In numerous other cases, far from self-fertilisation being favoured, there are special contrivances which effectually prevent the stigma receiving pollen from its own flower, as I could show from the works of Sprengel and others, as well as from my own observations:
Beste kasu asko eta askotan, autoernaltzea faboratua egotetik urrun, mekanismo bereziak daude lore beretik polena hartzen galarazten dutenak, Sprengelen eta beste batzuen lanen bidez, eta neure azterlanez ere, demostra nezakeenez: