GRIMMIACE^.I 57 [Ancectangium. 



base, sheathing, short-pointed, smooth. Caps, on a short yellowish 

 seta, a little exserted above the bracts, oval with a swelling neck rather 

 shorter than the sporangium, fuscous-brown with rufous striae, when dry 

 and empty strongly contracted below mouth ; lid conic with a short 

 oblique beak, calyptra fuscous. Male infl. axillary, gemmiform, often 

 aggregate, bracts broadly ovate, shortly acuminate. 



HAB. Clefts of alpine rocks. Fr. 6 8. 



Snowdon (Wilson) ! ! Skye (Prof. Lawson) ! ! Grayrigg forest, Westmoreland 

 (Stabler, 1868) ! 



An elegant moss with beautiful striate capsules sometimes produced in 

 great abundance, and ornamenting the crevices of rocks in most of the Scotch 

 mountains ; it is evidently closely allied to Zygodon differing principally in its 

 subimmersed fruit. 



2. ANffiCTANGIUM MOUGEOTII (BrucJi) Lindb. 



Dioicous; in large turgid mats. Leaves long, lineal-lanceolate, 

 acutely carinate, not opake. Caps, stouter on a longer seta, the lid 

 with a subulate beak. (T. LIII, F.) 



SYN. Gymnostomitm Mougeotii BRUCH Mss. HUEBEN. Muse. germ. 59 (1833). 



Zygodon Moitgcotii BR. SCH. Bry. eur. fasc. 4, t. 2, p. 7 (1839). RABENH.Deutsch.kr.fi. 

 'ii, S. 3, 175 (1848). C. MUELL. Synops. i, 681 (1849). WILS. Bry. brit. 192, t. 46 (1855). 

 BERK. Handb. br. m. 218 (1863). BOULAY Fl. crypt, de 1'Est 351 (1872). HOBK. Syn. 

 br. m. 97 (1873). HUSN. Mouss. nord-ouest 100 (1873). 



Amphidium Mougeotii SCHIMP. Coroll. 40 (1855). 



Amphoridium Mougeotii SCHIMP. Synops. 247 (1860), 2 ed. 294. DE NOT. Epil. bri. ital. 



276 (1869). MILDE Bry. siles. 163 (1869). JURATZ. Laubm. oester.-ung. 189 (1882). 



LESQ. JAMES Moss. N. Amer. 159 (1884). HUSN. Muse. gall. 147, t. 42 (1887). 

 Cylicocarpus Mougeotii LINDB. Oefv. Vet. Ak. foerh. 1862, n. 10. 

 Barbula Woodii SCHIMP. Synops. 2 ed. 207 (1876). 

 Anoectangium Mougeotii LINDB. Muse, scand. 29 (1879). 



Dioicous ; in large soft turgid mats, yellow-green above, ferruginous 

 below, interwoven with scattered radicles. Leaves erecto-patent, longer, 

 lineal-lane., narrower, acutely carinate, less crisp when dry, nerve 

 stouter, vanishing at apex ; cells incrassate throughout, not opake, qua- 

 drate, yellowish, nearly smooth, margin revolute at base, entire or with 

 minute crenulations from projecting cells. Perich. bracts sheathing 

 only at base, narrower, longer, gradually acuminate, with the nerve 

 subexcurrent. Caps, on a longer seta, thicker, the neck elongated, lid 

 with a long subulate beak, calyptra straw-coloured, long and narrow. 

 Male infl. gemmiform, bracts ovato-lanceolate. 



HAB. Moist shady rocks. Fr. very rare, 8 9. 



