DiCRANACEiE.] 152 [Dicraiium. 



Hab. — Wet sandy heaths and bogs, not common. Fr. 7. 



Angus-shire {Don). Barmby moor, Yorks. (Teesdale, Spruce c. fr.). Stockton forest and 

 Langwith moor, York (Spruce 1842) ! Kinnordy, Scotland (LyelT). Waterdown and 

 Broadwater forests, Tunbridge Wells (Mitten). Foot of Mt. Shade, Stra'an, Banchory 

 c. fr. (Sim 1877) ! ! Ripon, Yorks. Trossachs (Stirton 1865). 



Readily known from the last by its broader leaves with shorter more 

 acute points, papillose at back. 



II. DICRANUM CONGESTTJM Bfidel. 



Dioicous ; tomentose ; upper leaves crowded, secund, linear- 

 lanceolate, somewhat crisped, remotely serrate above, upper cells large, 

 angular, nerve \ width of base, vanishing at apex; capsule pale, 

 oblique, smooth. (T. XXII, C.) 



Syn. — Dicranum congestum Brid. Sp. muse. I, 176 (1806) ; Mant. 57 (1819) ; Bry. univ. i, 418 

 (1826). ScHWAEG. Suppl. I, p. I, 168, t. 42 (1811). RoEHL. Deutsch. fl. iii, 67 (1813). 

 FuNCK Moost. 28, t. 19 (1821). LiNDB. musc. spand. 24 (1879). 



Dicranum fiiscescens p.p. plur. auct. 



Dioicous ; stem erect i — 2 in. high, densely clothed with ferruginous 

 tomentum, fastigiate-branched, yellowish green. Leaves more or less 

 secund, crispate when dry, broadly lanceolate with a short point, 

 canaliculate at base, carinate above ; nerve narrow and thin, i width 

 of base, lost at apex, smooth or remotely serrate at back and less 

 prominent, margins remotely and coarsely serrate above ; cells at base 

 elongated, very narrow, the angular brown, incrassate, quadrate, upper 

 2 — 3 times larger than in D.fttscescens, irregular in form, at back rarely 

 faintly spinulose. Per. bracts sheathing, the nerve excurrent as a short 

 subula, seta tall, straw-colored, caps, ovate-oblong, cernuous, smooth, 

 pale brown, more leptodermous, annulus double, lid pale, conic with a 

 long oblique beak, teeth pale purple, spores greenish. 



Hab. — Mountain rocks, very rare. Fr. 8. 



Ben Lawers (Boswell 1873) ' ' ^ few stems intermixed with D. fuscescens. 



Var. j8. flexicaule (Brid.) Br. Sch. 



Stem much elongated, flexuose, reclining at base, scarcely tomentose ; 

 leaves elongated, laxer, falcato-secund, almost entire, yellowish green ; caps, 

 more curved, cernuous, 



Syn. — Dicr. flexicaule Brid. Bry. univ. i, 42. 



Dicr. congestum var. flexicaule Br. Sch. Bry. Eur. fasc. 37 — 40, p. 36, t. 29 y. 

 Dicr. fuscescens var. flexicaule WiLS. Bry. br. 77. Schimp. Syn. 88, et 2 ed. go. De Not. 

 Epil. 622. MiLDE Bry. sil. 6g. Juratz. Laubm. Oesterr.-ung. 46. 



Hab. — Mountain rocks, not common. 



Near the High Force, Teesdale (Spruce 1843) ! Ben Lawers (Hunt ii6<\ ! ! Loch-na- 

 Gar (Black). 



This moss has been almost universally combined with D. fuscescens, until 

 Lindberg pointed out the distinctive characters ; the broader leaves with 



