BRITISH FERNS 





F'g' 2 39- ^ ""i' prolifertim. 



Proliferum (Figs. 239 and 240). — This constitutes a section in 

 which the subdivisions are very narrow and acutely pointed, for 

 which reason it is also termed acutilobum, a character which appears 



Fig. 240. P. ang. pro. Wollastonii. 



to be generally correlated with proliferation, bulbils appearing in 

 the axils of the pinns and even of the pinnules so profusely, some- 

 times, that the whole centre of the frond presents a mossy appear- 

 ance ; the fronds are long, and of lax-growing habit. 



