100 



ATHYRIUM FII.IX-FCEMINA, 



--^SS 



Fig. 42.5.— Middle pinna. 



Imbricatum, Clapham. (Fig. 4.^25.) — Gathered in August, 

 1863, rather abundantly at Ilkley, by Mr. A. Clajjham, of 

 Scarborough. An interesting imbricated variety, eighteen 

 inches in length. Fronds narrow at the base, gradually 

 widening, becoming widest beyond the centre of the frond. 

 Sori most abundant, covering the whole under side of the 

 segments v/ith a densely thick confluent mass, and from the 

 segments curling over, shewing on the opposite side so as to 

 become suprasoriferous. Stipes naked for five inches, then the 

 sub-opposite pinnae distant, becoming approximate and alternate 

 above. I am indebted to Mr. Clapham for fronds. 



Fig. 426.— Middle pinna. 



Phylloideum, Lowe. (Fig. 4.'2G.) — An interesting variety 

 raised from spores at Highfield House by myself. Length 

 twenty inches, width nine inches in the widest part, becoming 

 narrower to the base and the apex, acuminate at the apex. Pinna? 

 in centre of the frond five inches long and one inch and a 

 half broad, their apices acuminate. Pinnules very leafy, blunt- 



