— 41 — 



Not r. fruiting. Earth and stone in woods. Eur. not uncommon. 



Sweden, Germany, France, Switzerl.l 



5.H.meridionaIe Schimper. — Hypnum Sch.; Hylocomium 



Kindb. 



Leaves crowded brown-green faintly striate; angular cells nu- 

 merous oval-rectangular not large, lower dusky. All leaves 

 long-acuminate with very broad subcordate base, often filiform- 

 pointed, nearly spreading when moist; costa vanishing at base 

 of acumen. Perichetial leaves yellow with very narrow cells, 

 denticulate only at acumen Capsule small subobovate brown; 

 lid rostellate; pedicel much shorter than in the last. Stem 

 decumbent; branches crowded obtuse often curved. Very r. 

 fruiting. — On stone r. Eur. France: Husnot; Philibert; Ber- 

 thoumieu. Italy: Bottini ; Arcangeli. Spain: Dieck, com. Roell. 



II. Pleurozium Sullivant. 

 6.H.proliferuni L. — Hypnum L.; Hjdocomium Lindberg; 

 H. splendens (Hedw.) Br. eur. 



Basal stem-leaves long-acuminate us. hyaline; middle (larger) 

 stem-leaves decurrent ovate-oblong abruptly short-acuminate, 

 serrate above middle; basal cells numerous purplish or r. orange, 

 angular dilated subrectangular. Branch-leaves suboblong obtusate 

 often acute, minutely denticulate above. Capsule suboblong or 

 arcuate; lid rostrate; pedicel long. Stem proliferous by new 

 shoots; branches large distant. — Earth in woods common. 

 Eur. Sweden etc.! Amer.: Macoun etc. 

 T.H.alaskanuin James. — Hypnum Jam.; Hylocomium Kindb. 



Less robust than the last, often simply pinnate; branches us. 

 crowded. — Stem-leaves smaller not decurrent more crowded, 

 ovate obtuse or short-pointed, faintly serrulate above; lower 

 basal cells reddish not numerous, angular indistinct. Branch- 

 leaves subovate or suboblong gen. obtuse nearly entire. Cap- 

 sules unknown. — On earth in open heaths princ. in alps. 

 Eur. Norway! Sweden (below alps)! Spetsbergen: R. Gyllen- 

 creutz. Switzerl.: Culmann, com. Husnot. Amer. Alaska: J. M. 

 Macoun; Dall, herb. James, com. C. Mueller. Can.: Macoun; 

 Waghorne. 



III. Hyocomium Br. eur. in part. 

 S.H.umbratiim Ehrhart. — Hypnum Ehrh.; Hylocomium 

 Br. eur. 



Leaves sharply fimbriate, at least those of branches; lower 

 basal cells dilated. Stem-leaves ovate-oblong short-acuminate; 

 branch-leaves oblong-lanceolate. Capsule oval-oblong; lid conic 



4 



