— 225 — 



* G.siibsimplex Kindb. bnli. soc. bot. ital. 1895. 



Stem nearly simple, 3 — 4 c. m. high. Leaves less appressed 

 when dry, not recurved below at one side, sometimes with 

 brood-corpuscles; upper cells not sinuous. Capsules unknown. 

 Habit of O. Hartmani. — Siliceous alp. rocks r. Eur. Switzerl. 

 near Goeschenen! 



Sl.G.robustifoHa Kindb. — Racomitrium Kindb. bull. Torr. 

 club XVITJ R. obscurum Kindb. in Macoun Canad. mueci 

 exsicc. 



Leaves long, not recurved above at least at one side, faintly 

 crisped and not appressed when dry| nearly all cells sinuous, 

 the middle rectangular, the upper subquadrate. Capsule small 

 oval, striate or plicate when dry; lid with very short oblique 

 beak. Tufts 3 — 6 c. m. high, dark green, finally blackish 

 brown. — Rocks in brooks of higher alp. region r. Amer. Pacif. 

 distr. Can. 1800—2100 metr. a. s.: Macoun. 



b. Angular (alar) leaf-cells pluriseriate and rectangular. 

 Dioecious. Stem gen. not high. 

 32.G.trichophylla Grevilie. 



Leaves long, not distinctly recurved below at one side; middle 

 cells short-rectangular, the upper roundish-quadrate faintly si- 

 nuous; hairpoiut nearly smooth often long. Capsule oblong 

 costate or rugose. Stem us. 1 c. m. (in Canad. specimens of- 

 ten 2 c. m.) high. Tufts loose greenish. — Rocks. Eur. princ. 

 below alps, not r. in southern districts. Switzerl. 1 Germany: 

 Sehimper. France: Husnot. Amer. Can. common in Pacif. 

 distr.: Macoun. U. S.: Roell. 

 33.G.Muelilenbeckii Sehimper. 



Differs from the last: Leaves shorter and broader, nearly 

 appressed when dry; upper cells distincth' sinuous; hairpoint 

 longer and rough. Capsule oval gen. smooth. — Rocks princ. 

 in northern districts. Eur. Sweden common, Norway, Switzerl. 1 

 Amer. r. Can.: Macoun. 

 34.G.califoriiica Sullivant. 



Leaves somewhat small, acute, recurved below at both sides, 

 the upper with long faintly rough hairpoint; cells yellow: the 

 middle and upper round quadrate very small, not or faintly 

 sinuous; alar cells short- rectangular. Capsule oval faintly striate; 

 teeth often subpartite. Tufts dense brown 2 — 3 centim. high. 

 — Amer. r. Pacif. distr. Can.: Macoun, U. S.: Bolsender, com, 

 C. Mueller. 



