( ( The ( megaspore ( mother cell ) ) ) ( ( ( divides ( by meiosis ) ) ( to ( produce ( four ( haploid megaspores ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (JJ megaspore) (NN mother) (NN cell)) (VP (VBZ divides) (PP (IN by) (NP (NNS meiosis))) (S (VP (TO to) (VP (VB produce) (NP (CD four) (JJ haploid) (NNS megaspores)))))) (. .)))
The megaspore mother cell divides by meiosis to produce four haploid megaspores.
(ROOT (S (NP (NNP Daughter) (NNS cells)) (VP (VBP divide) (PP (IN by) (NP (NNS meiosis)))) (. .)))