodermous, 

 slightly plicate when dry ; teeth of peristome from a very narrow 

 basal membrane, 16, irregular, cleft to base into two non-trabeculate, 

 nodose, papillose legs, separate or joined here and there at the nodes. 

 Der. after Saslan, a Scandinavian bryologist. 



i. SJELANIA C-ffiSIA (Vill.) Lindb. 



Autoicous ; leaves lanceolate, acuminate, glaucescent, serrate 

 toward apex. Caps, oval-oblong, pale brown, plicate when empty, lid 

 conic. (T. XXVI, F.) 



SYN. Brvum ccesium VILLARS PI. Dauph. iii, 879 (1789), BRID. Muse. rec. II, P. Ill, 49 (1803). 



Trichostomum glaucescens HEDW. Muse, frond, iii, 91, t. 37 B (1792), Sp. muse. 112 (1801). 

 BRID. Muse. rec. II, P. I, 123 (1798), Sp. muse. I, 235 (1806), Mant. 85 (1819). SWARTZ 

 Muse. suec. 30 (1799). SM. Fl. brit. iii. 1245 (1804), Eng. hot. t. 2381. SCHWAEG. 

 Suppl. I. P. I, 125 (1811). WAHLENB. Fl. lapp. 331 (1812), Fl. carpat. 341 (1814). 

 FUNCK Moost. 25, t. 17 (1821). DE NOT. Syllab. 194 (1838), Epil. bri. ital. 510 (1869). 

 BR. SCHIMP. Bry. eur. fasc. 18 20, p. 18, t. 15 (1843). RABEN. Deutsch, kr. fl. ii, S. 3, 

 117 (1848). C. MUELL. Synops, i, 569 (1849). WILS. Bry. brit. 118, t. 33 (1855). 

 HOBK. Syn. br. m. 63 (1873). 



Bryum glaucescens DICKS. Crypt, fasc. IV, 10 (1801). 



Didymodon glaucescens WEB. MOHR Bot. Tasch. 158 (1807). SCHKUHR Deutsch. kr. 

 gew. P. II, 67, t. 30 (1810). ROEHL. Deutsch. fl. iii, 57 (1813). GREV. Scott, cr. fl. iii, 

 1.127(1825). BRID. Bry. univ. i, 513 (1826). HOOK. TAYL. Muse. br. 2 ed. 116, t. 

 suppl. 3 (1827). HOOK. Br. fl. ii, 29 (1833). 



Didymodon ceruginosus HOOK. Mss. BRID. Bry. univ. i, 516. 



Leptotrlchum glaucescens HAMPE in Linnasa XX, 74 (1846). Schimp. Synops. 146 (1860), 



2 ed. 145 (1876). BERK. Handb. br. m. 263 (1863). MILDE Bry. siles. 138 (1869). 



JURATZ. Laubm. oesterr. ung. 82 (1882). 



Ditrichum glaucescens HAMPE in Flora 1867, p. 182. 

 Scelania ccesia LINDB. I.e. et Muse, scand. 28 (1879). 



Autoicous; densely csespitose, about | f in. high, erect, very 

 slender, much branched, fastigiate, yellowish-green above, and glau- 

 cescent from a mealy production on the leaves, ferruginous and some- 

 what radiculose below. Leaves minute and distant below, comose and 

 erecto-patent above, somewhat twisting at point, smooth, from a lanceo- 

 late base, lineal-subulate, acute, carinate, margin erect, serrated at apex, 

 nerve lost in the point ; all the cells quadrate-rectangular, firm, chloro- 

 phyllose. Perich. bracts not vaginant, resembling the leaves but longer 

 and more laxly areolate, the margin of two layers of cells ; caps, on a 

 yellowish-red seta, erect, oval-oblong, subcylindraceous, olivaceous, 

 finally pale fuscous, leptodermous, irregularly plicate when empty ; 

 annulus compound ; lid conico-rostellate, pale red, suboblique ; teeth 



