ange , ▁and ▁the ▁unders ide ▁is ▁covered ▁by ▁a ▁dense ▁fel ting ▁of ▁white ▁hair s . ▁ ▁E col ogy ▁This ▁fung us ▁tends ▁to ▁grow ▁among ▁m oss es , ▁particularly ▁Poly tr ich um ▁species , ▁on ▁sand y ▁so ils ▁on ▁he ath s ▁and ▁d rier ▁mo or land , ▁appearing ▁in ▁the ▁aut umn ▁and ▁winter . ▁Like ▁other ▁cup ▁fung i , ▁the ▁upper ▁surface ▁is ▁the ▁sp ore - produ cing ▁surface ▁and ▁as ▁it ▁faces ▁up wards , ▁the ▁sp ores ▁cannot ▁fall ▁out . ▁Instead , ▁the ▁sp ores ▁are ▁e ject ed ▁when ▁the ▁fung us ▁is ▁dist urbed ; ▁if ▁the ▁cup ▁is ▁given ▁a ▁sharp ▁tap ▁when ▁it ▁is ▁m ature , ▁a ▁cloud ▁of ▁sp ores ▁r ises ▁in ▁a ▁thin ▁mist . ▁ ▁References ▁ ▁External ▁links ▁ ▁Ne ott iella ▁r util ans ▁at ▁Species ▁F ung orum ▁ ▁Category : P ez iz ales ▁Category : F ung i ▁described ▁in ▁ 1 8 2 2 ▁Category : T ax a ▁named ▁by ▁E lias ▁Magn us ▁F ries <0x0A> </s> ▁( ; ▁) ▁is ▁a ▁traditional ▁Dutch ▁bread ▁to pping . ▁While ▁custom ary ▁on ▁bread , ▁they ▁are ▁tradition ally ▁e aten ▁on ▁besch uit , ▁or ▁rus k . ▁M uis jes ▁is ▁a ▁registered ▁tra dem ark ▁of ▁Kon ink lijke ▁De ▁Ru ij ter ▁B V . M uis jes ▁are ▁made ▁of ▁an ise eds ▁with ▁a ▁sug ared