— 59 — 



b. All leaves pellucid; those of stem emooth. 

 19.T.palu(l0SHm Sullivant. — Hypnum Sull. ic. muse; Thui- 

 dium Kindb. 



Leaves orange at insertion; cells oblong-lanceolate. Stem- 

 leaves recurved ovate-lanceolate gradually long-acuminate, faintly 

 denticulate above. Branch-leaves ovate-oblong shorter-acuminate 

 faintly denticulate, slightly mamillose at back. Stem and 

 branches as in the last. — Peat-bogs r. Amer. Can.: Macoun; 

 White. U. S.: Austin, com. Macoun; Roell, com. Cardot. 



B. Stem not tomentose; paraphyllia short. Leaves opake 

 very papillose us. not large; cells gen. suboval. Capsule faintly 

 curved. Dioecious r. fruiting. 

 'iO.T.abietinum L. — Hypnum L.; Thuidium Br. eur. 



Leaves brownish at insertion, appressed when dry, gen. not 

 recurved. Stem-leaves from ovate base abruptly short-acuminate, 

 entire or indistinctly crenulate. Branch-leaves subovate denti- 

 culate. Branches us. distant and brown-green. — Dry earth 

 and stones r. in wet places. Eur. common. Sweden fruiting, 

 Nor^\■ay, Germany, Switzerl.l Amer. not r. Can.: Macoun. 



* T.liystrico.sum Mitten; Braithwaite. 



Leaves larger, less appressed when dry us. green; cells often 

 .suboblong. Capsules unknown. — Calcareous princ. wet hills 

 r. Ear. Switzerl. near Freiburg 18.55! 



* T.pachydadon Kindb. note on Canad- bryol. 1893. 



Leaves large, orange at insertion; those of stem ovate-lanceo- 

 late gradually long-acuminate; cells princ. the uppermost sub- 

 oblong. Branches green crowded. Habit of T. Blandoivii. Cap- 

 sules unknown. — Wet places r. Amer. Can. Rocky mts: Macoun. 



Fam. 13. HypnacesB. 



46. Pjiaisia Bryol. eur. 

 l.Intricatfe. Endostomial segments cohering to above middle 

 with teeth. Branches julaceous often curved. Tufts very in- 

 tricate green or dark green. Leaves entire, those of stem de- 

 current; alar cells small green very numerous. Capsule oblong 

 or oval; teeth yellow. Spores large. 



2.Polyanthoideae. Endostome not cohering with teeth. Bran- 

 ches gen. not julaceous. Tufts less intricate. Leaves not 

 distinctly decurrent, often denticulate; alar cells less numerous. 

 Capsule often subcylindric; teeth often pale. Spores gen. small. 



1 . Intricatse. 

 A. Leaves with ovate-lanceolate base; cells narrow sublan- 

 ceolate. Capsule oblong. 



