04 Illinois State Lahoratonj of Natural History. 



2. C. multiflora Lindb. Fruit-bearing branch very 

 short; stem and sterile branches creeping, flexuous; leaves a 

 little wider than the stem, orbicular with a broad decurrent 

 base obliquely attached to the stem, bifid with a lunulate sinus 

 and strongly connivent lobes; involucral leaves 2-ranked, im- 

 bricate, 3-5-fid with entire erect linear divisions; inner invo- 

 lucre slender, oblong, the mouth lacerate-ciliate; capsule oval, 

 pale fuscous. (Jiiiigermania connivens Dicks., Trigonanthus 

 connivens Spruce, Cephalozia connivens Aust., Blepharostoma 

 connivens Dumort. ) 



Hah. — On decaying moss, rotten wood and on the ground ; common. 

 Eastern U- S. to Cal. (Eu.) 



Bib. — Lindb. Heji. Hibern. p. 501. 



Delm.—Br\i. Jung. t. 15 (exlc. f. 2, 3) ; Ekart t. VIII, f. 60 ; SuUiv. 

 Mosses U. S. t. VII. 



Exsic. — Hep. Bor.-Amer. No. 57. 



3. O. divaricata Dumort. Plant minute, dark green; 

 fruit-bearing branch elongate, terminal; stems usually short, 

 rigid, with ascending branches; leaves scarcely wider than the 

 stem, spreading, rather fleshy, oblong, bifid to the middle with 

 acutish sinus and segments, the lower somewhat distant with 

 entire divaricate lobes, the uppe^ sometimes imbricate with 

 lobes more or less serrate and not divaricate; involucral leaves 

 3-ranked, imbricate, 2-3-cleft, incised-dentate ; inner involucre 

 short, 4-5-angled, plicate, the scarious mouth entire or lacini- 

 ate; capsule oval. (Jungermania divaricata Engl. Bot., J. 

 hyssacea Roth., Trigonanthus divaricatus Spruce.) 



Hah. — Dry rocks in mountain woods and on dry sand, Pine Barrens, 

 N. J. {Austin), and northward; also in Cal. (Bolander). 



Bih.—Syn. Hep. p. 138 (sub Jungermania) ; Hep. Europ. p. 91. 

 Delin.~Bnt. Jung. t. 4; Ekart, t. IV, f. 33. 

 ^mc— Hep. Bor.-Amer. No. 51, 52, 53, 54. 



4. 0. pleniceps (Aust.) Stems densely casspitose, very 

 short, strongly radiculose beneath, with numerous ventral in- 

 novations; leaves thick, orbicular, strongly concave, vertical- 

 connivent, somewhat half clasping but not decurrent, bifid | 

 their length, the sinus somewhat acute or obtuse; the lobes 

 acute, incurved, strongly connivent; involucral leaves oblong, 



