664 MUSCI. (MOSSES.) 



ing; pedicels 5" -6" high; leaves reflexed on the margins. (Neckera brachy- 

 clada, Mull. Synop. 2. p. 88.) Old fences, logs, &c., forming dense brownish- 

 yellow patches. Fruits abundantly. (Tab. 19.) (Eu.) 



TRIBE XXXI. CYLINDROTHECltiaE. 



75. CYL.INDROTHECIUM, Bryol. Europ. (Tab. 19.) 



Calyptra dimidiate, narrow, elongated. Operculum conic-rostellate. Capsule 

 cylindrical, erect, pedicellate, annulate. Peristome double ; the exterior 16 lin- 

 ear distantly articulated teeth; the interior 16 narrow carinate cilia, connected at 

 the base by a very narrow membrane. Columella usually exserted. Inflores- 

 cence monoecious. A very natural genus, with prostrate and usually compressed 

 stems, and closely imbricating ecostate polished leaves, with a minute linear trans- 

 parent areolation. (Name from Kv\u>8pos, a cylinder, and OTJICT), a little case. 

 referring to the shape of the capsule.) 



# Pedicels reddish. 



1. C. Cladorrhlzans, Bryol. Europ. Stems 2' -3' long; sparingly 

 and subpinnately branched ; leaves oblong-ovate, acute, slightly serrulate at the 

 apex, concave, indistinctly bicostate at the base ; operculum conic, with a thick 

 obtuse rostrum. Woods, on old bogs, in large mats. Conspicuous by the broad 

 flat branches, and greenish-yellow foliage, dashed with bright brown ; very com- 

 mon. (Tab. 19.) (Eu.) 



2. C. SCdiictrix, Bryol. Europ. Separated from No. 1 by its less com- 

 pressed, almost cylindrical stems and branches. (Fruits much more abundantly, 

 and affects humid situations.) Margins of swamps, on old logs and roots of 

 trees. Its numerous dark-red pedicels give it a striking character. 



3. C. compressum, Bryol. Europ. Near No. 1, but distinguished by 

 its smaller size ; more compressed branches ; the leaves loosely imbricating, more 

 concave, with an obtuse entire apex, and a more lax areolation ; shorter ovate- 

 oval capsule ; and substriatc perichoetial leaves. (Leskea compressa, Hedw.) 

 Trunks of trees, on river-banks, subject to inundation, Central Ohio : rare. 



4. C. Sllllivailtii, (C. Mull.) Bryol. Europ. A more slender species than 

 any of the preceding ; stems and branches elongated, narrow, and quite flat ; 

 leaves laxly imbricating, oblong-ovate, short-pointed ; annulus conspicuous ; 

 operculum with a slender acute rostrum. (Neckera Sullivantii, Mall. Synop. 2. 

 p. 65, 1850. C. gracilescens, W. P. Schimper, Bryol. Europ. fasc. 46, 47, 1851.) 

 On stones, near the surface of the ground ; banks of the French Broad River, 

 North Carolina. 



* * Pedicels ytlloicish. 



5. C. Drumindiidii, W. P. Sch. About the si/e of No. 1, which it 

 much resembles ; but its stems and branches arc more complanate ; leaves not 

 so closely imbricating ; teeth of the peristome perforated along the medial line, 

 more distantly articulated ; sporules half the size ; annulus nearly obsolete. 

 (N. cladorrhizans, Hook, fr Wils. in Drum. 2d coll. No. 96. C. Rugelianum, 

 W.P.Sch.f) North Carolina, Ravenel: Texas, Wright. 



