96 Illinois State Laboratory of Natural History. 



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

 contracted or subplicate, the mouth denticulate or ciliate; in- 

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

 often long ciliate; capsule oval. (Jungermania Macouni 

 Aust. 1869). 



Hob. On rotten logs Can. (Macouri), Mts. of N. Eng. (Austin). 

 Bib. Pro. Phil. Acad. 1869, p. 222. 

 Exsic. Hep. Bor.-Amer. No. 55. 



** Amphigastria present. 



8. C. 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 laciniae truncate, naked. 

 (Jungermania inflata var. fluitans Nees, Cephalozia obtusiloba 

 Lindb.) 



Nab Peat 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. 0. 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 Sullivantii 

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



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

 Bib. Pro. Phil. Acad. 1869, p. 221. 

 Exsic Hep. Bor.-Amer. No. 50. 



