GRIMMIACE*.] 28 [Grimmia. 



21. GRIMMIA OVATA Web. Mohr. 



Dioicous; deep green, taller, laxly tufted. Leaves lax, erecto- 

 patulous, from an ovate base, lanceolate, with a long hair, cells minute, 

 opake. Caps, large, turgid, ovate, calyptra cucullate, lid obliquely 

 rostrate, teeth broad, trifid. (T. L, A.) 



Svx.Dicranum ovatum SWARTZ Disp. muse. fr. suec. 35 p. p. (i79 8 )- BRID. Sp. muse. p. p. 

 Dicranum ovale HEDW. Sp. muse. 140, p. p. (1801). WAHLENB. Fl. upsal. 752 (1820). 

 Grimmia ovata WEB. MOHR Naturhist. reise durch Schweden 132, t. 2, f. 4 (1804). 

 Trichostomum ovatum WEB. MOHR Bot. Tasch. HI p. p. (1807). SWARTZ Summ. veg. 



sc. 39 p. p. (1814). 



Grimmia elliptica FUNCK Moost. 16, t. 11 (1821). 

 Dryptodon ovatus BRID. Bry. univ. i, 202 p. p. (1826). 

 Grimmia commutata HUEBEN. Muse. germ. 185 (1833). DE NOT. Syll. 246 (1838), Epil. 



bri. ital. 699 (1869). BR. SCH. Bry. eur. fasc. 2528, p. 25, t. 19 (1845). AONGST. in 



FRIES Summ. veg. sc. 93 (1846). HARTM. Skand. fl. 7 ed. 373 (1858). SCHIMP. Synops. 



219 (1860), 2 ed. 263. ZETTERST. Rev. Grimm, sc. 88 (1861). MILDE Bry. siles. 154 



(1869). HOBK. Syn. br. m. 84 (1873). HUSN. Mouss. nord-ouest 94 (1873), Muse. 



gall. 130, t. 37 (1887). JURATZ. Laubm. oester.-ung. 170 (1882). BOULAY Muse. Fr. 367 



(1884). LESQ. JAMES Moss. N. Amer. 145 (1884). 



Dryptodon ellipticus HARTM. Skand. fl. 3 ed. 271 (1838), forma epilifera. 

 Guembelia elliptica HAMPE Bot. Zeit. 1846, p. 124. RABENH. Deutsch. kr. fl. ii, Sect. 3, 



168 (1848). 

 Guembelia ovata C. MUELL. Synops. i, 774 (1849). 



Dioicous ; in blackish-green incoherent tufts. Stem slender, erect, 

 when old decumbent, flexuose, naked below. Leaves when moist 

 strongly recurved, then erecto-patent, when dry laxly imbricated, lower 

 very small, lanceolate muticous, upper much longer, patulous, bending 

 upward from the middle, from a broadly ovate sheathing base, lanceolate, 

 acuminate, concave, gradually running into a short finely denticulate 

 hair, margin flat, erect or a little inflexed, not incrassate ; cells above 

 bistratose, small roundish, at base narrowly rectangular and chloro- 

 phyllose, with 10 15 rows at margin quadrate and partly hyaline ; 

 nerve flattened. Perich. bracts broader, palish, the 3 inner erect, 

 longly sheathing, with long hairs. Caps, exserted on a pale red seta, 

 oval or oval-globose, contracted at mouth, erect, smooth, pachydermous, 

 brown ; calyptra cucullate, reaching middle of caps ; annulus of 4 rows 

 of large cells, lid small obliquely-beaked, half length of caps., teeth 

 2 3 fid to the middle, and cribrose, rarely sub-entire and lacunose 

 only at apex, dull red, patulous when dry. Male plant smaller, bracts 

 broadly ovate, shortly acuminate. 

 HAB. Quartzose and porphyry rocks. Fr. 4. 



Moncrieff hill, Perth (Dr. Stirton 1864) ! Stenton rocks, Dunkeld c. fr. (Dr. B. White 

 1865) ! Clova c. fr. (Rev. y. Fergusson 1868) ! ! Craig Chailleach c. fr. (Whitehead 

 tndAikton 1882) ! ! Tiled roof at Wickham Bishops, Essex (H. N. Dixon 1886) ! ! 

 Kirkcudbright (tic Andrew). Rydal, Westmoreland (Binstcad 1887) ! 



