( 55 ) 
POLYSTICHUM ACULEATUM. 
Fronds. Stiff, and slightly 
prickly. 
Pinnules. Decurrent. 
POLYSTICHUM LOBATUM , 
variety LONCHITIDIOIDES. 
Pinnules. Separate. 
Texture. Thin. 
Fronds. Slightly prickly and 
rigid. 
Colour. Dark, dull green. 
POLYSTICHUM ANGULARE. 
Fronds. Soft and lax. 
Pinnules. Distinctly stalked. 
POLYSTICHUM LONCHITIS 
Pinnules. Overlapping. 
Texture. Leathery. 
Fronds. Very prickly and 
rigid. 
Colour. Dark, shining green. 
