4. A. In the arctic circle there are peculiar the genus <name xmlns="http://www.tei-c.org/ns/1.0" type="plant">Cinclidium</name>, <lb xmlns="http://www.tei-c.org/ns/1.0" />a few <name xmlns="http://www.tei-c.org/ns/1.0" type="plant">Splachna</name>, one <name xmlns="http://www.tei-c.org/ns/1.0" type="plant">Orthotrichum</name>, one <name xmlns="http://www.tei-c.org/ns/1.0" type="plant">Voitia</name>, a <name xmlns="http://www.tei-c.org/ns/1.0" type="plant">Fontinalis</name>, <lb xmlns="http://www.tei-c.org/ns/1.0" />& one <name xmlns="http://www.tei-c.org/ns/1.0" type="plant">Polytrichum</name><supplied xmlns="http://www.tei-c.org/ns/1.0" cert="high">.</supplied>