TORTULACEjE.] 237 [MolUd. 



Weissia controvcrsa HEDW. Muse, frond, iii, 13, t. 5, B. (1792), Sp. muse. 67 (1801). 



SWARTZ Muse. suec. 26 (1799). TURN. Muse. hib. 27 (1804). SCHKUHR Deutsch. kr. 



gew. P. II, 52, t. 25 (1810). SCHWAEGR. Suppl. I, P. I, 77 (1811). WAHLENB. Fl. 



carp. 340 (1814), Fl. ups. 384 (1820). ROEHL. Deutsch. fl. iii, 48 (1813), Ann. Wett. 



ges. iii, 98. HOOK. TAYL. Muse. brit. 47, t. 15 (1818), HOOK. Fl. scot. P. II, 131 



(1821), Brit. fl. ii, 22 (1833). FUNCK Moost. 15, t. 10 (1821). GRAY Nat. arr. br. pi. i, 



731 (1821). ZENK. DIETR. Muse, thuring. II, n. 45 (1822). NEES HORNSCH. Bry. germ. 



ii, P. 2, 42, t. 27, f. 7 (1831). HUEBEN. Muse. germ. 123 (1833). Fl. danica t. 2304, fig. 



2. MACK. Fl. hib. P. 2, 15 (1836). DE NOT. Syllab. 234 (1838), Epil. bri. ital. 599 



(1869). WILS. Bry. brit. 46, t. 15 (1855). BERK. Handb. br. m. 291 (1863). HOBK. 



Syn. br. m. 33 (1873). 

 Grimmia controversa SCHRAD. Samml. SIBTH. Fl. oxon. 277 (1794). SMITH. Fl. brit. iii, 



1187 (1804), Eng. Bot. t. 1367. WEB. MOHR. Bot. Tasch. 133 (1807). VOIT Muse. 



herb. 32 (1812). 

 Bryunt controversum HOFFM. Deutsch. fl. ii, 32 (1795). P. BEAUV. Mem. Soc. Linn. Par. 



t. 5, f. 5 (1822). 



Weissia vlrens BRID. Muse. rec. II, P. I, 69 (1798). ROEHL. Moosg. deutsch. 147 (1800). 

 Weissia microdonta et Dicranum xantliodon HEDW. Sp. muse. t. n & 30 (1801). 

 Weissia mutabilis BRID. Sp. muse. I, 103 (1806). MART. Fl. crypt, erl. 112 (1817). 

 Hymenostomum subglobosum NEES HORNSCH. Bry. germ, i, 103, t. 12 (1823). BRID. Bry. 



univ. ii, 79. 

 Weissia humilis , fallax et Bruchiana NEES HORNSCH. Bry. germ, ii, P. II, 36, t. 26 27 



(1831). 



Sitnophyllum uiridulum LINDB. Rev. crit. icon. fl. danicae 51 (1871). 

 Mollia viridula LINDB. muse, scand. 21 (1879). 



Autoicous ; short, laxly caespitose or subpulvinate, bright green, 

 nearly simple. Leaves when dry, involuto-crispate, when moist erecto- 

 patent, the lower lane, upper longer, comant, flexuoso-patulous, from 

 an oblong concave base with plane margins, lineal lane, the wings 

 above connivent, involute at margin, nerve strong, yellowish excurrent 

 in a short mucro ; cells at base rectang. pellucid, above very minute, 

 opake. Caps, on a rather short pale seta, erect, oval or oblong, 

 occasionally subcylindric, rufescent or fuscous, when dry slightly 

 contracted below the mouth and sulcate ; annulus narrow, lid obliquely 

 subulate, reddish at base, peristome very variable, teeth lineal-lane. 

 often truncate or cleft at apex; rufo-ferruginous, roughish at back, 

 with 2 5 joints. 



Male infl. terminal on the innovations, minute, gemmaceous, bracts 

 ovate, acuminate. 

 HAB. Banks, roadsides and sandy ground ; common. Fr. 3 5. 



Var. ,8. amblyodon Brid. 



Leaves shorter, oblong-lanceolate ; teeth pale, short and truncate or 

 cloven at apex, lid shorter. 



SYN. Weissia amblyodon BRID. Bry. univ. i, 805. NEES HORNSCH. op. c. 52, t. 28. 



W. gymnostomoides & microstoma NEES HORNSCH. op. c. 33, t. 25. 



W. viridula, 8. amblyodon Bry. eur. 

 HAB. Peaty soil. 



Forth Dafarch (Wilson 1856)!! Milnthorpe, Syergh fell and Helsington Barrows 

 (Barnes 1870) ! ! Malham cove (Nowell) ! Plymstock (Holmes). 



Var. y. gymnostomoides Brid. 



