GRIMMIACE^;.] 30 [Grimmia. 



moist slightly recurved, then erecto-patent, when dry incumbent, lower 

 small, lanceolate, upper much longer, from an oblong narrow concave 

 base, with the margin reflexed, lanceolate, acutely carinate, continued 

 into a longish nearly smooth hair, upper margin erect, lightly incrassate, 

 bistratose ; nerve narrow, semiterete canaliculate, very thin towards 

 base ; cells above roundish-quadrate opake and sinuose, at base thin 

 elongate, rectangular and hyaline at margin. Perich. bracts larger, 

 broader, subvaginant. Caps, exserted on a yellow seta, ovate or longish 

 oval, pachydermous, light-brown ; calyptra lobate mitraeform, covering 

 ^ caps., sometimes subcucullate ; lid rufo-fuscous, with a short straight 

 beak, sometimes oblique, rarely obtuse, annulus broad of 3 4 rows ; 

 teeth cleft to middle in two unequal legs or perforated, narrow, deep 

 red, papillose, patulous when dry. Male infl. terminal and lateral, 

 bracts short, broadly ovate, pointed. 



HAB. Alpine rocks; not common. Fr. 10 3. 



Breadalbane and Clova mtns. Snowdon. Swithland slate pits, Charnwood forest 

 (Bloxam) \ Kyloe crags, Northumberland (Boyd and Jerdon). Howth and Killiney 

 (D. Orr.) Loch Coruisk, Skye (Dixon 1883) ! ! 



Var. /3. cylindrica (Hsch.) Hueben. 



Stem erect, with fasciculate branches. Leaves broadly lanceolate, more 

 acuminate, with weaker hair points. Caps, longer, subcylindric. 



SYN. Grimmia cylindrica NEES HSCH. Bry. germ, ii, P. I, 161, t. 23, f. 18. 

 Grimmia ovata e. cylindrica HUEBEN. Muse. germ. 183. 



HAB. Near Cherrytrees, Northumberland 



Perhaps G. ovalis most resembles G. Donii, but is much more robust, 

 with broader more rigid leaves, the seta longer, with larger and darker 

 capsules. Its difference from G. ovata is indicated under that species. 



2 3 . GRIMMIA ELONGATA Kaulf. 



Dioicous ; laxly tufted, brown or black. Leaves patent, elongate 

 lanceolate, lower muticous, upper with a hyaline point. Caps, on a 

 short erect seta, small, ovate ; lid conic, obtuse ; calyptra with several 

 lobes. (T. XLVII, C.) 



SYN.-G,/mm/a elongata KAULF. in STURM Deutsch. fl. II, 15 ( l8 i 5 ). FUNCK Moost. 16, t. n 

 (1821). BRID. Bry. un. i, 179 (1826). NEES HSCH. Bry. germ, ii, P. I, 166, t. 23, 

 f. 20 (1827). HUEBEN muse. germ. 179 (1833). BR. SCH Bry. eur. fasc. 25-28, 

 n K' I 2 L 4 5 )' AONGSTR - in FRIES Summ. veg. scand 93 (1846) RABENH 

 fl TS I , t s R\ Q l66 (l8 c 8)- C- MUELL - Synops. i, 792 (1849). HARTM. Skand. 

 7 H 35 , 3 1* ? )- n Sc " IMP - Synops- i, 223 (1860), 2 ed 267. ZETT. Rev. Grimm, 

 scand. 97 (1861). DE NOT. Epil. br. ital. 696 (1869). BRAITHW. in Journ. Bot. 1872, 



CHALUB ^Snf^tr' 8t 8 f J^V JURATZ " Laubm - oester.-ung. 174 (1882). 



