8 VERMONT MOSSES. 



Chlorophyllose cells of branch leaves included. medium. 



3.— Branch leaves more or less secund. subsecundum. 



Branch leaves equally spreading. 4- 



^ _Steni leaves not bordered; branch leaves squarrose. squarrosum. 



Stem leaves broadly bordered with narrow cells; branch leaves erect-open. 5. 



5.— Branch leaves with very large pores. 6. 



Branch leaves with very small pores. 8. 



g Stem leaves lacerate fringed at apex, with completely reabsorbed cell-inembraues in 



upper part, without fibrils. Girgensohnii. 



Stem leaves usually dentate at apex, uowhere with completely reabsorbed cell-mem- 

 branes. 7- 

 7.— Branch leaves five-ranked when dry. quinquefarium. 

 Branch leaves not five-ranked when dry. acutifolium. 

 8.— Pendent branches concealing the stem; cuticular cells thin aud indistinct; cells of 

 border of stem leaves rather short. recurvum. 



Pendent branches not concealing the stem; cuticular cells distinct; cells of border of 

 stem leaves narrow and elougated. cuspidatum. 



S. acutifolium Ehrh. In swampy places everywhere. 



The reddish purple form is frequent and is probably rar. purpnrnnn 

 Scliimp. 

 S. cuspidatum Ehrh. Branch Pond, Sunderland, G. 



S. cuspidatum Torreyi (Sulliv. ) Braith. IMuddy Pond AVoods, West Kox- 

 bury, Yt., July 15, 1881, P. 

 The stem leaves of Mr. Pringle's specimens are fibrillose above; other- 

 wise they answer to Braitliwaite's figure and description with great exact- 

 ness. 



S. cymbifolium (Ehrh.) Hedw. Frequent. Monkton and Starksboro, P; 

 Mt. Mansfield and Burlington, G. 



S. Girgensolinii Buss. {S. .s//v"c/(t//( Lindb. ) Not rare. IMt. Manslield, /'; 

 Smuggler's Notch and Burlington, G. 



S. medium Limpr. var. laeve Warnst. Near Willoughby Lake, F. 

 ( Det. Warnstorf. ) 



S. quinquefarium (Braith.) Warnst. (»S'. acidifolium qxihufufarininijvvaiX)..) 

 Stowe, B. 



S. quinquefarium viride Warnst. Cliffs of Mt. Hor, Willoughby Lake, F. 



S. recurvum (P. Beauv. ) R. & W. var. parvifolium Warnst. Stowe, Vt., 

 B. (Det. AVarnstorf.) 



S. squarrosum Pers. Frequent. 



S. subsecundum Nees. Colchester, P. 



