. Vegetable forcing. Forcing (Plants); Vegetable gardening. 408 VEGETABLE FORCING. Fig. 147.—Wooden mushroom houses at Kennett Square, Pa. Botanical characteristics.—The cultivated mushroom so familiar to growers in the United States is botanically known as Agaricus campestris. It consists of a stalk or stipe, varying in height from 2 to 5 inches, and in diameter from T/> inch to 1 inch. The top or expanded part of the mushroom is known as the "cap" or "pileus" ; this varies greatly in thickness and diameter, according to variety, stage of growth and condition under whic
. Vegetable forcing. Forcing (Plants); Vegetable gardening. 408 VEGETABLE FORCING. Fig. 147.—Wooden mushroom houses at Kennett Square, Pa. Botanical characteristics.—The cultivated mushroom so familiar to growers in the United States is botanically known as Agaricus campestris. It consists of a stalk or stipe, varying in height from 2 to 5 inches, and in diameter from T/> inch to 1 inch. The top or expanded part of the mushroom is known as the "cap" or "pileus" ; this varies greatly in thickness and diameter, according to variety, stage of growth and condition under which it is grown. Varietal variations are rather marked, the caps of some being" whitish, while others are creamy white or perhaps brown. The leaflike or gill-like projections on the under side of the cap are termed gills or "lamellae"; these, for a time, are pink in color in the white or cream- colored species, but they subsequently turn brown or brownish black. The dark-colored spores are borne on the gills, and they serve as the reproductive bodies of the mushroom. Spores are the normal propagative bodies of this fungus, but growers do not use them directly in the production of mushrooms, although under favorable conditions they will germinate and ultimately produce a threadlike growth termed the "; Where to grow mushrooms.—The most extensive mushroom plantations in the world are in France. The city of Paris, built of stones largely taken from quarries. 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 Watts, Ralph Levi, 1869-. New York, Orange Judd co.
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