Of this genus, the most generally diffused is <name xmlns="http://www.tei-c.org/ns/1.0" type="plant"><choice> <abbr>Did.</abbr> <expan>Didymodon</expan> </choice> purpureum</name>: it <lb xmlns="http://www.tei-c.org/ns/1.0" />is not only common in <placeName xmlns="http://www.tei-c.org/ns/1.0" ref="https://edition-humboldt.de/H0005696 https://www.geonames.org/6255148">Europe</placeName> & <placeName xmlns="http://www.tei-c.org/ns/1.0" ref="https://edition-humboldt.de/H0001698 https://www.geonames.org/7729890">North america</placeName>, but extends to the <lb xmlns="http://www.tei-c.org/ns/1.0" /><placeName xmlns="http://www.tei-c.org/ns/1.0" ref="https://edition-humboldt.de/H0000346 https://www.geonames.org/2593110">Canary isles</placeName>, & the <placeName xmlns="http://www.tei-c.org/ns/1.0" ref="https://edition-humboldt.de/H0000355 https://www.geonames.org/3367577">Cape of Good hope</placeName>, as far as I recollect it is <lb xmlns="http://www.tei-c.org/ns/1.0" />also a common species in <placeName xmlns="http://www.tei-c.org/ns/1.0" ref="https://edition-humboldt.de/H0002625 https://www.geonames.org/2077456">New Holland</placeName>. – <name xmlns="http://www.tei-c.org/ns/1.0" type="plant"><choice> <abbr>D.</abbr> <expan>Didymodon</expan> </choice> pallidum</name> (<name xmlns="http://www.tei-c.org/ns/1.0" type="plant"><choice> <abbr>Trichostom</abbr> <expan>Trichostomum</expan> </choice> <lb />pallidum</name> <persName xmlns="http://www.tei-c.org/ns/1.0" ref="https://edition-humboldt.de/H0015729 http://d-nb.info/gnd/117334081"><hi rendition="#u"><choice> <abbr>Schw.</abbr> <expan>Schwägrichen</expan> </choice></hi></persName>) a plant perhaps nowhere abundant, is neverthe<g xmlns="http://www.tei-c.org/ns/1.0" ref="#typoHyphen" /><lb xmlns="http://www.tei-c.org/ns/1.0" break="no" />less widely diffused. <placeName xmlns="http://www.tei-c.org/ns/1.0" ref="https://edition-humboldt.de/H0005696 https://www.geonames.org/6255148">Europe</placeName>, <placeName xmlns="http://www.tei-c.org/ns/1.0" ref="https://edition-humboldt.de/H0001698 https://www.geonames.org/7729890">North America</placeName>, <placeName xmlns="http://www.tei-c.org/ns/1.0" ref="https://edition-humboldt.de/H0006552 https://www.geonames.org/3489940">Jamaica</placeName>, <placeName xmlns="http://www.tei-c.org/ns/1.0" ref="https://edition-humboldt.de/H0008151 https://www.geonames.org/3841798">Patagonia</placeName>, <lb xmlns="http://www.tei-c.org/ns/1.0" /><placeName xmlns="http://www.tei-c.org/ns/1.0" ref="https://edition-humboldt.de/H0002625 https://www.geonames.org/2077456">New Holland</placeName> &c all posess it. <name xmlns="http://www.tei-c.org/ns/1.0" type="plant"><choice> <abbr>D.</abbr> <expan>Didymodon</expan> </choice> trifarium</name> <add xmlns="http://www.tei-c.org/ns/1.0" place="superlinear">& <supplied cert="high">Didymodon</supplied> heteromallus </add>has been found both <lb xmlns="http://www.tei-c.org/ns/1.0" />in <placeName xmlns="http://www.tei-c.org/ns/1.0" ref="https://edition-humboldt.de/H0005696 https://www.geonames.org/6255148">Europe</placeName> & <placeName xmlns="http://www.tei-c.org/ns/1.0" ref="https://edition-humboldt.de/H0001698 https://www.geonames.org/7729890">North america</placeName> & perhaps a few others.