"Zinnia" Quotes from Famous Books
 ... ultimately all, with the rarest exceptions, vary to a greater or less extent. In a few cases the requisite number of generations, as well as the successive steps in the progress of variation, have been recorded, as in the often-quoted instance of the Dahlia.[626] After several years' culture the Zinnia has only lately (1860) begun to vary in any great degree. "In the first seven or eight years of high cultivation the Swan River daisy (Brachycome iberidifolia) kept to its original colour; it then varied into lilac and purple and other minor shades."[627] Analogous facts have been recorded with ...
— The Variation of Animals and Plants Under Domestication, Volume II (of 2) • Charles Darwin |
