[253]

seems to have been good: this was observed on three plants, & for three years, but & on 3d year then this kind of sterility was he found variable this sterility & not affecting from time to time all the same & other plants, sometimes on the male side, sometimes female, sometimes both sexes the Verbascum phœniceum, though an European plant, did not grow wild in Kölreuter's immediate neighbourhood. — Verbascum phœniceum.

[253v]

In these several curious cases, more especially in those which a cross occasionally occurrent, we must suppose that the plants are in an abnormal state; thus they are though apparently not to the eye in any way imperfect, & though both pollen & ovaries are [text excised] capable of performing their proper function when