Figures & data
FIGURE 1. Mean seed to ovule ratio of Cerastium alpinum and Cerastium cerastoides in an experiment with control flowers (untreated), bagged flowers (insect visitation excluded), bagged flowers with manual self-pollination, and supplementary cross-pollinated unbagged flowers at two altitudes (high and low) and at two periods (early and late) at the high altitude. Vertical lines above bars are standard errors. Sample sizes for each bar range from 9 to 15 flowers
TABLE 1 Three-factor fixed model ANOVAs on the effects of pollination treatments (supplemental pollination, pollinator exclusion, and manual self-pollination combined with pollinator exclusion), species (Cerastium alpinum, C. cerastoides) and site/flowering period on the seed to ovule ratio (arcsine-square root transformed) of two species at Finse in 2000. SS (III) = type III sums of squares, df = degree of freedom, MS = mean squares, F = F-ratio, P = significance level