64 



INDErENDENCE OR SEPARAT[ON OF OEGANS. 



of France (April 3rd, 1858) exhibited a leaf of Ceramts 

 LaurO'Cerasns divided in such a manner as to resemble 

 a leaf of Citrus^ or of rhyllarthnm. In this case, there- 

 fore, the disunion must have taken place laterally, and 



Flo. 28. Bifurcated frond, Scolopendrium, vulgare. 



not from apex towards base, as is most common. 

 The leaves of the common horseradish, Corhlraria 

 Armoraciay are very subject to this pinnated subdi^^sion 

 of the margin, and numerous other illustrations might 

 be given. 



A. Braun describes a sinefular case in a leaf of Trlna 



