44440 OPHIOGLOSSALES 
he daa, 
7 
Fic. 240. 
Botrychium simplex, Hitchc. Developmental series of forms in alphabetical suc- 
cession ; a-/=/orma simplicissima, Lasch, that is young stages of development; g-k= 
Jorma incisa, Milde; and /=transition to forma subcomposita, Lasch, mand 1; wz has an 
enlarged fertile basal segment of the sterile leaf; 0-r=/orma_contfosita, Lasch ; ry with 
four primary segments of the sterile part. The description is from Luerssen in Raben- 
horst’s Kryft. Flora, and the drawings were from specimens in his herbarium. Natural 
size. 
