— 203 — 



B. Leaf-base more or less dusky. Leaves and branchlets 

 r. brittle. Leaves gen. (exc. C. Schimperi) not appressed. 



a. Leaves not involute above; costa long-excurrent. Not r. fruiting. 

 S.C.piriformis Schultz. — Dicranum Schz.; Campylopus Bridel; 

 C. turfaceus Br. eur. 



Upper leaf-cells subrhomboidal; costa sometimes sulcate. Stem 

 short, radiculose at base. — Heaths and moorlands. ^«r. notr. Swe- 

 den: Aokerman, com. Lindberg. England: Holt. France: Du Noday. 



b. Leaves involute above; costa gen. less long-excurrent. 

 Very r. fruiting. 



4.C.subiilatas Schimper. — C. brevifolius Br. eur. 



Upper leaf-cells gen, rhombic-quadrate, the alar sometimes 

 nearly distinct; costa faintly sulcate, sometimes hyaline at apex. 

 Tufts very low without rhizoids. — On stones r. Eur. princ. 

 in warmer districts. Switzerl.l Belgium: Gravet. France: Ber- 

 thoumieu. Austria: Breidler. Sweden; P. Larsson. 

 5.C.Heinrici Renauld et Cardot. 



Differs from the last: »Leaves brittle; upper cells longer rect- 

 angular; costa longer excurrent, not sulcate»: Ren. et Card. • — • 

 Amer. r. »U. S.»: R. et C. 



6.C. Schimperi Milde. — Leptotrichum tomentosum Kindb. 

 note on Can. Bryol. 



Leaves us. appressed when dry; upper cells oval-rhomboidal; 



costa not sulcate. Tufts tomentose often very low, sometimes 



high. ■ — Damp rocks princ. in alps r. Eur. SwitzerL, Norway 1 



Austria; Breidler. Engl.: Holt. Amer. Alaska: J. M. Macoun. 



HI. Eu Campylopus. 



A. Leaves somewhat short, distinctly denticulate above at 

 lamina, fiexuous when dry; coeta long-excurrent gen. without 

 hyaline hairpoint. Capsules unknown. 

 T.C.Donnellii Austin. — Dicranum Aust.; Campylopus Lq. et Jam. 



Leaves abruptly attenuate, indistinctly auricled, not large; 

 upper cells oval-rhombic; costa not sulcate. Tufts greenish to- 

 mentose not high. — • Amer. U. S., Florida: Austin, com. Cardot. 

 S.C.SUbleucogaster C. M. — Dicranum (Campylopus) C. M. 



» Differs from the last in its dirty yellow color, leaves less 

 open and less abruptly narrowed, costa broader; terminal 

 branchlets bristle » Lesq. et Jam. — »Leaves distinctly auricled; 

 upper cells quadrate; costa serrulate at apex. Tufts loose, 

 about 3 cm. high. Stem with very short, densely crowded 

 branches at apex. — Amer. r. U. S., Alabama: Mohr»; C. M. 

 in Flora 1875. 



