LASTREA DILATATA. 



323 



E.OBUSTA, Moore. — Found in the Lowlands of Dumfriesshire. 

 A distinct variety, with tall very stout fronds. Pinnules 

 crowded, broadly-ovate, and stalked. The basal lobes are more 

 ovate than oblong. The teeth are small, but spreading in the 

 way of collina and grandidens. 



Ramosa-xana, Moore. — Found by Messrs. Stansfield, of 

 Todmorden. A most singular dwarf variety. Length of fronds 

 only a few inches. The fronds having uneven branch-like 

 pinna, as in Athyrium Jilix-fcemina, var, crispum; pinnules 

 interrupted, irregular, varying both in size and form. 



Fig. 272.— Portion of Frond. 



Injequalis, Moore. (Fig. 272.) — Fronds small, six inches to 

 one foot in length, and three to six inches in breadth. Outline 

 triangular, acuminate, pinna; triangular, long-pointed; pinnules 

 unequal, narrow, serrate. A dwarf variety, found in the Vale 

 of Todmorden in 1860. 



Interrupta-Barnesii, Lowe. — Found in 1861 on Witherslack 

 ]\Ioss by Mr. Barnes. This variety is allied to interrupta, yet 

 is more slender and attenuated than the interrupta found by 

 Mr. Clapham at Harrogate. The pinnae are more distant, and 

 the pinnules narrower. Length of frond twelve inches, width 

 scarcely three inches, 



Blakei, Moore. — Found near Aberdeen, and named after 

 the discoverer Mr. James Blake. A most striking Fern. Tall, 

 and upright in its habit, not unlike the variety alta, and 

 evidently a depauperated form of that Fern. The whole frond 

 is affected with irregular development. Mr. Moore remarks 



