GRIMMIACE^.] 92 [Weissia. 



quadrato-rectang. at margin, upper quadrato-rotundate, papillose. 

 Capsule obovate-clavate, contracted at mouth, pale brown, obliquely 

 8-striate to base, fusiform when old, cells of striae rectangular, 

 leptodermous ; lid pale with a subulate beak ; teeth 16, geminate, 

 whitish, recurving when dry ; rudimentary cilia sometimes present. 

 Calyptra very sparingly hairy. 



HAB. Trunks of alder, birch and mountain ash in subalpine districts. 

 Fr. 78. 



Frequent in Forfar and Perthshire, Braemar, Loch Maree (Hunt 1866) ! ! High Force, 

 Teesdale (Spruce 1842). Cronkley Fell (Stabler 1866) ! ! Powerscourt, Killarney and 

 Luggielaw (Moore). Alford, Aberdeen (Mrs. Farquharsott (1881) ! ! 



This pretty species, by its creeping stems, resembles in habit the great 

 exotic genus Macramitrium ; the leaves are very slightly curled, and the 

 endostome is wanting. 



4. WEISSIA BRUCHII (Hornsch.) Lindb. 



Autoicous; pulvinate, branched. Leaves linear-lanceolate, crisped 

 when dry. Capsule on a long pedicel, oblong-pyriform, with 8 broad 

 striae, contracted at mouth when dry ; calyptra very hairy. 

 (T. LIX, B.) 



SYN. Vlota Brnchii HORNSCH. M*s. BRID. Bry. un. i, 794 f 1827). SCHIMP. Synops. 256 (1860), 

 2 ed. 303. BERK. Handb. br. m. 229 (1863). MILDE Bry. siles. 167 (1869). JURATZ. 

 Laubm. oest.-ung. 195 (1882). LESQ. JAMES Moss. N. Amer. 162 (1884). HOBK. Syn. 

 br. m. 2 ed. 131 (1884). HUSN. Muse. gall. 151, t. 43 ^1887). 



Orthoffichum coarctatum (non P.B.) HUEBEN. Muse. germ. p.p. 349 (1883). BR. Sen. 

 Bry. eur. fasc. 2 3, p. 21, t. n, excl. syn. (1837). RABENH. Deutsch. kr. fl. ii, s. 3, 

 183 (1848). C. MUELL. Synops. i, 713 (1849). 



Qrthotrichum dilataium BR. SCH. Bry. eur. fasc. 2 3, p. 22, t. n (1837). 

 Ulota coarctata HAMMAR Mon. Orth. suec. 25, p.p. (1852). 



Orthotrichum Brnchii WILS. Bry. br. 188, t. 45 (1855). HUSN. Mouss. N.ouest 104 (1873). 

 HOBK. syn. Br. m. 96 (1873). 



Ulotrichitm coarctatum SCHIMP. Consp. Bry. eur. 

 Weissia Bruchii LINDB. Muse, scand. 28 (1879). 



Autoicous; in soft pulvinate tufts, bright yellow-green above, 

 ferruginous at base, the stems erect or ascending from a decumbent 

 naked base, repeatedly dichotomous. Leaves from an ovate concave 

 base, long, linear-lanceolate, subflexuose, twisted and contorted when 

 dry, more gradually pointed than in W. ulophylla and with a paler nerve, 

 margin plane above, recurved below; cells at basal wings quadrate, 

 hyaline, with incrassate transverse walls, those next the nerve larger, 

 rectangular, in straight rows, the upper with smaller papillae ; perich. 

 bracts longer, erect, sulcate at base. Calyptra densely hairy. Capsule 



