DiCRANACE^.J 153 [Dicranum. 



much narrower nerve and large irregular apical cells are quite sufficient to 

 separate it, and in habit it approaches far nearer to D. Bonjeani than to 

 fuscescens, while the areolation at the lower part resembles that of D. scoparium, 

 with pores in the cell walls. 



Sect. 3. APORODICTYON Lindb. 



12. DICRANUM FUSCESCENS Turner. 



Dioicous ; leaves patent or secund, narrow, longly subulate, flexuose, 

 closely serrulate at margin and back, upper cells small, quadrate, nerve 

 I — s width of base, forming all upper part of subula ; capsule rufous, 

 less oblique, lightly striate. (T. XXII, D.) 



Syn. — Dicranum fuscescens Turn. Muse. hib. 60, t. 5, f. i (1804). Smith F1. brit. Hi, 1204 

 (1804), Eng. Bot. t. 1597. WiLs. Bry. br. 77, t. 18, ^ (1855). Schimp. Synops. 87 

 (i860), 2 ed. 8g (1876). Berk. Handb. br. m. 278 (1863). Milde Bry. sil. 6g (1869). 

 De Not. Epil. 621 (1869). Hobk. Syn. br. m. 47 (1873). Linde. Muse, scand. 23 

 (1879). JURATZ. Laubtn. Oesterr.-ung. 45 (1882). 



Dicranum rupestre Brid. Sp. muse. I, 177 (1806) ; Mant. 58 (1819) ; Bry. univ. i,4ig (1826). 

 Dicr. scoparium /3. fuscescens Web. Mohr Bot. Tasch. 174 (1807). Hook. Tayl. Muse. 



brit. 58, t. 18, /8. (1818). Gray Nat. arr. Br. pi. i, 738 (1821). 

 Dicr. longirostre Schwaeg. Suppl. I, P. I, 170, t. 44 (1811). 

 Dicr. scoparium c. rupestre Roehl. Deutsch. FI. iii, 66 (1813). 



Dicr. congestum p.p. Hueben. Muse. germ. 244 (1833). Hartm. Skand. fl. Be. Sch. 

 Bry. eur. fase. 37-40, p. 36, t. 29 (1847). Raben. Deutsch. kr. fl. ii, S. 3, 146 (1848). 

 C. MuELL. Synops. i, 360 (1849). 



Dicr. Kinlayanum Schimp. MSS. 



Dioicous ; stem erect, 1—4 in. high, tomentose, fastigiate- branched. 

 Leaves crowded, subsecund falcate subulate carinate, slightly crisped 

 when dry, subula very long, deeply channelled ; nerve thick, prominent 

 at back | — i width of base, forming all the plano-convex point of 

 subula, strongly and densely serrulate at back, margins densely and 

 minutely serrulate ; cells at base rectangular elongate, the angular 

 lax quadrate brown, upper small, regularly quadrate, spinuloso- 

 papillose at back. Per. bracts sheathing, abruptly narrowed into a 

 longer subula formed of the nerve ; seta stouter, fulvous, caps, oblong, 

 rufous-brown, longer, thicker, less oblique, with a narrower mouth, 

 pachydermous, lightly sulcate, annulus subtriple, lid long as capsule, 

 conic with an oblique pale beak ; peristome intense purple, spores 

 brownish. 



Male plants slender, intermixed with female ; infl. terminal, bracts 



concave, lanceolate, subulate. 



Hab. Wet rocks in mountain districts, not uncommon ; frequent on all the 



Scotch mountains. Fr. 8. 



Var. p. falcifolium Braithw, 



Densely tufted, deep green, fastigiate ; leaves all falcato-secund, flexuoso- 

 cirrhate toward apex, shorter and less attenuated to point. 



