Abstract
Results obtained from 18 interspecific crosses between seven New Zealand species of Epilobium and seven European species were: The strains referred to in an earlier paper as E. erectum Petrie are now considered to be E. adenocaulon Haussk., a North American species adventitiously introduced to New Zealand. The results of crossing E. adenocaulon with 26 New Zealand species and with some European species are summarised.

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