139 



II. Fronds compound, 2-4 pinnate. 



(a) Rachis naked or slightly scaly. 

 Surfaces naked. 



6. L. sparsa* 



(b) Rachis and surfaces hairy. 



(i) Fronds pinnate above, bipinnate 

 below, the lower basal pinnules 

 of the lowest pinnae the longest 

 and equivalent to some of the 

 upper pinnae in size, shape, and 

 cutting ; ultimate segments 

 finely serrate. 



7. L. dissects 



(ii) Fronds bipinnate ; pinnules cut 

 down almost to the costa, 

 oblong, lanceolate from a broad 

 adnate base which is decurrent 

 so as to form a winged rachis ; 

 segments either lobed or cre- 

 nate. 



8. L. tcnericaulis. 



(Hi) Fronds 3-4 pinnate ; pinnules 

 often over- lapping ; cut down 

 to a winged rachis into oblong 

 ovate segments which are in 



