Order 9. =Elachistaceæ.= _Elachista fucicola_ is a common epiphyte on
species of _Fucus_.
Order 10. =Chordariaceæ.= The shoot-systems are often surrounded
by mucilage. _Chordaria_; _Leathesia difformis_ occurs as rounded,
brown-green masses of the size of a nut, generally attached to other
Seaweeds.
Order 11. =Stilophoraceæ.= _Stilophora rhizodes_ is common.
Order 12. =Spermatochnaceæ.= _Spermatochnus paradoxus_ is common.