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Show 176 HETEROSTYLED TRIMORPHIC PLANTS. CHAP. IV. TABLE 29. Oxalis speciosa. Number Number Average of Nature of Union. of Number of Flowers CapAules Seeds per fertilised. produced. Capsule. Long-styled form, by pollen of 1 ongest} I stamens of short- styled. Legitimate 19 15 57•4 union. • • • I Long-styled form, by pollen of longest} stamens of mid- styled. Legtt.Imate 4 3 59·0 union • • • • • • • • • • Long-styled form, by pollen . of own-fo~m} mid-length stamens. Illegitimate umon 9 I 2 42·5 I Long-styled form, by pollen of own-form} shortest stamens. Illegitimate union • 11 I 0 0 Long-sty led form, by pollen of shortest} stamens of mid- styled, Illegitimate 4 0 0 uuion • . • • • • • . • • Long-styled form, by pollen of mid-length{ stamens of short-styled. .Illegitimate 12 5 30•0 union. • • • • • • • • • j Mid-styled form, by pollen of mid-length} stamen~ of long- styled. Legitimate 3 3 63·6 union. • • • • • . • • • Mid-styled form, by pollen of mid-length J stamens of short-styled. Legitimate I 4 4 56•3 union. . . . . . . • . . Mid-styled form, by mixed pollen from} both own- form longest and shortest 9 2 19 stamens. Illegitimate union • • • Mid-styled form, by pollen of longest )I stamens ~f ~hor~-st~le~. ~lle~iti~at~ 8 1 12 1 union. . I CnAP. IV. OXALIS SPECIOSA. 177 TABLE 29-continued. OxaUs speciosa. Number Number Av~rage Nature of Union. of of Number of Flowers Capsules Seeds per fertilised. produced. Capsule. - ---- Short-styled form, by pollen of •hortest l stamens of mid- styled. Legitimate 3 2 67 union. • • • . • • • • . Short-styled form, by pollen of short.est I stamens of long- styled. Legitimate union. • • • • • . • • 3 3 54·3 ------- -- Short-styled form, by pollen of own-form}' longes~amens. Illegitimat~n~l 5 1 I 8 ---- Short-styled form, by pollen of own-form} mid-length stamens. Illegitimate union 3 0 I 0 1 Short-styled form, by both pollens mixed t togethe1·, of own-form longest and mid-length stamens. Illegitimate union • J 13 0 0 Short-styled form, by pollen of longest) stamens of mid- styled. ~lle~iti~at~ 7 0 0 union. - -- Short-styled form, by pollen of mid-length) stamens of long- styled. Illegitimate union. • • • • • • • . • 1G 1 54 We here see that thirty-six flowers on the three forms legitimately fertilised yielded 30 capsules, these containing on an average 58· 36 seeds. Ninety-:five. flowers illegitimately fertilised yielded 12 capsules, containing on an average 28 ·58 seeds. Therefore the ~ertility of the six legitimate to that of the twelve Illegitimate unions, as judged by the proportion of ~owers which yielded capsules, is as 100 to 15, and Judged by the average number of seeds per capsule as 100 to 49. This plant, in comparison with the two South American species previously described, produces N |