THE POLYSTICHUMS 





PLUMOSISSIMUM (Fig. 238).—A most extraordinary development, 
as our figure shows, raised by Mr. Birkenhead, the fronds re- 
presenting dense masses of moss-like verdure, growth hardly seeming 
to be able to cease; the plant still exists, but requires extremely 
favourable conditions to equal its portrait, preferring, as a rule, 
to remain as a prettily divided plumosum. 
PoLYDACTYLUM WoLLAsTON.— Found Somerset; pinnae small 
crested, fronds heavily tasselled. 
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