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Use "varieties" in a sentence
"_variety_; and so long as it was believed that species were separate creations, or at all events had an origin quite distinct from that of varieties, this law could have no exceptions, because, if any two species had been found to be fertile when crossed and their hybrid offspring to be also fertile, this fact would have been held to prove them to be not _species_ but _varieties_."
"So we have within the valleys what they call varieties, but they are not varieties, only seedlings grown from certain seed trees."
"Further, what we call varieties cannot really be distinguished from species in the long run, a fact which we can clearly understand if species once existed as varieties, and thus originated."