Mypnace^.] 150 [Ctetiiditim. 



Hab. — On the ground in limestone districts, common. Fr. 11 — 12. 



Var. j8. croceum. Tayl. Hypnum croceiim Tayl. MSS. 



Stems tall, erect, densely tufted, golden-yellow, ^v-ith few irregular branches ; 

 leaves large, circinate, striated when dry. 



Hab. — On wet rocks, Knockavohila, Kenmare (Taylor) ! ! Killaraey (Bitistead i8g6) ! ! 

 Inverness-shire (Greville). Hill Bell and Grisedale (Stabler). Helvellyn (Waterfall 1887). 

 Pigeon rock mountain, Co. Down, Ireland (Lett &• Waddell 1885) ! ! 



Var. y. condensatum Schimp. Synops. 632. 



Growing in depressed expanded tufts, orange or straw colour, stems short 

 and stout, closely pinnate, the branches hooked at point, leaves falcate, plicate. 



Hab. — On humus among rocks. Marple, Cheshire {T. Rogers) ! ! 



Var. 8. robustum Boulay. 



Nearly erect, 2 — ^4 in. high, in lax yellowish-green tufts, fuscous at base, 

 orange at points. Stems irregularly pinnate with short branches from the 

 upper part. Lea\ es large, flexuose in the upper half, strongly falcate, cells 

 laxer, margin with few short distant teeth. 



Hab.— Mardale, Westmoreland (Binstead 1893) ! ! Ben Narnain, Argyllshire (Dixon i8g8) ! 1 



Var. e. fastigiatum Bosw. 



Slender, branches erect, less closely pinnate, somewhat fastigiate ; leaves 

 less crowded, small, less strongly falcate. 



Syn. — HoBK. Synops. 2 ed. 226. DixoN Handb. 479. 



Hab. — By the Dove Holes, Dovedale (Holmes) I erroneously referred to S. CanarUnsis. 



This fine moss varies very much, and the figure is drawn from the slenderest 

 form, from which there is every stage of gradation to robust. 



2. CTENIDIUM PROCEREIMUM Molendo. 



Dioicous; resembling C. molluscum but much more robust, brownish- 

 green, glossy, the branches dense, regularly pectinato-pinnate in arrange- 

 ment. Stem-leaves crowded, falcato-secund, from a cordate base, lanceo- 

 late-subulate, auricled, entire, nerves obsolete or forked, cells at angles 

 quadrate. (T. CXII, D.) 



Syn. — Hypnum procerrimum Molen. in Flora 1866 p. 458. De Not. Epilogo 174 (1869). 

 Pfeffer Bryog. Studien 92 (i86g). Schimp. Synops. 2 ed. 764 (1876). Husn. Muse. 

 Gall. 403, t. 116 (1894). Dk. James. Stud. Handb. 477 (1896). Limpr. in Rabenh. 

 D. kr. fl. Laubm. iii, 451 (1899). 



Hypnum petrtBum BouL. Muse, de I'Est 264 {1872). 



Hypnum (Ctenidium) procerrimum MoL. 1. c 



