LASTREA DILATATA. 



295 



doubt become more perfectly crested. A much more crested 

 variety was found in Devonshire by the late Mr. C. Jackson, 

 which is now in the possession of Mr. G. B. ^VoUaston, of 

 Chiselhurst. Subsequently Mrs. Thompson, of Exeter, found a 

 crested variety in Devonshire, which assumes this form in a 

 marked degree. My thanks are due to Mr. R. Sim, of Foot's 

 Cray, and to Mrs. Thompson, of Exeter, for fronds. 



Fig. 238.— Basal portion of Frond. 



Ramos A, Mooi'e. (Fig. 238.) — Apparently a ramose form of 

 dumetortim. Usually twin-fronded, but sometimes each twin- 

 frond again divided, forming a large variously-branched flabellate 

 mass of foliage, and is in that state very remarkable. Copiously 

 fertile, and moderately constant. Mr. Monkman's plant, from 

 which the illustration is given, was received from Messrs. 



