— 404 — 



eellate capsule. — ^Jwr-. Sweden: Berggren. Engl.: Rogers. France: 

 BrSbisson. Austria: Schmidt. Amer. »U. S., Calif.»: Lesq. et J. 



* Ph.mmus (Hooker et Taylor, as variety) Jseger. — Ph. muli- 

 cum var. minus H. T.; Acaulon Jseger; Phascum Kindb. 



Smaller in all parts. Perichetial leaves entire scarcely rea- 

 ching above capsule. — JE^ir. r. sFrance and Engl. »: Limpricht. 



* Ph.rnfescens Jseger. — Acaulon Jseg.; Phascum Kindb.; 

 Sphserangium Lesq. et Jam. 



» Leaves mostly not revolute. Pedicel of capsule sometimes 

 curved. — Amer. U. S., very common in eastern and central 

 states*: Lesq. et Jam. 



S.Ph.mediterraneum Limpricht. — Acaulon Limpr,; Braith- 

 ■waite; Phascum Kindb.; Acaulon Holtii Lindb. in litt. 



Leaves smaller and narrower than in Ph. muticum, entire, 

 gen. not recurved; cells smaller. Perichetial leaves unequal in 

 length; the upper one much longer, wholly convolute and nearly 

 entire. Capsule mamillate; pedicel indistinct. — Eur. r. Eng- 

 land: G. A. Holt. 



b. Leaves carinate; costa excurrent. 

 S.Ph.triquetrum Spruce. — Acaulon C. M.; Sphserangium 

 Schimper. 



Leaves suboval subacute; borders recurved and sinuolate often 

 nearly all around; costa excurrent to a short deflexed point. 

 Inner perichetial leaves us. 3 of same length. Pedicel of cap- 

 sule curved. Plant resembling a triquetrous bud. — Eur. 

 Austria: Breidler; Schmidt. France: Goulard, com. Husnot. 

 Amer. Can.: Drummond, com. Macoun. 



* Ph.piligerum Notaris. — Acaulon Limpr. 



Leaves with long-excurrent costa. — Eur. »ltaly»: Notaris. 



B. Leaves papillose on both sides; costa not evolute in 

 lower part, long-excurrent. 



4.Ph.Schimperi SuUivant. — Acaulon Sull. icon, muse; 

 Sphserangium Lesq. et Jam. 



Upper leaves concave, serrulate and recurved above, subovate 

 with narrow subulate patent or deflexed point. Perichetial 

 leaves subobovato not convolute. Capsule mamillate; pedicel 

 curved. — Amer. .»U. S. r.»: Sull. 



II. Aschi.sma Lindberg. 

 S.Ph.carnioIicum Weber et Mohr. 



Upper leaves coacave oblong-lanceolate subobtuse, not close 

 when moist; upper cells green round-quadrate, lower hyaline 

 short-rectangular. Capsule subglobose; pedicel very short. Plants 



