Definition of "fistulose" []

• Formed like a fistula; hollow; reed-like. (adjective)

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• "The stem is cartilaginous as in _Collybia_, and is usually hollow or fistulose."
• "The = stem = is cylindrical, equal, smooth, fistulose, of the same color as the pileus, becoming darker, and often with whitish fibrils at the base."
• "The = stem = is clavate, pale cream buff in color, solid, becoming irregularly fistulose in age, bulbous or somewhat ventricose below, the bulb often large and abrupt, 1.5 -- 3 cm. in diameter."