84 Polygonum sagittatum.
rose-red, and rarely continuing an hour or two expanded. Grows
with the preceding species, and flowers at the same time.
A polymorphous genus, containing twenty-three North American
species, nearly all of which are herbaceous. It is divided into two
sections. First, hairy ochrese, many-flowered, (3-5,) which comprises
twenty species—the second, called Polygonella—having these characters.
Calix five-leaved, ochrern one-flowered; racemes dichotomously
paniculate; leaves spathulate, small, (flowers often dioicous,) stamens
eight, stigmas three, sub-capitate.
The table represents the plant the size of nature.
