94 Illinois State Laboratory 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. (Junger mania connivens Dicks., Trigonanthus 

 connivens Spruce, Cephalozia connivens Aust., Blepharostoma 

 connivens Dumort.) 



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

 Eastern TJ. S. to Cal. (Eu.) 



Bib. Lindb. Hep. Hibern. p. 501. 



Delin. Brit. Jung. t. 15 (exlc. f. 2, 3) ; Ekart t. VIII, f. 60 ; Sulliv. 

 Mosses U. S. t. VII. 



Exsic. Hep. Bor.-Amer. No. 57. 



3. C. 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 upper 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. (Jungennania divaricata Engl. Bot., J. 

 byssacea Roth., Trigonanthus divaricatus Spruce.) 



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

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



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

 Delin. Brit. Jung. t. 4 ; Ekart, t. IV, f. 33. 

 Exsic Hep. Bor.-Amer. No. 51, 52, 53, 54. 



4. 0. pleniceps (Aust.) Stems densely caespitose, 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: invoHicral leaves oblong, 



