— 122 — 



C. Leaves spreading gen. with ovate base; alar cells distinct, 

 the others us. linear. Dioecious. 



a. Leaves nearly crowded not decurrent; angular (alar) cells 

 few. 



lO.C.chrysophylliini Bridel. — Hypuum Brid.; Campylium 

 Kindb. 



Leaves entire (or the uppermost sinuolate) long-cuspidate; 

 cells gen. linear exc. the us. 5'ellow alar; costa thin reaching 

 to middle or obsolete. Perichetial leaves co.state faintly striate, 

 abruptly narrowed. Peristome pale. Branches us. pinnate. 

 Tufts sparingly radiculose, not much dense. — Common. Eur. 

 Sweden, Norway, Switzerl.! Amer. Can.: Macoun; Moser; Wag- 

 horne. U. S.: Langlois, com. Cardot. 

 ll.C.unicostatum C. M. et Kindb. — Hypnum cat. Canad. m. 



Leaves entire shorter-acuminate than in the last; alar cells 

 small not yellow, the others gen. linear; costa gen. distinct. 

 Perichetial leaves costate, gradually subulate-acuminate or with 

 fiUform falcate point. Capsule smaller than in the last. Stem 

 irregularly divided. Tufts very dense. — Amer. r. Can.: Macoun; 

 Moser. 

 12.C.sinil0latum Kindb. in Hedwigia 1897 p. 47. 



Leaves sinuolate short-acuminate; alar cells hyaline, the others 

 sublanceolate; costa long somewhat thick. Stem irregularly 

 divided. Tufts dense. Capsules unknown. — Amer. r. U. S. 

 Ohio: Purpus, com. Roell. 



h. Leaves decurrent entire more or less distant, recurved 

 at base; angular cells numerous hyaline. 

 IS.C.decursivnlum C. M. et Kindb. — Hypnum cat. Canad. m. 



Leaves from broad-ovate base long-cuspidate; costa not long. 

 Capsule arcuate; lid apiculate; pedicel very long. Perichetial 

 leaves costate plicate short-cuspidate filiform-pointed. Stem 

 often pinnate. Tufts loose. — Amer. Can.: Macoun. Eur. 

 Sweden: P. Dusdn. 

 14.C.bergenense Austin. — Hypnum Aust.; Campylium Kindb. 



Leaves short very small, ovate-cordate or ovate-oblong, shortly 

 cuspidate; costa often prolonged nearly to acumen. Capsule 

 smaU arcuate; pedicel not long. — Amer. 1: U. S.: Roell; Austin, 

 com. C. Mueller. 



60. Heterophyllon Kindb., new genus. 



A. Leaves entire somewhat large. 

 l.H.Haldanei Greville. — Hypnum Grev. 



Leaves ovate-oblong acute or short-acuminate, recurved below 



