Hypnum.] BRYACE^. 333 



Var. plumulosum, Bruch & Schimp. I. c. Very small and 

 slender, intricately cespitose and creeping, pinnately ramulose : 

 leaves small, with a shorter point, cnrvecl in a circle, distantly 

 serrulate at apex : capsule short-pedicellate, small. — II. Peckii, 

 Aust. in Kep. Reg. Univ. of State of N. York, xxv. 71. 



Var. gracilescens, Bruch & Schimp. More densely cespi- 

 tose ; stem erect, slender, densely ramulose : leaves shorter, 

 solid, less falcate. 



Var. subjulaceum, Bruch & Schimp. Stem erect, with 

 fewbranchlets, teretely imbricate : leaves erect-secund, scarcely 

 uncinate, green, glossy : capsule suberect, cylindrical. 



Var. fragile. Stems fragile, erect, subflexuous, simple or 

 sparingly branching by innovations : leaves subhomomallous, 

 uncinate, very concave, narrowly acuminate, gradually narrowed 

 at base, very entire ; areolation linear, fusiform ; basilar cells 

 much shorter, scarcely broader ; those of the auricles subin- 

 flated. — II. Jamesii, Aust., Coult. Bot. Gaz. ii. 142. 



Had. On stones bordering rivulets or on sliaded ground, and rarely 

 on decayed wood; very common in alpine and subalpine regions, and very 

 variable. 



136. H. fiuitans, Linn. Monoecious: plants in soft loose 

 yellowish dirty red tufts, often immersed or floating ; stems 

 long, slender, with dichotomous divisions, pinnately ramulose : 

 stem-leaves distant, flexuous, spreading, only those of the apex 

 hooked, long-lanceolate, gradually narrowly acuminate ; those 

 of the branches and branchlets narrower, curved to one side or 

 falcate-secund, all costate to near the apex, concave, not sulcate, 

 minutely denticulate on the borders; areolation very narrowly 

 rhomboidal, enlarged at the decurrent angles ; perichsetial leaves 

 costate, the inner broad and long, narrowly acuminata: capsule 

 erect at base, oblong, incurved, with a distinct collum, soft; 

 pedicel very long and flexuous; 023erculum highly convex, 

 mamillate ; teeth short ; segments entire ; cilia one or two, 

 thick, shorter than the segments; annulus none. — Fl. Suec. 

 322 ; Bryol. Eur. t. 602. Amblystegium flidtans^ DeNot. Briol. 

 Ital. 143. 



Var. submersum, Schimp. Stems very long and very 

 slender, with few branches and branchlets: leaves longer, very 

 soft, flat, pale green when young, fuscous when old : capsule 

 shorter, thicker, on a very long slender straight pedicel. — 

 Syn. 609. 



