sentence: Measurements of the lengths of caulonemal cells also present in the protonemata of sbh mutants and WT did not differ significantly at 14 and 35 days ( Table S4 ) suggesting that caulonemal cell growth is not as dependent upon t18 :0 or a functional C ‐ 4 hydroxylase.The gametophores of sbh mutants were much smaller than their wild type counterparts ( Figure 8) .