Slide 1-18 The dark brown body (A) in this picture is a spore sac (ascocarp), called a cleistothecium.

幻灯1-18 在这张照片中，暗棕色的小体（A）是一种孢子（子），为闭壳。

Puffballs are named for the fact that puffs of spores are released when the dry and powdery tissues of the mature spherical fruiting body (basidiocarp) are disturbed.

马其成熟球形体（担子）的乾粉状组织摇晃时会释出大量粉尘似的孢子而得名。