GUIDE 



56. NORTHERN WOODSIA 



Woodsia hyperborea 



Very small, smooth or nearly so, fronds narrowly oblong-lan«;e-»- 

 late, once-pinnate, pinnae cordate-ovate or triangular-ovate, f-7 

 lobed. On moist rocks. P. 203. 



57. SMOOTH WOODSIA 



Woodsia glabella 



Very small, smooth throughout and delicate, fronds linear, cnce- 

 pinnate, pinnae roundish ovate, lobed. On moist rocks. P. 206. 



SI 



