91) lllinoiH Sfdfc Ldhonitonj <)f N^ihind Ilisforij. 



iiiite, whitish, subtrigonal, oval-obovate, subinflated, the apex 

 contrajcted or subplicate, the mouth denticulate or ciliate; iii- 

 volucral leaves subobovate, somewhat unequal, bi-trifid, serrate, 

 often long ciliate; capsule oval. ( Jungermania Macouni 

 Aust. 1869). 



Hah.— On rotten logs Can. (Macoun), Mts. of N. Eng. (Austin). 

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

 Exsic. — Hej). Bor.-Amer. No. 55. 



** Amphigasfria present. 



8. O. Francisci Dumort. var. fluitans Austin. Stems 

 very long, climbing among Sphagna or floating in water, flagel- 

 liferous-branching ventrally, copiously radiculose; leaves pale, 

 loose, narrower at base, scarcely decurrent, oblong-elliptic, 

 deeply bilobed, the margin entire^ the sinus narrow, the lobes 

 obtuse, more or less unequal, the apex incurved or flat; amphi- 

 gastria minute^ appressed, inconspicuous, mostly triangular- 

 lanceolate; inner involucre short, oval, obtuse, obtusely trigonal, 

 the mouth plicate, sublaciniate, the lacinige truncate, naked. 

 (Jungermania inflata y ox. fluitans Nees, Cephalozia obtusiloha 

 Lindb. ) 



Hab.— Feat bogs, N. J. to Can. (Eu.) 



Bib.— Bot. Bulletin (now Bot. Gazette) 1,31 ; Syn. Hep. p. 106; Hep. 

 Europ. p. 89. 



Exsic. — Hep. Bor.-Amer. No. 35. 



9. O. Sullivanti Aust. Plant very minute, olive-green; 

 stem 0.6 — 1.2 cm. long, fleshy, strongly radiculose, the fruit- 

 bearing branch suberect, clavate, the sterile creeping, subfili- 

 form or subjulaceous; leaves imbricate, often narrower than 

 the stem, subquadrate-ovate, more or less dentato-serrate, bifid, 

 the sinus and segments somewhat acute; inner involucre 

 broadly oval or subobovate, obtusely and sparingly angulate, 

 the apex slightly plicate, truncate, the mouth connivent, den- 

 tate, sometimes narrowly scarious; involucral leaves 3, erect, 

 not grown together; capsule oval. (Jungermania SulUvantii 

 Aust. 1869, J. diraricata Sulliv. Muse. Alleghan. No. 239.) 



Hab. — On rotten wood, N. J., O., 111.; rare. 

 Bib.— Vro. Phil. Acad. 1869, p. 221. 

 Exsic. — Hep. Bor.-Amer. No. 50. 



