The sexual reproduction structures are a mass of loose ascospores that are enclosed by a cup shaped exciple sitting on top of a tiny stalk, having the appearance of a dressmaker's pin ( called a mazaedium ), hence the common name "'pin lichen " '.
2.
"' Mazaedia "'( singular mazaedium ) are apothecia shaped like a dressmaker's pin in ( pin lichen ) s, where the fruiting body is a brown or black mass of loose ascospores enclosed by a cup-shaped exciple, which sits on top of a tiny stalk.
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