Gives details of some crossing experiments with Eschscholzia.

Describes the grass Streptochaeta, which FM believes to be a primitive grass.

Relates some observations on maize that are well explained by Pangenesis.

Describes experiments with sterility in Abutilon.

Describes hermaphroditism in a wild Begonia in Brazil.

Has been observing humble bees on Salvia.

FM much gratified by the appearance of Für Darwin translation.

Discusses dimorphism in Rubiaceae.

Describes experiments to test the fertility of Abutilon, which appears self-sterile,

and briefly mentions dichogamy in Eschscholzia.

Discusses dimorphic and trimorphic plants; mentions especially Rubiaceae and a dimorphic monocotyledon.

Notes observations on the monstrous male flowers of Begonia,

and on self-sterile plants.