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"Moquileae canomensis. 1. a flower; 2. an ovary; 3. a perpendicular section of the last; 4. a fruit; 5. a kernel." -Lindley, 1853

Couepia

"Moquileae canomensis. 1. a flower; 2. an ovary; 3. a perpendicular section of the last; 4. a fruit;…

"One of the numberless microscopic bodies contained in semen, to which the seminal fluid owes its vitality, and which are the immediate and active means of impregnating or fertilizing the ovum of the female... I. broadest view; II. profile, of k, kernel or nucleus of the head, and m, filamentous body, ending in s, the long slender tail." —Whitney, 1889

Human Spermatozoa

"One of the numberless microscopic bodies contained in semen, to which the seminal fluid owes its vitality,…

Illustration of two small corn (maize) kernels being eaten by maggots. One maggot is still inside one of the kernels.

Maize Kernels Destroyed by Maggots

Illustration of two small corn (maize) kernels being eaten by maggots. One maggot is still inside one…

"One of the numberless microscopic bodies contained in semen, to which the seminal fluid owes its vitality, and which are the immediate and active means of impregnating or fertilizing the ovum of the female... I. broadest view; II. profile, of k, kernel or nucleus of the head, and m, filamentous body, ending in s, the long slender tail." &mdash;Whitney, 1889 <p>Illustration of two spermatozoa from an ape.

Spermatozoa of an Ape

"One of the numberless microscopic bodies contained in semen, to which the seminal fluid owes its vitality,…