— 206 — 



Tufts sparingly radiculose, yellowish green. Capsules unknown. 

 — Wet rocks r. — Amer. »U. S.»: Sullivant. 

 93. Dicranella Schimper. 



I. Anisothecium. Leaves spreading, from sheathing base ho- 

 rizontally patent or deflexed. Capsule inclined; pedicel red. 



II. Pseud-Oncophorus. Leaves flexuous or erect-patent, not 

 spreading. Capsule inclined distinctly necked and strumose; 

 pedicel yellow (reddish only when old). 



III. Eu-Dicranella. Leaves not spreading. Capsule not di- 

 stinctly necked; pedicel red or (in D. heteromalla) yellow. 



I. Anisothecium (Mitten) Lindberg. 



A. Leaves large gradually tapering to the broad acumen. 

 Stem us. high. R. fruiting. 



l.D.sqiiarrosa Starke. — Dicranum St.; Dicranella Schimp. 



Leaves with nearly entire often obtuse acumen; upper cells 

 oval or suboblong; costa not percurrent. Capsule large not 

 striate. — Moors princ. in alps. Eur. not r. Norway (fruit.), 

 Sweden, Switzerl.l Engl, (fruit.): Manchester Cryptog. Society. 

 Amer. Can.: Macoun. 



B. Leaves less large abruptly tapering to the long subulate 

 acumen. Stem us. low. 



2.D.Schreberi Swartz. — Dicranum Sw.; Dicranella Schimp.; 

 Cynodontium canadense Mitten; Dichodontium Lq. et Jam. 



Leaves with an in upper part serrulate acumen; cells irregular 

 often rhomboidal, upper suboblong; costa percurrent. Capsule 

 smooth not large. — Clay soil not r, Eur. Sweden!; Lindberg; 

 M. Huss. Engl.: Holt. Amer. Can.: Macoun. 

 S.D.Grevillei Bryol. eur. 



Leaves entire; cells oblong-lanceolate; costa excurrent. Cap- 

 sule small finally striate or sulcate, indistinctly strumose. — 

 Clay soil princ. in alps r. Eur. Norway, Switzerl.l Sweden: M. 

 Huss. Amer. Can.: Drummond; Macoun. 



II. Pseud-Oncophorus Kindb. 

 4.D.cerTiculata Hedwig. — Dicranum H.; Dicranella Sch. 



Leaves from half -sheathing base abruptly narrowed to a long 

 subulate acumen, us. flexuous or crisped; cells narrow irregular; 

 costa broad long-excurrent. Capsule finally plicate; teeth cleft 

 to middle. Tufts yellowish green. - — Bare soil on wet heaths 

 and in ditches. Eur. common. Sweden! Amer. Can.: Macoun. 

 *D.pusilla Hedwig. — Dicranum H.; Dicranella Sch. 



»Plants smaller. Leaves shorter, nearly straight and not 



