226 A MANUAL OF MOSSES 



most hypnaceous peristomes, sometimes perforate, (lacunose) 

 above ; segments distinct, linear, very narrow, carinate, iiyaline, 

 very slightly granulose-roughened, entire, nearly as long as the 

 teeth, arising from a very narrow basal membrane; cilia none; 

 spores papillose, incrassate, castaneous, about .016-.020 mm.' 

 mature in late autumn or early winter. 



On leaf-mould, rotting logs, bases of trees, etc. ; Europe, 

 and, in America, from New Brunswick to Ontario and south 

 to the Gulf States. Common in our region. 



Allegheny : Wildwood Road Hollow. March 29, 1909 

 O. E. J. and G. K. J. (Figured) ; 33 other 

 pockets from various localities in the 

 county. 

 Beaver : T. P. James. (Porter's Catalogue). 



Butler : Valencia, September 27, 1904. O. E. J. 



Crawford : Linesville, August 3, 1909. O. E. J. 



Indiana : T. P. James. (Porter's Catalogue). 



Fayette : Ohio Pyle, September 1-3, 1906. O. E. 



J. and G. K. J. 

 Lawrence : Gorge below Ellwood City, October 14, 



1910. O. E. J. and G. K. J. (Figured). 

 McKean : Quintuple, June IS, 1896. D. A. B. 



Washington : Linn and Simonton. (Porter's Catalogue). 

 Westmoreland: Shades, near Blackburn, March 25, 1910. 

 O. E. J. and G. K. J. " 



3. Entodon seductrix (Hedwig) C. Mueller. 

 {Neckera seductrix Hedwig; Cylindrothecium seductrix Sulli- 

 vant). 



(Plate XXXIII) 



Robust, widely cespitose in glossy yellowish-green mats: 

 branches sub-pinnately arranged, slender, julaceous, up to 2 

 or 2.5 cm. long; leaves about 0.8-1.4 mm. long,, broadly oblong- 

 ellipitic to ovate, imbricate, deeply concave, short-apiculate 

 with the apiculation often reflexed, margin plane, entire, or 

 sometimes slightly serrulate, at base often slightly refliexed, 

 base of leaf slightly narrowed ; costa short and double ; median 

 leaf-cells linear- to oblong-prosenchymatous, alar cells quad- 

 rate, slightly incrassate, forming a distinct group sometimes 

 extending along the margin for one-fourth the length of the 

 leaf; perichastial leaves with a slender acumen, narrower and 

 reaching a length of about 3 mm. : seta glossy, red-castaneous, 

 erect, sinistrorse, about 1.5 cm. long; capsule 2-3 mm. long, 

 castaneous, about 5-6:1, cylindric, erect, symmetric or slightly 

 curved; exothecial cells yellowish with medium walls, rectan- 

 gular to irregularly oblong, towards the rim smaller, quadrate 

 to laterally oblong incrassate, and forming a rather indefinite 



