GRiMMiACEyE.J 55 [Ancectanginm. 



Grimmia saxicola Hook. Tayl. Muse. br. 38, t. 13 (1818). Gray Nat. arr. br. pi. i, 727 



(1821). Hook. Br. fl. ii, 25 (1833). Hook, in Eng. Bot. Suppl. t. 2627 (1830). 

 Campylopus saxicola Brid. Mant. 72 {1819). 

 Dryptodon saxicola Brid. Bry. univ. i, 770 (1827). 

 Ptychomitrium geniculatum Hampe Flora 1837. 



Campylosielimn saxicola Br. Sch. Bry. eur. fasc. 29 — 30, p. 3, t. i (1846). Rabenh. 

 Deutsch. kr. fl. ii, S. 3, 150 (1848). C. Muell. Synops. i, 417 (1849). WiLS. Bry, 

 br. 52, t. 13 (1855). ScHiMP. Synops. 688 (i860), 2 ed. 133. Berk. Handb. br. m. 290. 

 t. 24 (1863). De Not. Epil. bri. ital. 666 (i86g). Boul.\y. Muse. Fr. 541 (1884) 

 MiLDE Bry. siles. 135 (i86g). Hobk. Syn. br. m. 36 (1873). Juratz. Laubm. oester. 

 ung. 71 (1882). Lesq. James Moss. N. Amer. 99 (1884). Husn. Muse. gall. 58, 

 t. 17 (1884). 



Autoicous ; very short, nearly simple, densely gregarious, radiculose 

 at base. Leaves small and lane, at base, upper densely crowded, from 

 a lanceolate base, longly subulate-lineal, smooth, concave, lightly 

 recurved when moist, subcrispate when dry, nerve thick, vanishing below 

 apex, cells above small, roundish-quadrate, opake, at base laxly hexagono- 

 rectang., hyaline. Perich. bracts shorter, narrower, more concave at 

 base. Caps, decurved, on a longish slender pale cygneous seta, cylin- 

 draceous-oblong, leptodermous, pale with a red mouth ; cal. 5-lobed, 

 subulate ; lid with a long straight or oblique subula ; annulus of 2 — 3 

 rows of cells ; teeth lane. -subulate, bicrurous, the legs alternately longer 

 and shorter, punctulate, reddish at base, pale at apex. Male infl. 

 gemmiform on a short radical branch. 



Hab. — Sandstone and granite rocks ; not common. Fr. 11 — 2. 



Blackdown, Sussex (Borrer 1822). Near Crich and Rowsley, Derby (Wilson 1833) ! ! 

 Ramsden clough, Todmorden (Nowell 1838) ! ! Near York and Hackness (Spruce). 

 Henley hill, Tillington, Whip's eross and Balcombe, Sussex (Mitten). Lough Bray, 

 Wicklow (Taylor). Kelly's Glen (Moore). Arneliiif wood, Eskdale (Slater 1884) ! ! 

 Highcliff and Easington, Cleveland (Barnes 1887) ! ! 



A delicate little plant, perhaps often overlooked, and corresponding in 

 distribution somewhat with Brachydontiimi. 



Subf. 2. ORTHOTRICHEjE. Pulvinate, dichotomous and fastigiate, 

 or decumbent and creeping, with erect fertile branches. Leaves lanceolate 

 or ligulate, upper cells rounded, obscure, with verruciform papillae, lower 

 elongate pellucid. Vaginula surmounted by a membranous tube. Caps, erect, 

 immersed or exserted, often 8-costate, peristome double, outer of 16 pale 

 fleshy teeth, geminate, or 8 and bigeminate, endostome of 8 or 16 cilia 

 alternate with the teeth, rarely gymnostomous. Cal. mitrasform, usually 

 pilose, rarely cucullate. 



ANCECTANGIUM Hedw. 



Sp. muse. 40 (1801), 



Growing in soft swelling yellow-green cushions, interwoven with 

 radicles. Leaves lanceolate, finely papillose. Calyptra cucullate, 



