482 



A TEXTBOOK OF THEORETICAL BOTANY 



Fig. 469. — Dryopteris filix-mas. Full-grown plant. 

 Much reduced. 



Fig. 470. — Dicksonia sp. Tree ferns at Caerhays Castle, 



Cornwall. 



Reproduced from a photograph by Mr R. A. Malby,from the ^^ Journal of 

 the Royal Horticultural Society." 



