— 6 — 



Leaves distinctly papillose, from subovate base tapering to 

 the hyaline and often long acumen, not striate; inner cells irre- 

 gular, oval or angulate, sometimes sinuous; inner basal cells 

 subrectangular. Capsule piriform, short-necked; pedicel long. — 

 Rocks r. Amer. Pacific district. Canada: Macoun. U. S.: Hen- 

 derson, com. Cardot. 



2. Lencodon Schwsegrichen. 



A. Pedicel of the capsule long-exserted. Leaves gen. entire 

 and not distinctly decurrent. 



1. L. sciuroides L. — Hypnum L.; Leucodon Schwsegr. 



Leaves ovate-oblong or broadly^ ovate-lanceolate, short-acumi- 

 nate and acute, plicate or striate, open when moist; upper cells 

 oblong, the others narrow. Perichetial leaves short-acuminate. 

 Capsule suboblong; teeth split; endostome indistinct; lid conic, 

 acute. — On trees, less often on rocks. Eur. common. Sweden, 

 Norway, Germany, Switzerland, Italy I Amer. r. Can.: Macoun. 



* L. morensis Schwffigrichen. 



Leaves shorter, subovate, less striate; the perichetial longer 

 acuminate. Capsule cylindric, slightly curved; endostome rudi- 

 mentary; lid rostellate. — Eur., southern districts, often frequent. 

 Greece: Haussknecht. Italy: Arcangeli; E. Adlerz. France: Husnot. 

 Spain: Dieck, com. Roell. 



B. Pedicel of the capsule immersed or short-exserted. Leaves 

 often denticulate or sinuolate at acumen, sometimes decurrent. 



2. L. brachypiis Bridel. — Sullivant icon, muscor. 



Leaves (as in L. sciuroides) ovate-oblong or broadly ovate- 

 lanceolate, short-acuminate, more or less striate-plicate, decur- 

 rent; inner basal cells narrow. Capsule oval, partly immersed; 

 teeth us. entire; lid rostrate. Branches often nearly simple. — 

 Trees. Amer. U. S. not r.: Austin, com. Macoun; Canada? 

 (.sterile specimens): Macoun. 



3. L. julaceus L.; Sull. 1. c. — Hypnum L.; Leucodon SuU. 

 Differs from the last: Leaves shorter, broad-ovate with very 



short acumen, not striate, less decurrent, nearly spreading when 

 moist. Capsule round-oval; teeth slightly split above; pedicel 

 sometimes exserted, often curved or flexuous. Branches ramose. 

 — Trees. Amer. U. S., northeastern slope: Sullivant, com. C. 

 Mueller; Fitzgerald etc., com. Renauld and Cardot. 

 3. Forsstroemia Lindberg. 



A. Leaves entire or faintly sinuolate above; cells pellucid. 

 Peristome whitish. 



