ATHYRIl'M FILIX-FGEMINA. 



107 



bartonshire, by Mr. T. Moore. Fronds somewhat lax and 

 broadly-lanceolate in form, being tliirty inches in length. Pinnae 

 somewhat distant, linear-oblong, and acuminate. Pinnules 

 brief, ovate-oblong, distinct, broad at the base, with a narrow 

 attachment; the tips narrowed, but blunt. Not conspicuously 

 divided. Teeth short and blunt. Sori in two lines near the 

 midrib. This variety is not so much divided, and ha.s broader 

 pinnides than incismn. 



Fig. 438.— Portion of pinna. 



Abasiphyllum, Lowe. (Fig. 438.) — Length two feet. A 

 slender interesting form, named abasiphyllum on account of 

 the absence of the leafy part of the superior (sometimes both) 

 basal segments of the pinnules. Found in 1868, at Ilfracombe, 

 by Mrs. Thompson, of South Lawn, Exeter. Pinnae and apex of 

 the frond flexuose, pinnae approximate. Pinnules leafy, simple, 

 but deeply cut, the segments broad and dentate. The basal 

 superior (and sometimes the inferior) segment of nearly all 

 the pinnules all but absent, there being no leafy portion; a 

 brief stalk, terminating in a sorus, which, being at the extreme 

 end, is also suprasoriferous. The sori situated close to the 

 costa, and oval in form. My thanks are due to Mrs. Thompson 

 for fronds. 



