Fig. 678. A-F-=Maticuc-cia struthiopteris (L.) Todaro. ^ = one fertile and one sterile leaf, showing 

 habit. i9 = a sterile pinna. C = a fertile pinna. Z' = part of a fertile pinna with venation and sori. 

 ^5" = section through a fertile pinna. i^=sorus with indusium. G-L= Onoclea sensibilis L. G'= habit. 

 /^=sterile pinna. y=fertile pinna. A'=fertile pinnule. Z = sorus with indusium. {A, D-F after 

 Luerssen: /-L after Bauer: B, C, G, ZT after Dials.) From Uiels, Natiirl. Pflanze)ifam. i, 4. 



