— 29 — 



31. Entodon C. Mueller (Cylindrothecium Schimper). 

 A. Leaves obtuBate or phort-acuminate, entire or near apex 

 denticulate-sinuolate. Endostome not much lower than teeth. 



a. Leaves entire with traces of several nerves near base. 

 Stem pinnate eradiculose. Dioecious r. fruiting. 

 l.E.orthocarpns Dela Pylaie. — Hypnum Dela P.; Entodon 

 Lindb.; Cylindrothecium concinnum (Not.) Schimp. 



Leaves ovate obtuse subcucullate at apex, not large, at in- 

 sertion yellow; alar cells small green. Capsule cylindric; teeth 

 red-yellow; annulus narrow; lid not rostellate; pedicel long. 

 Stem rigid pale ; branches subdistant somewhat turgid. Tufts 

 loose green or yellowish. Habit of Hylocomium Schreberi. — 

 Dry earth and stone. Eur. not r. Norway! Switzerl.l; Schimper 

 and Philibert (fruit, specim.). Amer. r. Can. N. Foundl.: Waghorne. 



b. Leaves entire or near apex denticulatersinuolate; costa 

 double or indistinct. Stem irregularly divided or subpinnate, 

 more or less radiculose. Monoecious often fruiting. 



aa. Branches turgid julaceous. Leaves sometimes short-acu- 

 minate; costa often distinct. 



2.E.seductrix Hedwig. — Neckera H.; Entodon C. M.; Cylin- 

 drothecium Sulliv. icon. muse. 



Leaves oval-ovate acute sometimes with defiexed point, very 

 concave but not cueullate, us. quite entire; cells often wider 

 than in allied species, alar finally hyaline. Capsule cylindric; 

 teeth orange distantly articulate; annulus more or less imper- 

 fect; lid rostrate; pedicel us. short. Perichetial leaves acute or 

 short-apiculate. Tufts dense us. green. Branches crowded. — 

 Trees and logs in moist places. Amer. not r. Can.: Macoun; 

 Drummond n. 160a in part, com. Macoun. U. S.: SuUivant, 

 com. C. Mueller; Purpus, com. Roell; com. Renauld and Cardot. 

 o.E.Sullivantii C. Mueller. — Cylindrothecium Sull. ic. m. 



Leaves suboblong short-acuminate less concave, us. sinuolate 

 or denticulate near apex; cells narrow. Capsule oblong-cylin- 

 dric; teeth orange densely articulate; annulus perfect; lid ro- 

 strate; pedicel somewhat long. Perichetial leaves long-pointed. 

 Branches less turgid and less crowded. — Trees r. Amer. Can.: 

 White, com. Macoun. U. S.: Sawyer, com. Cardot. 



bb. Branches compressed. Leaves us. obtusate; costa us. in- 

 distinct. 



4.E.cladorhiza.ns Hedwig. — Neckera H.; Entodon C. Mueller 

 in part; Cylindrothecium Sulliv. icon. muse. 



Leaves oval-ovate abruptly contracted to a short deflexed 



