— 19 — 



Leaves oval-oblong indistinctly denticulate all around; middle 

 cells rhombic, lower subrectangular-linear, alar eubquadrate. — 

 Rocks r. Amer. U. S.: Peck, com. Macoun. 

 14.N.tenella Kindb. Lanbm. Schwed. u. Norweg. 



Leaves gen. broad-oval, upper denticulate nearly all around; 

 middle and lower cells oblong, lowest baeal shorter and yellow. 



— Rocks in lower subalp. districts r. JEur. Norway in Gud- 

 brandsdal! Sweden in Medelpad: M. Huss. 



V. Homalia Bridel, as genus. 



A. Leaves dentate subfimbriate at apex, denticulate below; 

 costa reaching above middle. Capsules unknown. 

 15.N.lusitaniea Schimper. — Homalia Sch.; Neckera Kindb. 



Leaves obovate subobtuse shining; only a single apical tooth 

 prominent. — Rocks r. trees, r. Eur. Mediterr. distr. France: 

 Boulay and Espagne, com. Husnot. Italy: Bottini; Arcangeli. 

 Portugal: Levier. 



B. Leaves denticulate near apex, nearly entire below; costa 

 vanishing near middle, sometimes shorter and double. 

 IG.N.trichomanoides Schreber. — Hypnum Schreb,; Neckera 

 Hartman. 



Leaves subacute or obtuse (sometimes subacuminate) with 

 several prominent apical teeth, us. subobovate or spathulate, 

 shining when dry. Inner perichetial leaves with patent subu- 

 late acumen. Capsule ovate-oblong; segments entire or riniose; 

 beak of lid nearly as long as capsule. Monoecious us. fruiting. 



— Trees, stones and earth. Eur. gen. common. Sweden, Nor- 

 way, Germany! ».4mer. »: Lesq. et Jam. 



IT.N.Jamesii Schimper. — Homalia Sch.; Neckera Kindb. 



Leaves minutely denticulate all around or nearly entire, 

 neither apiculate nor acuminate, otherwise as in the last. »Cap- 

 sule with shorter peristome; lid shorter rostellates: Schimp. syn. 

 R. fruiting. — Rocks r. Amer. Can.: Macoun; Waghorne. U. S.: 

 James, com. C. Mueller. 



IS.N.Macoimii C. M. et Kindb. — Homalia cat. Can. m,; 

 Neckera Kindb.; Homalia obtusata Lesq. et Jam., non Mitten. 



Leaves arrounded at apex, denticulate to middle, gen. Ungu- 

 late and faintly or not glossy, finally yellow at insertion. Inner 

 perichetial leaves suddenly narrowed to the erect sublinear 

 obtuse acumen. Capsule suboblong; beak of lid much shorter; 

 segments rimose. R. fruiting. Probably dioecious; male flo- 

 wers not found. — Trees and rocks. Amer. Can.; Macoun; 

 Moser; Waghorne, 



