NOTABLE FERN FAMILIES 



PHEGOPTERIS (Beech Ferns) 



Medium-sized or small ferns, with 2-3 pinnatifid or ternate 

 leaves, and small, round, uncovered fruit-dots ; sporangia as above. 



WOODWARDIA (Chain Ferns) 



Large and rather coarse ferns of swamps or wet woods, fronds 

 pinnate or nearly twice-pinnate ; fruit-dots oblong or linear, sunk 

 in cavities of the leaf and arranged in chain-like rows ; indusium 

 lid-like, somewhat leathery, fixed by its outer margin to a veinlet ; 

 veins more or less reticulated ; sporangia as above. 



ASPLENIUM (Spleenworts) 



Large or small ferns, with varying fronds and linear or oblong 

 fruit-dots ; indusium straight or curved ; sporangia as above. 



PELL^EA (Cliff Brakes) 



Small or medium-sized rock ferns, with pinnate fronds and 

 sporangia borne beneath the reflexed margins of the pinnae ; spor- 

 angia as above. 



BOTRYCHIUM (Moonworts) 



(Belonging to the Fern Allies) 



Fleshy plants, with fronds (usually solitary) divided into a sterile 

 and a fertile portion, the bud for the succeeding year embedded in 

 the base of the stem. 



