Order 3. =Patellariaceæ.= _Patellea_,
_Biatorella_, _Patellaria_.
Order 4. =Caliciaceæ.= _Calicium_, _Coniocybe_, etc., on the
bark of trees.
Order 5. =Arthoniaceæ.= _Arthonia_ on the bark of several trees.
_Celidium stictarum_ on the apothecia of _Sticta pulmonaria_.
Order 6. =Bulgariaceæ.= Apothecia gelatinous under moist
conditions, and horny when dried.--_Calloria fusarioides_; the
red apothecia break out in the spring on the dried stalks of
_Urtica dioica_; a gelatinous reproductive form of the Fungus is
found before the apothecia, which consists of oidia (formerly
described as “_Dacryomyces urticæ_”).--_Bulgaria inquinans_ on
the living or fallen trucks of Oaks and Beeches.
[Illustration: FIG. 126.--_Botrytis cinerea_: _a_ slightly
magnified; _b_ more highly magnified; _c_ germinating conidium.]
[Illustration: FIG. 127.--_Sclerotinia fuckeliania_: _a_
sclerotium with conidiophores; _b_ with apothecia; _c_ section
through sclerotium and apothecium; _d_ ascus with eight
ascospores. (× 390.)]