ROSA CALIFORNICA 
a large number, because they did not answer to the description of 
Chamisso & Schlechtendal’s type. He subsequently modified his 
opinion, but a large number of varieties have been distinguished by 
both Crepin and Watson. Among the principal are Rosa ultra - 
montana of Sereno Watson and Rosa glandulosa of Crepin. Rosa 
calif ornica has been hybridized with Rosa wtgosa Thunb. and is quite 
hardy, but is not often met with in cultivation in England, 
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