Ipomoea purpurea—­ninth generation:  number of capsules on crossed plants to those on self-fertilised plants, spontaneously self-fertilised under a net:  26.

Mimulus luteus—­an equal number of capsules on plants descended from self-fertilised plants of the 8th generation crossed by a fresh stock, and on plants of the 9th self-fertilised generation, both sets having been left uncovered and spontaneously fertilised, contained seeds, by weight:  30.

Mimulus luteus—­productiveness of the same plants, as judged by the number of capsules produced, and the average weight of seeds per capsule:  3.

Vandellia nummularifolia—­seeds per capsule from cleistogene flowers on the crossed and self-fertilised plants, in number:  106.

Salvia coccinea—­crossed plants, compared with self-fertilised plants, produced flowers, in number:  57.

Iberis umbellata—­plants left uncovered in greenhouse; intercrossed plants of the 3rd generation, compared with self-fertilised plants of the 3rd generation, yielded seeds, in number:  75.

Iberis umbellata—­plants from a cross between two varieties, compared with self-fertilised plants of the 3rd generation, yielded seeds, by weight :  75.

Papaver vagum—­crossed and self-fertilised plants, left uncovered, produced capsules, in number:  99.

Eschscholtzia californica—­Brazilian stock; plants left uncovered and cross-fertilised by bees; capsules on intercrossed plants of the 2nd generation, compared with capsules on self-fertilised plants of 2nd generation, contained seeds, in number:  78.

Eschscholtzia californica—­productiveness of the same plants, as judged by the number of capsules produced, and the average number of seeds per capsule:  89.

Eschscholtzia californica—­plants left uncovered and cross-fertilised by bees; capsules on plants derived from intercrossed plants of the 2nd generation of the Brazilian stock crossed by English stock, compared with capsules on self-fertilised plants of 2nd generation, contained seeds, in number:  63.

Eschscholtzia californica—­productiveness of the same plants, as judged by the number of capsules produced, and the average number of seeds per capsule:  40.

Reseda odorata—­crossed and self-fertilised plants, left uncovered and cross-fertilised by bees; produced capsules in number (about):  100.

Viola tricolor—­crossed and self-fertilised plants, left uncovered and cross-fertilised by bees, produced capsules in number:  10.

Delphinium consolida—­crossed and self-fertilised plants, left uncovered in the greenhouse, produced capsules in number:  56.

Viscaria oculata—­crossed and self-fertilised plants, left uncovered in the greenhouse, produced capsules in number:  77.

Dianthus caryophyllus—­plants spontaneously self-fertilised under a net; capsules on intercrossed and self-fertilised plants of the 3rd generation contained seeds in number:  125.