It is, however, probable, from reasons which I have assigned in my memoir, that this will have occurred only with plants which had already acquired the power of revolving, and had thus become twiners.
Daitekeena da, hala ere, neure txostenean azaldu ditudan arrazoiengatik, hau, biratzeko ahalmena berenganduriko eta era horretan kiribilkari bihurturiko landareei bakarrik gertatu izana.