ITcjxilira' of North America. 87 



1. C. ascendens Hook, and Wils, Large, pale-green; 

 stems prostrate; leaves ascending, roundish-oblong, slightly 

 emarginate; involucral leaves 2-cleft; inner involucres 2-3- 

 lobed, the lobes long and irregularly lacerate-toothed. (C. la- 

 bia f us Tayl.) 



Hub. — On rotten logs, etc., rather common. 

 i?i6.— Sulliv. Mosses U. S., p. 91. 

 Delin.—SuWiv. Mosses U. S., t. VIII. 

 Exsic. — Hep. Bor.-Amer. No. 70. 



** A))tp]ii(jaxfria hip'<I ; inrohicral hares 2. 



2. 0. pallescens Dumort. Stems procumbent, creeping; 

 leaves flattened, ovate-subquadrate, retuse or obtuse; amphi- 

 gastria ovate, distant, subentire, free; involucral leaves 2- 

 toothed; inner involucre deeply trifid, the lacinia3 spinose-den- 

 tate; calyptra conspicuous, mostly longer than the inner invo- 

 lucre. (Jungernuoiia pallescens Ehrh.) 



Hah.— Mis. of N. Eng. {Oalcei^). (En.) 

 J5i6.— Syn. Hep. p. 187 ; Hep. Europ. p. 101. 

 Exsic. — Hep. Bor.-Amer. No. G9. 



3. 0. polyanthos Corda. Stems procumbent, creeping; 

 leaves subascendiug, ovate-subquadrate, truncate-subretuse; 

 amphigastria free, distant, ovate-oblong; involucral leaves 

 slightly 2-toothed; inner involucre 3-lobed, the lobes short and 

 nearly entire; calyptra longer than the inner involucre. (Jun- 

 germania pohjanthos L.) 



Var. rivularis Nees. Larger, more branching, succu- 

 lent; leaves mostly rounded at the apex; amphigastria often 

 divided into halves or entirely wanting, when present broader 

 and somewhat denticulate. 



Hab. — On ground and rotten logs ; common. (Eu.) The variety in 

 shady rills. (I'u.) 



I?(6.— 8yn. Hep. p. 188; Hep. Europ. p. 101. 

 I>e?iu.— Brit. Jung. t. 62 ; Ekart, t. YI, f. 50. 

 JJr.sic— Hep. Bor.-Amer. No. 67, 68. 



*** Anipihigasfria ahitost entire; itirohicrtd lea res 3-4. 



