DicranacEjE.] io8 [Dicranella- 



denticulated ; cells at base about 14 rows, elongated rectangular, short 

 and elliptic toward margin at the shoulder ; perich. bracts with longer 

 sheaths. Capsule on a slender pale yellow seta, erect, suberect or 

 inclining, obovate or oblong, a little curved, glossy rufous-brown, 

 obsoletely striate ; when dry and empty, elongated, longitudinally plicate, 

 with the mouth incurved ; annulus very narrow, adherent ; lid hemis- 

 pherico-conoid at base, longly rostrate ; teeth of peristome red, cleft to 

 middle into two or sometimes 3 unequal legs. 



Male plant shorter, in distinct tufts or mixed with the female, 

 bracts ovate and concave at base, subulate. 



Hab. — Damp banks, hollow roads and sandstone rocks ; very common. 

 Fr. II— 3. 



Var. /8. stricta Schimp. 



Leaves straight, erecto-patent ; seta elongated, flexuose. 



Syn. — Dicranum heterom. Var yS. strictum Br. Schimp. Bry. eur. I. c. 

 Angstroemia heterom. p. stricta C. Muell. Synops. 

 Didymodon chlorophyllosus Web. Mohr. 



Hab.— Gortagoree, Killarney (Taylor 1840)! Inverness, Carse of Ardersier, Inverness (CyoaW 

 1847) ! 



Var. y. interrupta {Hedw.) 



Stem taller, more branched ; leaves uniform, or interrupted, patent or 

 falcato-secund. 



Syn. — Dicranum interruptum Brid. Muse. rec. ii, P. I, 159 (1798), Sp. muse. I, 179; Mant. 65, 

 Br. univ. i, 438. Hedw. Sp. muse. 129, t. ig f. 8-12. Sm. F1. Brit, iii, 1205. ' Eng. Bot! 



t. 2508. SCHWAEGR. op. v.. I72. 



Dicranum caducum Brid. Bry. univ. i, 425. 



Dicranum heterom. ^. interruptum Hueben. 1. e. Br. Sch. Bry. eur. WiLS. Bry. Brit. 

 Schimp. Synops., &c. 



Hab.— Scotland [Winch 1803). Ardingley, Sussex (Davies) ! Marsden moor (West 1880) ! I 



Var. S. sericea Schimp. 



In small, bright, green, silky tufts. Leaves soft, longer and narrower, 

 spreading or subsecund. 



Syn.— Dicranum trichodes Wils. MSS. 



Dicranodontium sericeum Schimp. Bry. eur. Suppl. fasc. 1-2. Husn. mouss. nord-ouest 56. 

 Dicranella heteromalla Var. S sericea Schimp. Synops. 2 ed. 78. 



Hab. — Sandstone rocks, almost always barren. 



Rattand Clough and Green's Clough, Todmorden (Nowell 1858) ! Alderley edge (Hunt 

 1863) ! I Astley chapel and Rochdale (Dr. Wood) ! Entwistle, Bolton (Whitehead 

 1865) I ! Colintraive, Argyle (Hunt 1866) 1 



Wilson's specimens named Dicr. trichodes axe closely intermixed with 

 Blindia acuta, and the leaves of the latter had no doubt been submitted to the 

 microscope, as they have enlarged angular cells as in Dicranum. 



