Table 1.

Proportion of viable generative cell nuclei at mitosis or beyond, in single-species (separate styles) and mixed-species (same style) crosses

Maternal species	Single species		Mixed species
	Con ♂	Het ♂	Con ♂	Het ♂
Water (2x)	0.706	0.470	0.799	0.551
	(379)	(204)	(256)	(91)
Paper (6x)*	0.743	0.455	0.815	0.487
	(433)	(25)	(285)	(29)

Con, conspecific; Het, heterospecific. Sample size in parentheses. *Excluding one individual; see text.