HYPNACE^.] 48 [Amblystegium. 



Hypnum fluitans Var. exannulatum SANIO Beschr. Harpid. 8 (1885). RENAULD in HUSN. 

 Muse. gall. 384 (1894). Dix. JAMES. Stud. Handb. 462 (1896). 



Dioicous ; yellowish-green or purplish, the stems slender, elongated, 

 erect or procumbent, pinnate, the branches circinato-incurved at apex. 

 Leaves crowded, glossy, uncinate, secund, elongate-lanceolate, slenderly 

 acuminate, concave, not sulcate or slightly so when dry, margin at base 

 minutely serrate, remotely denticulate above, nerve subterete, reaching 

 nearly to apex ; cells very narrow vermicular, those of the auriculate 

 angles rectangular, inflato-dilated, hyaline, in mid-base oblongo-rhombic, 

 lax, pachydermous, pale yellow. Perichastium elongate, bracts with a 

 slender nerve, not sulcate. Capsule erecto-incurved, cylindraceous- 

 oblong, lid convex-conic, annulus none. 



HAB. Pools and boggy fields in subalpine places. Fr. 5. 

 Var. /3. purpurascens Schimp. 



In deep tufts, closely pinnate, soft, purple or variegated with green. 

 Leaves shorter with shorter cells, nerve stout. 



SYN. Hypnum Hookeri TURNER MS. 



Hyp. exannulatum /?. purpurascens SCHIMP. Synops. 2 ed. 734. Dix. JAMES. Stud. 

 Handb. 462. 



Amblystegium fluitans y. alpicolum DE NOT. Epilogo 143. 

 HAB. Bogs in the mountains. 



Ben Nevis (Borrer 1810) ! Ballycheulish, Ireland (Turner). Glen Lyon (Dr. B. White 

 1865). Fish Pool, Cheshire (Holt 1883) ! ! 



Var. y. Rotse De Not. 



In fine purple immersed tufts. Stem densely and interruptedly 

 ramulose, elongated. Leaves long, straight, narrowly elongate-lanceolate, 

 piliform-attenuated, secund at apex of branches : nerve reaching point or 

 excurrent ; cells very long and narrow. 



SYN. Hypnum exannulatum dichelymoides PFEFFER Muse. Rhaet. exs.etin Bryol. Reisegebild-35. 

 Amblystegium Rota DE NOT. Epilogo 144. 

 Hypnum stenophyllum WILS. MSS. 

 Hyp. exannulatum y Rotes SCHIMP. Synops. 2 ed. 734. 

 Hyp.fluitans Var. stenophyllum SCHIMP. Synops. 610. BOULAY Muse. Fr. 63. 



HAB. In deep pools ; not common. 

 Hale moss, Cheshire (Wilson 1856) ! 

 Var. a. acutum Sanio. 



