GRIMMIACE.E.] 5 



[Coscinodon . 



hypnoidcs, capitulis plurhnis erectls, non lanuglnosum DILL, in RAY Synops. 



3 ed. 478. 

 Bryum hypnouies, hirsutle canescens vulgare p.p. DILL. Hist. muse. 369, t. 47, f. 27 D-E, 



et Herb. 

 Bryum hypnoides, Erica fade, c^sulls barbatis, alpinum DILL. op. c. 371, t. 47, f. 31, 



et Herb. 

 Bryum hypnoides Var. y. L. Sp. pi. ii, 1120. 



Var. . L. Fl. suec. 2 ed. 392. 



Var. . barbatum RETZ. Fl. scand. prod. 2 ed. ii, 214. 



Bryum hypnoidcs POLLICH PI. palat. iii, 106. 



Hypnum canescens Var. y. ericoides WEB. Spic. fl. goett. 82. 



Bryum ericoides SCHRAD. in GMEL. Syst. nat. 13 ed. ii, P. 2, 1332 (1791). ' DICKS. PI. 



crypt. Fasc. IV, 14. 



Trichostomum elongatum EHRH. PI. exsic. n. 233. 

 Trichostomum canescens Var. ericoides HEDW. Stirp. iii, 7, in nota. 

 Trichostomum ericoides SCHRAD. Spic. fl. germ. 62. ROTH Tent. fl. germ, iii, P. I, 191. 



SM Fl brit. 1241 ; Eng. Bot. t. 1991. TURN. Muse. hib. 38. P. BEAUV. Prodr. 90. 



WEB. MOHR Bot. Tasch. 117. SCHKUHR Deutsch. kr. gew. P. II, 73, t. 32. SCHWAEG. 



I, P. I, 147, t. 38. VOIT Muse. herb. 22. WAHLENB. Fl. lapp. 329. ROEHL. Deutsch. 



fl. iii, 363. FUNCK Moost. 26, t. 17. 

 Brytim elongatum HOFFM. Deutsch. fl. ii, 41. 

 Rhacomltnum ericoides BRID. Mant. 78 ; Bry. univ. i, 210. DE NOT. Syllab. 255. LINDB. 



in Oefv. V. ak. foerh. xxiii, 553, et Act. soc. sc. fenn. X, 546. 

 Rhacomltrlnm canescens forma localis, HUEB. Muse. germ. 206. 

 Rhacomltnum canescens Var. y. ericoides BR. SCH. Bry. eur. fasc. 2528, p. 12. WILS. 



Bry. br. 170, t. 19. SCHIMP. Synops. MILDE Bry. siles. 160. HUSNOT. CHALUBINSKI. 



JURATZKA, &C. 



Grimmia canescens Var. ft. ericoides C. MUELL. Synops. i, 807. 

 Grimmia ericoides LINDB. Muse, scand. 



HAB. Dry sandy places. 



Both forms are equally frequent in subalpine districts and delight in the 

 gravelly detritus about the margins of moorland streams. Schimper's Var. 

 prolixa is an intermediate form, which with several others often have the hair- 

 point almost obsolete, but the papillose leaves are sufficient to indicate the 

 species. Lindberg regards ericoides as the type of the species, and canescens 

 as a varietv. 



COSCINODON SPRENG. 



Einleit. in das Stud. kr. gew. 281 (1804). 



Small mosses, growing in dense cushioned tufts. Leaves hair- 

 pointed, resembling those of Grimmia. Calyptra large, campanulate- 

 mitrseform, multifid at base, plicate, covering greater part of capsule. 

 Caps, half immersed ; peristome of 16 lanceolate teeth, arising below 

 orifice, indistinctly articulate, minutely granulose, perforated like a 



