— 142 — 



lid acute or apiculate; pedicel short. Tufts us. green. Stem 

 soft sometimes irregularly divided, not r. eradiculose. — Dry 

 princ. calcareous rocks and earth. Eur. nearly common. Swe- 

 den (wanting in not calcareous alps), Switzerl., Spain! Amer. 

 not common. Can.: Macoun; Waghorne. 

 58.H.molluscoides Kindb. revue bryol. 1895. 



Leaves nearly entire, distinctly decurrent; alar cells somewhat 

 large well-defined. Capsule small cyhndric arcuate. Othei-wise 

 as the last. — On logs r. Amer. N. Foundl.: Waghorne. 

 59.H.AlaskaB Kindb. note on Can. bryol. 1893. 



Leaves entire subdecurrent gradually acuminate; alar ceUs 

 large hyaline well-defined. Capsule subovate or arcuate; pedicel 

 short. Tufts green or pale yellow. Stem creeping subpinnate 

 or plumiform. — On trees r. Amer. Alaska: J. M. Macoun. 

 Can.: Moser; N. Found!.: Waghorne. 



b. Stem eradiculose without paraphyllia. Leaves gradually 

 acuminate, often large. 

 eO.H.procerrimum Molendo. 



Leaves large entire or near the cordate base indistinctly 

 sinuolate, not distinctly decurrent; ceUs as in H. moUuscum but 

 the alar finally brown. Capsules unknown. Tufts green or 

 brown-green. Stem somewhat rigid. — Rocks in alp. regions 

 r. Eur. Norway in Dovrefjeld 1862! Switzerl.! Austria: Breidler. 

 Prance: Boulay. 

 61 .H.subplumiferum Kindb. bull. soc. hot. ital. 1895. 



Leaves large, ovate at base, serrulate all around and subde- 

 current; alar cells hyaline well-defined somewhat large. Cap- 

 sules unknown. Tufts brown-gi-een. — Rocks in alp. region 

 r. Eur. Switzerl. near Goeschenen: Kindb. and Roell. 

 62.H.plniliiferatn Mitten. — H. cristula Kindb. bull. Torr. 

 club XVII. 



Leaves somewhat large, ovate at base, entire at least below 

 the to an us. long fiUform point tapering acumen, sometimes 

 subdecurrent; alar cells few gen. not "well-defined. Capsule 

 large narrow subcylindric nearly straight; teeth pale yellow 

 below, hyaline above; Ud conic obtuse; pedicel somewhat long. 

 Perichetial leaves faintly striate, abruptly narrowed to the fili- 

 form point. Tufts brown-green or green. — Rocks and trees 

 in oak-woods r. Amer. princ. in Pacif. distr. Can. Vane, isl.: 

 Macoun. U. S.: Roell. 

 * H.sabimponen$ Lesq.; SuUiv. icon. muse. 



Leaves smaller gen. nearly entire at the subulate acumen. 



