A. Elaphoglossum. 



B. SXENOOHLiENA. 



0. Chrysodium. 



HYBRTDUM, BoriJ. 



175 



AcROSTiOHUM, Linn. 



Fronds simple. Veins free. 



Barren fronds pinnate, veins free. 



Barren fronds pinnate, veins anastomosing. 



A. Elaphoglossum. 



Margins of fronds ciliated. 



Margins of fronds not ciliated. 



1 Barren fronds ovate or ovate-acuminate. 



On wet rocks in Midlands at 3000 to 5000 

 feet alt. 

 1 Barren fronds linear or strap-shaped. 



On wet rocks in Midlands. 

 1 Plant small, surface of fronds densely scidy. 



On moist rocks, Midlands and Upper Districts. 

 2 Fertile fronds mucli the narrowest. latifolidm, Su'. 



On rocks in shade. Midlands. 

 2 Fertile frond equalhng or exceeding the 



barren one in breadth. ojnforme, Sv\ 



On rocks and trees, Upper Districts. 



B. Stbnochl^na. 



Fertile frond bipinnate, the pinnae much con- 

 tracted . Climber. 

 Climbino- trees. Coast to 2500 feet alt. 



AUBEHTIl, Besv. 

 SPATHDLATUM, Bory. 



TENUiFOLiUM, Baker. 



Mostly in swamps. 



(J. Chrysocoma. 



Fronds erect, upper pinna^ only, fertile. auredm, Linn. 



Near the Sea Coast. Shores of Natal Bav. 



D. OSMUNDACE^. 



Fertile fronds much contracted. 

 Fertile pinnae at base of fronds only. 



Osmunda, Linn. 

 The only species. 



All over the Colony. 



Todea, Wllld. 

 The only species. 



By streams and in moist places, Coast to 

 3000 feet alt. 



E. SCHIZEACEiF. 



Fronds rush-like. Fructification spicate. 

 Fronds leafy, fructification paniculate. 

 Fronds leafy, fructification dorsal. ^ 

 Fronds leafy, fructification on margin of frond. 



Osmunda. 

 Todea. 



REGALIS, Linn. 



BARBARA, Moore. 



schizaea. 



Anemia. 



MOHRTA. 



Lygodium. 



