OF WESTERN' PEXXSYLVAXIA 179 



Florida, in the cooler portions. Common but only occasional- 

 ly fruiting" in our region. 



Allegheny : Flood-plain of Brush Creek, Douthett. 



April 26, 1908. O. E. J. and G. K. J. 



(Figured). 

 Armstrong : Face of dripping sandstone cliff, West 



Winfield, June 20, 1904. O. E. J. 

 Center : Matternville Gap, Bald Eagle Mt., July 



15. 1909. O. E. J. 

 Clinton : Flood-plain of Hyner Run, July 14, 1908. 



O. E. J. 

 Fayette : In crevices of rocky river-bed, Ohio Pyle, 



September 1-3, 1906. O. E. J. 

 Huntingdon : Roadside-ditch, Huntingdon, July 20, 



1908. O. E. J. 

 Indiana : Along- Gush-Gushing Creek, near Grant. 



July 12, 1908. O. E. J. 

 LycominL: : Swampy flood-plain near \Yilliamsport, 



July 16; 1908. O. E. J. 

 McKean : Bradford, April 14, 1893. July 4, 1895, 



May 23 and July 7, 1897. and Quintuple, 



June 9, 1897. D. A. B. 

 Westmoreland : Greensburg, May 27, 1893. Miss Kath- 



erine Holmes. 



3<7. Philonotis fontana variety falcata Bridel. 

 Leaves falcate-secund ; branches hooked towards the apex. 

 Center : Matternville Gap. Bald Eagle Mt., July 



15, 1909. O. E. J. 



Family XIX. TIMMIACEAE. 



Dioicous or autoicous ; robust, in more or less high, lax, 

 dull-green to yellowish-green tufts, brownish inside, with a 

 brown tomentum below : stem erect or procumbent, with cen- 

 tral strand, densely-leaved, simple or dichotomous : leaves 8- 

 seriate, of uniform length, from a half-sheathing, non-decurrent 

 base spreading to recurved, elongate lance-linear, carinate; 

 lamina unistratose. channeled to concave, non-bordered, ser- 

 rate : costa strong, percurrent, often dorsally toothed above, 

 with several median guides : leaf-cells screen, small, rounded to 



c> o 



4-6-sided, ventrally mamillate ; cells of the sheathing part with- 

 out chlorophyll, sometimes dorsally papillose, elongate-rectan- 

 gular to linear, narrow towards the margin : sporog'onia soli- 

 tary ; seta long, erect ; capsule cernuous to almost pendent, 

 from a short collum oblong-oval, brown, not or but slightly 

 striate, when dry ribbed ; annulus revoluble ; peristome in- 

 serted back from the edge of the mouth, always double, the 

 inner as long as the outer, when dry the parts sharply bulged 

 outwards in the middle; teeth confluent at the base, broadly 



