The outer coat is sometimes close and even, and fitted to the kernel, as in this Morning-glory, (Gray, 1858).

Seed-coat

The outer coat is sometimes close and even, and fitted to the kernel, as in this Morning-glory, (Gray,…

The outer coat is extended into a thin border or wing as in this Trumpet Creeper, (Gray, 1858).

Seed-coat

The outer coat is extended into a thin border or wing as in this Trumpet Creeper, (Gray, 1858).

The outer seed-coat of the milkweed is furnished with a tuft of long hairs, (Gray, 1858).

Seed-coat

The outer seed-coat of the milkweed is furnished with a tuft of long hairs, (Gray, 1858).