DICRANACE^E.] in [Anisothecium. 



Dicranum rigidulum SWARTZ op. c. 38 et 89, t. 3, f. 7. HEDW. Sp. muse. 134, t. 32, f. 8-12. 



SM. Fl. Br. 1211 : Eng. Bot. t. 1439. TURN. Muse. hib. 62. BRID. Sp. muse. I, 186 ; 



Mant. 61 ; Bry. univ. i, 433. WEB. MOHR Bot. Tasch. 188. SCHWAEGR. Suppl. I, P. I, 



174. SCHULTZ Suppl. Fl. Starg. 72. 

 Dicranum varium a. viride HOOK. TAYL. Muse. Brit. 

 Angstrocmia varia C. MUELL. Synops. i, 435 (1849). 



Dicranella varia SCHIMP. Coroll. 13 (1855), Synops. 72 (1860), et 2 ed. 74 (1876). BERK. 

 Handb.' Br. m. 282 (1863). MILDE Bry. Siles. 59 (1869). DE NOT. Epil. Bri. ital. 639 

 (1869). 



Anisothecium varium MITT. op. c. 40. 



Anisothecium rubnim LINDB. Utk. till en nat. grupp. Eur. bladm. med topps. frukt 33 (1878). 



Dioicous ; short, yellowish green, densely gregarious, or csespitose, 

 dividing at base. Leaves erecto-patent, rarely subsecund, oblong at 

 base, not sheathing, gradually lanceolate-subulate, carinate, entire or 

 obsoletely denticulate at apex, opake, nerve semiterete, slightly excur- 

 rent ; cells thin, elongated ; perich. bracts semivaginant. Seta deep 

 red. Capsule cernuous, ovate, subincurved, reddish-brown, exannulate, 

 contracted below the mouth after the lid falls ; lid large, short-beaked ; 

 peristome large, deep purple, connivent. Male plant smaller, bracts 

 ovate-subulate. 



HAB. Damp clay fields, banks of ditches, sometimes on rocks ; common. 

 Fr. 10 2. 



Var. ft. tenuifolium (Bruch). 



Leaves more distant, thinner, narrower, obsoletely nerved, the points 

 less elongated, the cells laxer. Capsule nearly symmetric, paler and thinner. 



SYK. SCHIMP. Bry. eur. et Synops. WILS. Br. Brit. 

 Dicranum subulatum SM. Eng. Bot. t. 1273. 

 Dicranum tenuifolium BRUCH. in F. MUELL. Muse. Sardois. 

 Dicranella fallax WILS. MSS. 



HAB. Anglesea and Bangor ferry (Wilson) ! ! Cotterall Clough (Wilson). By the Esk, 

 Yorks. (Spruce 1842) ! Parkgate, Cheshire (Miss Jelly) \ ! Henfield (Borrer) ! 

 Milnthorpe (Barnes) ! Banchory (Sim). 



Usually taller than the ordinary form with a longer seta and more 

 drooping capsule, but not affording any permanent characters for specific 

 distinction ; it is most frequent in Southern Europe. 



Var. y. tenellum ScUmp. 



Stem slender, nearly simple, leaves falcato-secund, narrower, more 

 laxly areolate, margin remotely toothed. 

 SYN. SCHIMP. Bry. eur. et Synops. WILS. Bry. Brit. 

 HAB. In drier grassy places, with the normal form. 



Var. 8. callistomum (Dicks.} 



Stem branched ; leaves patent. Capsule on a short seta, erect, minute, 

 truncate-obovate ; lid broadly conical, almost as large as capsule. 



SYN. Bryum callistomum DICKS. Cr. Brit. fasc. 3, p. 5, t. 7, f. 10 (1795). HULL Br. Fl. P. 2, 258. 

 WITH. 3 ed. iii, 818. BRID. Muse. rec. ii, P. Ill, 57. 



