POLYSTICHUM ACULEATUM. 



201 



this lobe is decurrent, the rest being undivided, and an auricle 

 taking the place of a lobe. Length of frond from four to 

 six inches, width one inch. Stipes and rachis rather scaly. 

 My thanks are due to the Rev. F. Mules for fronds. 



Fig. loU. 



AcRocLADON, Lowe. (Fig. 159.)— Found near Exeter, by 

 Mrs. Thompson, of South Lawn, Exeter. The handsomest form 

 of Polystichum aculeatum. Length twelve to eighteen inches. 



