OF WESTERN PENNSYLVANIA 191 



AUeglieny : Along a shaly roadside bank at the west 



end of Fern Hollow Bridge, Pittsburgh, 

 Pennsylvania. O. E. Jennings, March 8, 

 1908. Type. (Figured). (Two pockets of 

 specimens deposited in the Pennsylvania 

 Herbarium of the Carnegie Museum). 

 Same locality March 26, 1910. O. E. J. ; 

 Stoops Ferry, October 7, 1905. O. E. j. 

 and G. E. K.; Liljrary P. O., April 29, 

 1906. O. E. J. 

 Beaver : Beaver Falls, May 11, 1907. O. E. J 



Bedford : Wills Mt., near Hyndman, October 9, 



1904. O. E. J. 

 Butler : Valencia, September 27, 1905. O. E J. 



Fayette : Ohio Pyle, May 30-31, 1908. O. E. J. 



^^'■ashington : Hanlin, May 23, 1908, and Charleroi, 



June 24, 1908. O. E. J. 

 Westmoreland: "Shades," east of Blackburn, March 25, 

 1910. O. E. J. and G. K. J. 

 4. Catharinaea plurilamellata New Species. 

 (Plate XXVII) 

 Loosely cespitose, dark green, dioicous: stems simple or 

 sparsely branched below, slightly radiculose towards the base, 

 about 1.5 cm. tall, erect, flexuous, reddish-brown; lower leaves 

 dark green to purplish, short, becoming abruptly longer above ; 

 upper leaves clustered, erect-spreading to erect, linear-lanceo- 

 late, 4-7 mm. long', .9-1.3 mm. broad, margined, above with 

 chlorophyll, obtuse to sub-acute, toothed on the back towards 

 apex, more or less doubly serrate in the apical third, not very 

 strongly undulate when damp, crisped and circinate when dry ; 

 lamellje 7-12 in number, 8-14 (usually about 11) cells high, 

 smooth or sometimes sparsely minutely papillose, usually oc- 

 cupying from Yi to Ys oi the width of the upper part of the 

 leaf; lower cells rectangular, about .010-.016X-025-.035 mm., 

 the upper rounded-quadrate, about .007-.013 mm., the lower 

 marginal cells linear, incrassate, 2- to 3-seriate and more or 

 less bi-stratose, towards the apex becoming rectangular, with 

 triangular teeth about .025-040 mm. long; perichsetial leaves 

 similar: seta solitary, erect, flexuous, somewhat sinistrorse, 

 about 1.5-2 cm. long, smooth, shining, reddish-brown; capsule 

 oblong-cylindric, 4—5 mm. long, 0.6-0.9 mm. in diameter, erect, 

 arcuate, abruptly tapering at the base, reddish-brown, smooth, 

 shining when fresh; peristome teeth 32, linear-oblong, about 

 0.25 mm. high, reddish-orange along median portion, hyaline 

 towards margins, when young with densely minutely papillose 

 margins, the lower one-fourth portion united into a basal mem- 

 brane; spores smooth, incrassate, orange-pellucid, globose, 



