— 4:-; — 



Eur. not uncommon. Sweden, German}^, Switzeii.! Amer. »Mi- 

 quelon isl.s: Cardot. 



B. Pedicel of capsule rough. Costa of leaves simple. 

 IS.H.megaptiliim SuUivant. — Camptothecium Sull. icon, 

 muse; Hylocomium Kindb. 



Stem pale, branches thick not distinctlj' turgid. Leaves pli- 

 cate shining not decurrent, green or finally yellowish, larger 

 than in the last; costa dentate at back vanishing near or above 

 middle. Stem-leaves entire broadly ovate-ohlong abruptlj'' nar- 

 rowed to a somewhat long subulate filiform-pointed acumen; 

 alar cells few small suboval, the others linear. Branch-leaves 

 denticulate above middle, serrate in upper part, gen. ovate- 

 oblong, obtusate with short broad subacute point; apical cells 

 lanceolate-oblong, the others linear exc. the alar. Perichetial 

 leaves long-subulate. Capsule large oval-oblong or arcuate; 

 teeth yellow; segments entire; cilia long appendiculate; pedicel 

 often long. Often pseudo-monoecious. — On ground in woods 

 r. Amer. U. S. princ. in Pacif. distr.: Hall and Howell, com. 

 Macoun; Leiberg, com. Mrs Britton. 



39. Crirgensolmia (Lindberg, as subgenus) Kindb. 

 l.G.rutheiiica Weinmann. — Hypnum Weinm.; Climacium 

 Lindb.; Sulliv. icon. m. 



Lower stem-leaves squamiform hyaline entire. Other stem- 

 leaves broad round-ovate obtuse short-pointed; branch-leaves 

 broadly ovate-lanceolate subobtuse long-decurrent, denticulate 

 below middle, sharply serrate above; upper cells lanceolate- 

 oblong, lower inner sublinear; costa dentate at back not per- 

 current. Capsule oblong-cylindric; lid conic acute or apiculate; 

 pedicel not long. — Amer. r. Alaska: J. M. Macoun. 

 40. Thamnium Bryol. eur. 



A. Leaves sharply serrate above, gen. laj;ge; costa dentate 

 above or smooth, not percurrent. 



a. Stem-leaves broad subovate. Lid of capsule rostrate; cilia 

 of endostome long appendiculate. 

 l.T.alopeCunim L. — Hypnum L.; Thamnium Br. eur. 



Branches more or less compressed sometimes flagelliferous. 

 Middle stem-leaves ovate subobtuse or acute not fimbriate; 

 branch-leaves narrow- oblong acuminate acute; middle cells oval- 

 oblong, inner basal sublinear; costa dentate subpercurrent. Cap- 

 sule suboblong; pedicel nearly straight us. prolonged. Dioe- 

 cious not often fruiting. — Shaded often damp rocks. Eur. 

 not r. Sweden, Switzerl.l 



