ToRTULACE^.] 236 [Mollia. 



Hymenostomum tortile Br. Schimp. Bry. eur. fasc. 33 — 36, p. 6, t. 3 — 4 (1846). De Not. 



Epil. bri. ital. 606 (1869). Schimp. Synops. -^ ed. 35 (1876). Husnot Muse. gall. 6, 



t. 2 (1884). 

 Weissia tortilis C. MuELL. Synops. i, 661 (1849). Milde Bry. siles. 44. (i86g). JURATZ. 



Laubm. oesterr.-ung. 10 (1882). 

 Weissia condensa Lindb. de Tort. 230 in obs. (1864). 



Autoicous ; in more robust densely crowded tufts, dichotomous, 

 fastigiate, dingy green above, rufescent below. Leaves crowded, 

 appressed and twisting when dry, erecto-patent when moist, lower 

 minute ovate, upper broadly lane, obtusely pointed, mucronate with 

 the stout excurrent nerve which is reddish in old leaves ; margin 

 incurved, subundulate, cells quadrate, diaphanous at base, opake above. 

 Perich. bracts longer lane. -subulate ; caps, on a yellow seta, pachyder- 

 mous, ovate or oblong, yellow-brown with a red mouth, annulus simple, 

 lid conico-subulate, oblique, epiphragm perforated. Male infl. near the 

 female, gemmaceous. 



Hab. — Limestone rocks, banks and walls ; rare. Fr. 3 — 4. 



St. Michael's mount (Greenwood). Lathkilldale, Derby (Wilson, 1831)!! Cliffs, neaf 

 Newhaven, and at Crowhurst (Borrer, 1837) ' Plymouth (Holmes, 1867) ! ! Levens, 

 Westmoreland (Barnes, 1874) ! ! Otfoid and Sandgate, Kent (Holmes). Bembridge, 

 I. of Wight (Davies, 1865) ! Marazion (Curnow). 



Readily known from its allies by the broader rather obtuse leaves, erect 

 and incurved when dry, and fasciculate at the top of each shoot. Mr. 

 Holmes has noticed that it has a curious habit of detaching itself from the 

 substratum it grows upon, and becoming loose. 



8. MOLLIA VIRIDULA (L.) Lindb. 



Autoicous ; laxly casspitose. Leaves crisped, linear-lanceolate, 

 mucronate, involute at margin. Caps, oval, lid rostrate, teeth small, 

 irregular, variable. (T. XXXIV, E.) 



Syn. — Bryum trichoides exile, erectis capitulis in pediculis brevissimis Dill. Cat. Giss. 224 

 (1719), in Ray Synops. 3 ed. 97 (1724). 



Bryum capillaceum breve, pallide et Icete-virens, capsulis ovatis Dill. Hist. muse. 380, t. 

 48, f. 43 (1741) et Herbar. 



Bryum viridulum L. Sp. plant, ii, 1119 (1753), Syst. nat. ii, 702. Huds. F1. angl. 408 

 (1762). Weiss Crypt. Goett. 193 (1770). With. Hot. arr. br. Veg. ii, 676 (1776). 

 LiGHTF. Fl. Seot. ii, 731 (1777). Curt. F1. Lond. fasc. 2, 132, t. 70, t i (1778)' 

 Relhan Fl. cant. 405 (1785). Hull Br. Fl. P. 2, 258 (1799). ^ n i- 



Weissia viridula Hedw. Fund, II, 90 (1781). Leys. Fl. Hal. n. 1037 (1783). Roth Fl. 

 germ, i, 456 (1788). Brid. Muse. rec. II, P. I, 75 (1798), Mant. 38 (1819), Bry. nniv. i', 

 334 (1826). Br. Schimp. Bry. eur. fasc. 33—36, p. 5, t. 2—3 {1846). Rabenh. Deutsch! 

 kr. fl. ii, S. 3, 125 (1848). C. Muell. Synops. i, 651 (1849). Schimp. Synops. 50 (i860), 

 2 ed. 51. Milde Bry. siles. 45 (i86g). Husn. Mouss. nord-ouest 42 (1873), Muse, gall! 

 12, t. 4 (1884). JuRATZ. Laubm. oeslerr.-ung. 11 (1882). Lesq. James Mosses 

 N. Amer. 55 (1884). 



Bryum virens Dicks. PI. crypt. I, 4 (1785). Abbot Fl. bedf. 243 (1798). 



Mnium viridulum Swartz Meth. muse. 365 (1787). 



Weissia crispa Timm Fl. megap. n. 736 (1788). 



Afzelia crispa. Ehrh. Crypt, exs. n. 222 (1790). 



