Uc/Kif/i-d' (if Norf/i Aiiicrira. ')') 



palmatoly 2-4-cleft, the ventral ones amphigastria-like; inner 

 involucre terminal on a ventral branch, large, oblong-cylindric, 

 obtusely trigonal, the mouth plicate, denticulate. (Jimf/crnui- 

 nia pleniceps Aust.) 



Hab. — Among Sphdgmt, White Mts., N. 11. {Oakes). 

 Bib.— Fro. Phil. Acad. 1869, p. 222. 



ff Leai'cs iiiihricdfe of siibiiiihficafe. 



5. C. catenulata Lindh. Fruit-bearing branch short: 

 stem somewhat rigid, branching, with flexuous ascending sterile 

 branches; leaves scarcely wider than the stem, ascending, con- 

 cave, thickened at the middle, mostly bifid with a somewhat 

 obtuse sinus and incurved segments; involucral leaves appressed, 

 many ranked, bi-trifid, subentire; inner involucre subcharta- 

 ceous, cylindric, complicate upward, the mouth ciliate; capsule 

 oval, cinnamon-colored. (Jtuigennania catenulata Hilbn.) 



Hab.— On rotten wood in swamps and on the ground, N. Eng. to 

 La.; very common southward. (Eu.) 



Bib.— Hyn. Hep. p. 138; Hep. Europ. p. 1)2. 

 Risic — Hep. Bor.-Amer. No. 56. 



6. C. curvifolia Dumort. Fruit-bearing branch short; 

 stems and sterile branches flexuous, creeping; leaves ascending, 

 nearly orbicular, inflated at the ventral base. Innately 2-cleft. 

 the segments long, linear, inflexed; involucral leaves erect, 2-3- 

 cleft, serrate, imbricate, inner involucre elongate, narrow, the 

 mouth denticulate; capsule oval. (Jiinfjeniiania ctirri folia 

 Dicks., TrigonaiifliKs c)irr/folii(.s Spruce). 



Hab. — Rotten logs in damp woods and swamps; common. (Eu.) 



Bib.— Syn. Hep. p. 142 ; Hep. Europ. p. 93. 



Delin.— Brit. Jung. t. 16. 



Exsic. — Muse Alleghan. No. 242; Hep. Bor.-Amer. No. 60. 



7. C. Macouni Aust. Stems slender, diffusely cavspi- 

 tose; fruit-bearing branch short; leaves little wider than the 

 stem, subimbricate, somewhat concave at the base, subcuneate- 

 quadrate, bifid to below the middle, the sinus usually broad, 

 obtuse, the segments ovate or triangular-lanceolate, acute, 

 nearly straight, divaricate when pressed; inner involucre mi- 



