192 



FERNS : BRITISH AND FOREIGN. 



31. P. esculenta, Forst.; Sclik. Fil. t. 97. Australia and 

 New Zealand. 



97. LITOBROCHIA, Presl ; J. 8m. 



Vernation fasciculate and erect or decumbent, or uniserial 

 and sarmentose. Fronds smooth, pinnate or bi-tripinnate, 

 18 feet high ; ultimate pinnae sinuose-lobed or pinnatifid. 

 Veins elevated ; only the lower venules anastomosing, or the 



Genus 97. Fertile pinna, under side. No. 7. 



