. Evolution and animal life; an elementary discussion of facts, processes, laws and theories relating to the life and evolution of animals . This work ischiefly one of pure selection, for the cross-bred forms seem totend strongly to revert to the ancestral spiny condition. Among the many new flower varieties originated by Bur-bank may be mentioned the Peachblow, Burbank, Coquito, andSanta Rosa roses, the Splendor, Fragrance (a fragrant form),and Dwarf Snowflake callas, the enormous Shasta and Alaska ARTIFICIAL SELECTION 99 daisies, the Ostrich plume, Waverly, Snowdrift, and Doubleclematises, t
. Evolution and animal life; an elementary discussion of facts, processes, laws and theories relating to the life and evolution of animals . This work ischiefly one of pure selection, for the cross-bred forms seem totend strongly to revert to the ancestral spiny condition. Among the many new flower varieties originated by Bur-bank may be mentioned the Peachblow, Burbank, Coquito, andSanta Rosa roses, the Splendor, Fragrance (a fragrant form),and Dwarf Snowflake callas, the enormous Shasta and Alaska ARTIFICIAL SELECTION 99 daisies, the Ostrich plume, Waverly, Snowdrift, and Doubleclematises, the Hybrid Wax Myrtle, the extraordinary Nico-tunia, a hybrid between a large, flowering Nicotiaria and aPetunia, several hybrid Nicotianas, a dozen new gladioli andampelopses, several amaryllids, various dahlias, the Fire poppy(Fig. 65), (a brilliant, flame-colored variety obtained from across of two white forms), striped and carnelian poppies, and ablue Shirley (obtained by selection from the Crimson field poppyof Europe), the Silver Line poppy (obtained by selection froman individual of Papaver umbrosum, showing a streak of silver. FIG. Go.—At left, leaf and flower of the pale yellow poppy, Papaver pilusum; at rightleaf and flower of the snow white poppy, Papaver somniferum; and in the middle,leaf and fire-crimson flower of the first generation hybrid of these two. (Fromphotograph by Burbank.) inside) with silver interior and crimson exterior, and a CrimsonCalifornia poppy (Eschscholtzia), obtained by selection from thefamiliar golden form. Perhaps his most extensive experimenting with flowers has 100 EVOLUTION AND ANIMAL LIFE been done in the hybridizing of lilies, a field in which many plantbreeders have found great difficulties. Using over half a hun-dred varieties as basis of his work Burbank has produced a mar-velous variety of new forms (Fig. 66). Can my thoughts beimagined, he says, in his New Creations of 1893, after somany years of patient care and labor [he had be
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