It is exceptionally nutritious, but it disappears altogether in the dry season because of its short roots.
Everta) has a very large proportion of the " endosperm " - the nutritious matter which with the small embryo makes up the grain - of a horny consistency, which causes the grain to pop when heated, that is to say, the kernel becomes turned inside out by the explosion of the contained moisture.
Nutritious possibilities are implied in Diastylis rathkii, Kroyer, one of the largest forms, which, though slender and rarely an inch long, in its favourite Arctic waters is found "in incalculable masses, in thousands of specimens" (Stuxberg, 1880).
The hills and mesas covered with the nutritious grama grass form excellent grazing grounds, which are most extensive in Bernalillo, Guadalupe, Rio Arriba, San Miguel, Union and Valencia counties.
Another nutritious lichen is the " Tripe de Roche " of the arctic regions, consisting of several species of the Gyrophorei, which when boiled is often eaten by the Canadian hunters and Red Indians when pressed by hunger.