. Nature-study; a manual for teachers and students. Nature study. 394 NATURE-STUDY the stem. Compare with younger plants. In these there is a membrane stretched across the gills from the cap to the stem which later tears away from the cap, and adheres as a ring to the stem. The spores and gills are at first white, then, as the mushroom becomes older, turn pink, then brown. In the field agaric there is no mem- branous cup at the base of the stalk. Note this, by carefully digging up a plant so as to get all of the stem. This species and hundreds of other fungi are edi- ble. Their nutritive value
. Nature-study; a manual for teachers and students. Nature study. 394 NATURE-STUDY the stem. Compare with younger plants. In these there is a membrane stretched across the gills from the cap to the stem which later tears away from the cap, and adheres as a ring to the stem. The spores and gills are at first white, then, as the mushroom becomes older, turn pink, then brown. In the field agaric there is no mem- branous cup at the base of the stalk. Note this, by carefully digging up a plant so as to get all of the stem. This species and hundreds of other fungi are edi- ble. Their nutritive value, however, is not very great. Technically there is no distinction between "mushroom" and "; The unsci- entific, however, generally limit the term mushroom to the edible forms, and the lat- ter term to the non-edible and poisonous. A number of fungi are very poisonous, and many people are killed by carelessly gather- ing and eating them. One should not at- tempt to gather mushrooms for eating, un- less thoroughly acquainted with the common Fig. 170. Amanita, edible and dangerous kinds. There are (Poisonous.) 1 r • 1 a only a lew poisonous mushrooms. A com- mon very poisonous form, the deadly amanita {Amanita phal- loides) usually grows in the woods, though it may occur in pas- tures and fields with edible mushrooms. This fungus looks much like the edible field agaric, but may be distinguished from it by the fact that its spores are white, not brown, in ma- turity. Moreover, it has a cup-like envelope around the stem. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Holtz, Frederick Leopold, 1870-. New York, C. Scribner's Sons
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