440 



OPHIOGLOSSALES 





KIG. 240. 



Botrychium simplex, Hitchc. Developmental series of forms in alphabetical suc- 

 cession ; <i-f=form simplicissiina, Lasch, that is young stairs , .1" il< \ di>|>ment ; g-k 

 forma incisa, Milde ; and /= transit ion to forma subcomposita, Lasch, ///and /: : in has an 

 enlarged fertile basal segment of the sterile leaf; o-rfonint composite, Lasch ; > with 

 four primary segments of the sterile part. The description is from Luersscn in Raben- 

 liorst's l\ry/>t. Flora, and the drawings were from >pr ( imc-iis in his herbarium. Natural 



