86 
Sudden Appearance and Constancy. 
Another interesting constant variety is Chelidonium 
majus latipetalum. (Fig. 11), for the possession of which 
I am indebted to Prof. J. W. MOLL in Groningen. It 
differs from C. majus in its petals which are so broad 
that their edges overlap so that they form an unbroken 
Fig. 10. Madia elegans. 
Fig. ii. A, B, Chelidonium majus 
latipetalum. C, D, Chelidonium 
ma jus. 
crown instead of an open cross. I found it to be con- 
stant through several generations. 
The constancy of the fasciated variety of Myosotis 
alpestris; Victoria with its broad, many-petalled central 
flowers, is likewise well known, as is also that of Linaria 
