Bei diesen beiden Versuchen waren daher viererlei Samen zu erwarten, nämlich: runde gelbe, runde grüne, kantige gelbe, kantige grüne.
In these two trials, therefore, four kinds of seed were to be expected, namely: round yellow, round green, angular yellow, [and] angular green [ones].
trials = Versuche See p. 3, s. 6.
four kinds = viererlei On the suffix -lei see p. 42, s. 4.