Es ist damit erwiesen, dass von jenen Formen, welche in der ersten Generation das dominirende Merkmal besitzen, zwei Theile den hybriden Character an sich tragen, ein Theil aber mit dem dominirenden Merkmale constant bleibt.
It is thus proven that, of those forms that possess the dominating trait in the first generation, two parts carry the hybrid character, whilst one part remains constant with the dominating trait.

forms = Formen See p. 3, s. 8.

first generation = ersten Generation Refers to what we would call F2 today (see p. 12, s. 3).

character = Character See p. 7, s. 8.

constant = constant See p. 5, s. 5.

dominating = dominirende See p. 10, s. 14.