ToRTULACE^.J 242 [Mollia. 



nerve stout, excurrent in a thick point. Caps, erect, oval, lid obliquely 

 subulate, teeth i5 lineal-lane, papillose, oblique. (T. XXXV, C.) 



Syn. — Bryum trichodes brevifolium, angustis caulicuUs, capitulis erectis parvis et minus aduncls 



Dill, in Ray Syn. stirp. br. 3 ed. g8 (1724). 

 Musctts trichodes aquaticus minimus, capitulis parvis erectis Richardson. Ray Syn. ibid. 

 Bryum pilosum verticillatum Dill. Hist. muse. 374, t. 47, f. 35 (1741), et Herbar. 

 Bryum angustissimis foliis crebrioribus capitulis erectis brevibus, pediculis e surculis novis 



et longis enascentibus Dill, in Ray Syn. 3 ed. gg. 

 Muscus palustris oestivus, capitulis parvis erectis, foliis dense stipatus Richardson. Ray 



Syn. ibid. 

 Bryum palustre CBstivum, confervm facie Dill. Hist. 375, t. 47, f. 36; et Herbar. 

 Bryum verticillatum L. Sp. plant, ii, 1120 (1753). Syst. nat. ii, 702. Huds. F1. angl. 



411, excl. var. /3. (1762). With. Bot. arr. br. veg. ii, 677 (1776). Villars PI. 



dauph. iii, 877 (1786). Roth Tent. fl. germ, i, 473 (1788). Hull Br. fl. P. II, 259 



(i7gg). Brid. Muse. rec. II, P. Ill, 40 (1803). 



Barbula atlantica Brid. muse. rec. II, P. I, 202, t. 6, f. 13 (1798), Mant. 93 (1819), Bry. 

 univ. i, 55g. 



Grimmia verticillata Sm. Fl. brit. iii, iigi (1804), Eng. Bot. t. 1258. Turn. muse. bib. 

 31 (1804). 



Grimmia fragilis Web. Mohr Archiv. I, P. I, 129, t. 4, f. 4 (1S04). Schkuhr Deutsch. 

 kr. gew. II, P. II, 55, t. 24 (i8io). 



Weissia verticillata Brid. Sp. muse. I, 121 (1806). Schwaeg. Suppl. I, P. I, 71, t. 20 

 (1811). RoEHL. Ann. Wett. ges. iii, no. Hook. Tayl. Muse. br. 48, t. 15 (1818). 

 tuNCK Moost. 14, t. 13 (1821). Gray Nat. arr. br. pi. i, 732 (1821). Nees Hornsch. 

 Bry. germ.ii, P. II, in, t. 35, f. 2g (1331). Hueben. Muse. germ. 147 (1833). Hook. 

 Br. fl. ii, 23 (1833). Mack. Fl. hib. P. II, 15 (1836). De Not. Syllab. 229 (1838). 

 Epil. bri. ital. 598 (1869). C. Muell. Synops. i, 656 (1849). Wils. Bry. brit. 49, 

 t. 15 (1855). Berk. Handb. br. m. 293 (1863). HusN. Mouss. nord-ouest 43 (1873). 

 HoBK. Syn. br. m. 34 (1873). 



Tortula atlantica Brid. Sp. muse. I, 255 (1806). 



Weissia gypsacea Schleich. Cat. pi. helv. 31 (1807). 



Coscinodon verticillatiis Brid. Bry. univ. i, 374 (1826). 



C. eloKgatus Brid. op. c. 376. 



Eucladium verticillatum Br. Schimp. Bry. eur. fasc. 33 — 36, Mon. p. 3, t. i (1846). 

 Rabenh. Deutsch. kr. fl. ii, S. 3, 130 (1848). Schimp. Synops. 134 (i860), 2 ed. 45. 

 Lindb. de Tort. 231 {1864). Milde Bry. siles. 109 (1869). Juratz. Laubm. oesterr.- 

 ung. 16 (1882). Husnot Muse. gall, n, t. 3 (1884). 



Hymenostylium verticillatum Mitt. Journ. Linn. Soc. i, Suppl. 32 (1859). 



Mollia verticillata Lindb. Muse, seand. 21 (1879). 



Dioicous; densely tufted, repeatedly dichotomous, fastigiate, I — 2 in. 

 high, pale glaucous green above, dirty white or fuscescent below, usually 

 encrusted with calcareous deposit. Leaves lax rigid fragile, nearly 

 smooth, erecto-patent, lanceolate-subulate, the base dilated, with the 

 margin topthed, the cells lax pellucid, elongated, above irregularly 

 quadrate; nerve stout, occupying nearly all apex. Caps, on a shortish 

 purple seta, chesnut brown, erect, ovate or oval, pachydermous, annulus 

 very narrow, lid obliquely subulate, teeth 16, deep orange, flat, slightly 

 papillose, oblique, lineal-lane, remotely articulate, entire or 2 — 3 fid. 



Male plants more slender, infl. terminal, outer bracts ovali-lanceo- 

 late, inner acuminate, the nerve vanishing. 



Hab. — Dripping calcareous rocks or occasionally on sandstone ; not uncom- 

 mon but unfrequent in fruit. Fr. 6 —7. 



