GRiMMiACEiB.] 54 [Glyphomitrium. 



Dicranum aggregatum Brid. Sp. muse. I, 203. 



Mnium tortile Brid. Sp. muse. Ill, 64 (1817). 



Racomitrittm falcifolmm Brid. Mant. 82 (1819). 



Racomitrium polyphyllum Brid. Mant. 82 ; Bry. univ. i, 225 (1826). Hueben. Muse, 

 germ. 214 (1833). 



Ptychomitriutn polyphyllum Fuernr. in Flora xii, P. II, Erganz. ig (1829). Br. Sch. 

 Bry. eur. fase. 2-3, p. 4, t. i (1837). De Not. Syllab. 260 (1838), Epil. bri. ital. 722 

 (1869). Hartm. Skand. fl. Rabenh. Deutsch. kr. fl. ii, S. 3, 173 (1848). WiLS. Bry. 

 brit. 173, t. 19 (1849). ScHiMP. Synops. 244 (i860), 2 ed. 289. Berk. Handb. br. m. 

 231, t. 21 (1863). MiLDE Bry. siles. 162 (1869). Hobk. Syn. br. m. 8g {1873). HusN. 

 Mouss. nord-ouest gg (1873), Muse. gall. 145, t. 42 {1887). Boulay Muse. Fr. 352 

 (1884). Juratz. Laubm. oester.-ung. 187 (1882). 



BrachysteUum polyphyllum HoRNSCH. Linnoea XV, 127 (1848). C. Muell. Synops. i, 

 767 (1849). 



Autoicous; plants * — 2 in. high, erect, crowded in small soft 

 yellow-green cushions, branched from the base. Leaves densely crowded, 

 nearly equal throughout, crisped and spirally involute when dry, erecto- 

 patent when moist, from an oblong plicate base, gradually lineal- 

 lanceolate, acutely carinate, remotely and coarselj? serrate below apex 

 or nearly entii^e, margin revolute up to middle, nerve channelled, 

 vanishing in the apex ; cells at base very narrow, elongated, at angles 

 lax, broad, fuscescent, at apex small, quadrate. Caps, aggregated on 

 an elongate straight red seta, longish elliptic, leptodermous, pale brown, 

 lid reddish, subulate, half length of caps., annulus very broad, teeth 

 long, red, cleft to base into two subulate rugulose legs ; calyptra 

 roughish at apex. Male infl. axillar, below the female minute, bracts 

 broadly ovate, acuminate, very concave, entire. 



Hab. — Siliceous rocks and old walls in subalpine districts. Fr. 3 — 4. 



A common but very beautiful moss, usually fruiting in abundance, its 

 pale red teeth fading away into white at apex. Occasionally it occurs in 

 rough squalid tufts of a black or lurid green colour. 



3. GLYPHOMITRIUM SAXICOLA {Weh. Mohr) Mitt. 



Autoicous ; very short. Leaves lanceolate-subulate, subcrispate, 

 entire. Caps, on a geniculate seta, subcylindric, pale, calyptra subulate, 

 5-lobed, lid subulate, teeth lane. -subulate, bicrurous. (T. LIII, D.) 



5-in.~Dicrantim saxicola Web. Mohr Bot. Tasch. 167 (1807). Funck Moostacb. 31, t. 22 

 (1821). 



Grimmia geniculaia Schwaeg. Suppl. I, P. I, 82, t. 22 (1811). Funck Moostach. 15, 

 t. II. Kaulf. in Sturm Deutsch. fl. II, 16 (i8x8). Brid. Bry. univ. i, 189 (1826). 



Weissia genkulata Roehl. Deutseh. fl. iii, 48 (1813). Brid. Mant. 38 (1819). Hueben. 

 Muse. germ. 139 {1833). 



