He experimented on some of the very same species as did Gartner.

The difference in their results may, I think, be in part accounted for by Herbert's great horticultural skill, and by his having hot-houses at his command.

Of his many important statements I will here give only a single one as an example, namely, that "every ovule in a pod of Crinum capense fertilised by C.

revolutum produced a plant, which I never saw to occur in a case of its natural fecundation.

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