38 



A MANUAL OF MOSSES 



rather incrassate, irregularly elongate-hexagonal or rectangu- 

 lar-oblonu, two or three rows at the rim much smaller and 

 darker; spores smooth, rather thin-walled, yellowish-pellucid, 

 mature in May or June. 



Cosmopolitan on burnt-over ground, roadsides, vacant lots, 

 roofs, bare clay soil, etc. Very common in our region, 



Allegheny 



Erie 



Fayette 

 Lawrence 



About 20 different collections examined 



from various localities. 

 Beaver : Beaver, April, 1902. Miss Anna M. Deens. 



Butler : Buffalo Creek, near Winfield Junction, 



May 26, 1906. O. E. J. 

 Cambria : Cresson, May 18, 1904. O. E. J. 



Center : Barrens, near Scotia, July 16, 1909, and 



on Bald Eagle Ridge, near Matternville, 



September 20, 1909. O. E. J. 

 Clinton : Lock Haven, July 15, 1908. O. E. J. 



Crawford : Linesville, June 6, 1904, May 10-11, 1906, 



June 11-12, 1907, and May 12, 1908. O. 



E. J. ; Hartstown, May 29-31, 1909. O. E. 



J. and G. K. J. 

 : On sand-plain, Presque Isle, ]May 15 and 



June 10-11, 1905, and May 8-9. (Figured) 



and September 20-22, 1906. O. E. J. 

 : Ohio Pyle, June 14, 1908. O. E. J. 



Graceland Cemetery, New Castle, Miss 



Susan Gageby; in gorge below Ellwood 



City, June 26, 1909. O. E. J. 

 McKean : Langmade, April 26, 1896. D. A. B. 



Somerset : Ursina, May 12, 1905. O. E. J. 



Washington : Hanlin, May 21, 1907, and Charleroi, 



April 24, 1908. O. E. J. 

 Westmoreland : Hillside, May 19, 1906, and May 22, 1909, 



"Shades," near Blackburn, June 13, 1908. 



O. E. J. 



6. SELIGERIA Bryologia Europaea. 



Autoicous : minute, gregarious, or cespitose, rupestral : 

 stem simple or branched at base, rarely with long sterile 

 shoots; leaves in 3 to 5 series, the lower minute and distant, 

 the upper abruptly larger and canaliculate-subulate from a con- 

 cave lanceolate base ; costa often stronger above the base ; alar 

 cells not differentiated : seta mostly erect, but little longer than 

 involucral leaves; capsule globose-pyriform, smooth; colluin 

 distinct ; annulus none ; peristome deeply inserted, or rarely 

 none ; when present, teeth broadly lanceolate, usually entire, 

 truncate or acute ; operculum obliquely rostrate ; calyptra cucul- 

 late. 



