"Follicle. Fruit of Larkspur. A dry one-celled seed-vessel consisting of a single carpel, and dehiscent only by the ventral suture, as in the milkweed and larkspur." -Whitney, 1911

Larkspur Follicle

"Follicle. Fruit of Larkspur. A dry one-celled seed-vessel consisting of a single carpel, and dehiscent…

"Pistia Stratiotes. 1. A spathe with its 2 flowers; 2. a section of a seed-vessel; 3. a seed; 4. the same cut perpendicularly." -Lindley, 1853

Water Cabbage

"Pistia Stratiotes. 1. A spathe with its 2 flowers; 2. a section of a seed-vessel; 3. a seed; 4. the…