THE SHIELD FERNS. 
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times a solitary bud is formed just where the leafy portion 
commences. 
P. ang. revolvens (rolled back). Pinnules curved back, 
forming frond into tube. 
P. ang. rotundatum (rounded) (11). Yery distinct. Pinnules 
very nearly round. 
P. ang. ramo-furcillatum (fork-branched), Allchin. A 
very much-branched form, fronds and divisions splitting re- 
peatedly, but not cresting. 
P. ang. tripinnatum (thrice-pinnate), Gillett, Padley. Yery 
delicate forms, divided to pinnulets. 
P. ang. Thompsouiae (Thompson’s) (5). A very beautifully 
crested form. Wild find. 
