In addition to being the obligate food source for monarch caterpillars, milkweeds also provide abundant nectar for the adult butterflies.

A wristband frets on the edges.

Although the toxicity of inorganic arsenic is well established, arsenobetaine (from fish) is considered essentially nontoxic because it passes through the body unmetabolized; other organic forms such as dimethylarsenate, arsenolipids, and arsenosugars have uncertain toxicity.

In the mean time, I lay fairly exposed to the examination of his eyes and hands, quiet and unresisting