OF WESTERX PEXXSYLVAXIA 143 



Fayette : Ohio Pylc, May 30, 1902. J. A. S. ; Ohio 



Pyle. May 13/1905, and fune 14, 1908. 



9- E - J- 



Indiana : Cush Gushing Creek, Cherry Tree, July 



11, 1908. O. E. J. 



Lawrence : Graceland Cemetery, New Castle, 1906. 



Miss Susan Gageby. 



Montour : Top of Montour Mt.. July 17, 1908. O. 



E. J. * ' 



McKean : Bradford, June 7, 1896, and Rutherford, 



June 19, 1896. D. A. B. 



Washington : Linn and Simonton. (Porter's Cata- 

 logue). 



Westmoreland : Chestnut Ridge. Hillside, May 23, 1908, 



and May 22, 1909. O. E. J. 



3i/. Webera nutans var. triciliata New Variety. 



* 



(Plate XVIII) 



Plants iaxl}- to densely cespitose, shining, dark green to 

 yellowish : stem simple or sparsely branched, erect, castaneous, 

 at the base reddish-radiculose, about 6-15 mm. high ; lower 

 leayes short, about 0.5-1.0 mm. long, costate almost to the 

 apex, oyate, aboye the leaves becoming relatively longer and 

 oyate-lanceolate, denticulate towards the apex; upper leayes 

 clustered, erect-spreading, 2.5-4.0 mm. long, lanceolate, sub- 

 decurrent, denticulate at apex, acuminate, non-margined, 

 strongly percurrently to excurrently costate ; perichsetial leayes 

 elongate-lanceolate to linear, long-acuminate, denticulate at 

 apex, excurrently costate ; cells of the lower and median leaves 

 incrassate, aboye the middle oblong-hexagonal to rhomboidal, 

 about .010-.015><.035-.065 mm. elongate-rectangular at base 

 where about .008-.020X-040-. 100 mm"; cells of the comal and 

 perichsetial leayes incrassate, elongate to linear-prosenchyma- 

 tous, about .008-.01lX-040-.065 mm., towards the margin 

 gradually narrower and there reaching .003-.006X-080-.100 

 mm., at the base elongate-rectangular: inflorescence paroicous. 

 terminal ; antheridia in the axils of the comal leayes : pedicel 

 solitary, slender, lustrous, castaneous, erect (rlexuous, about 

 4-6 cm. high ; capsule horizontal to sub-pendulous, smooth, 

 castaneous to yellowish-brown, oyate-oblong, often yery slight- 

 ly curyed, 2.5-3.5 mm. long, when dry and empty contracted 

 under the mouth, the basal third narrowed into a collum ; 

 exothecial cells incrassate, yellowish-pellucid, irregularly sub- 

 quadrate to oblong-hexagonal or elongate-rectangular, about 

 .025-.035X-035-.050 mm., in three to fiye rows under the mouth 

 abruptly smaller, sub-quadrate, somewhat opaque, and about 

 .006-.010X-012-.018 mm. ; annulus broad, reyoluble ; operculum 



