86 



FERN GROWING 



duction of three such plants very much increases these odds ; 

 other seedlines in the same batch had the characters of three 



iS. * — Aifo'iis, a seedling from adnlicnnn. Much reduCL'd. 



and four of the Ferns from which the spores were gathered ; 

 on subsequent occasions the author has divided prothalh and 

 produced two plants alike trom the same prothallus. 



* Fie. iS illustrates the next veneration. 



