This genus is too extensive to examine the species <lb xmlns="http://www.tei-c.org/ns/1.0" />separately: it is sufficent to say that <subst xmlns="http://www.tei-c.org/ns/1.0"> <del rendition="#s">the</del> <add place="intralinear">it is</add> </subst> very <lb xmlns="http://www.tei-c.org/ns/1.0" />generally distributed. The species occurring in <placeName xmlns="http://www.tei-c.org/ns/1.0" ref="https://edition-humboldt.de/H0005696 https://www.geonames.org/6255148">Europe</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/H0001698 https://www.geonames.org/7729890"><choice> <abbr>N.</abbr> <expan>North</expan> </choice> america</placeName> have usually a very different appearence <lb xmlns="http://www.tei-c.org/ns/1.0" />from those to the South, so much so as to induce <lb xmlns="http://www.tei-c.org/ns/1.0" />some muscologists to retain the former only in this <lb xmlns="http://www.tei-c.org/ns/1.0" />genus; & they have accordingly constituted two new <lb xmlns="http://www.tei-c.org/ns/1.0" />genera for the remainder. But some species as <name xmlns="http://www.tei-c.org/ns/1.0" type="plant"><choice> <abbr>O.</abbr> <expan>Orthotrichum</expan> </choice> diapha<g ref="#typoHyphen" /><lb break="no" />num</name> is found not only in <placeName xmlns="http://www.tei-c.org/ns/1.0" ref="https://edition-humboldt.de/H0005696 https://www.geonames.org/6255148">Europe</placeName>, but at <placeName xmlns="http://www.tei-c.org/ns/1.0" ref="https://edition-humboldt.de/H0008813 https://www.geonames.org/3844421">Mendoça</placeName> (in <placeName xmlns="http://www.tei-c.org/ns/1.0" ref="https://edition-humboldt.de/H0007374 https://www.geonames.org/3895114">Chili</placeName>)<supplied xmlns="http://www.tei-c.org/ns/1.0" cert="high">,</supplied> <pb xmlns="http://www.tei-c.org/ns/1.0" n="5v" facs="http://content.staatsbibliothek-berlin.de/dms/PPN829063978/1200/0/00000012.jpg" /><fw xmlns="http://www.tei-c.org/ns/1.0" type="folNum">6</fw>others from the <placeName xmlns="http://www.tei-c.org/ns/1.0" ref="https://edition-humboldt.de/H0009532 http://d-nb.info/gnd/4060997-2">tropics</placeName>, as <name xmlns="http://www.tei-c.org/ns/1.0" type="plant"><choice> <abbr>O.</abbr> <expan>Orthotrichum</expan> </choice> plicatum</name>, <subst xmlns="http://www.tei-c.org/ns/1.0"> <del rendition="#s">of</del> <add place="intralinear">there</add> </subst> are <add xmlns="http://www.tei-c.org/ns/1.0" place="superlinear">only</add> about <lb xmlns="http://www.tei-c.org/ns/1.0" />10 or 12 peculiar to <placeName xmlns="http://www.tei-c.org/ns/1.0" ref="https://edition-humboldt.de/H0005696 https://www.geonames.org/6255148">Europe</placeName>, <subst xmlns="http://www.tei-c.org/ns/1.0"> <del rendition="#s">about 4</del> <add place="superlinear">4 or 5</add> </subst> to <placeName xmlns="http://www.tei-c.org/ns/1.0" ref="https://edition-humboldt.de/H0001698 https://www.geonames.org/7729890">North america</placeName> <lb xmlns="http://www.tei-c.org/ns/1.0" />(betwixt the <placeName xmlns="http://www.tei-c.org/ns/1.0" ref="https://edition-humboldt.de/H0009136 https://www.geonames.org/6252001">united states</placeName> & the arctic regions), at least <lb xmlns="http://www.tei-c.org/ns/1.0" />5 <del xmlns="http://www.tei-c.org/ns/1.0" rendition="#s">or 6</del> common to <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>, one to <placeName xmlns="http://www.tei-c.org/ns/1.0" ref="https://edition-humboldt.de/H0005696 https://www.geonames.org/6255148">Europe</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/H0010380 https://www.geonames.org/6255150">South america</placeName>, <del xmlns="http://www.tei-c.org/ns/1.0" rendition="#s">and</del> the remainder<supplied xmlns="http://www.tei-c.org/ns/1.0" cert="high">,</supplied> <add xmlns="http://www.tei-c.org/ns/1.0" place="superlinear">about 40 in number<supplied cert="high">,</supplied></add> seem<del xmlns="http://www.tei-c.org/ns/1.0" rendition="#s">ed</del> pretty much <lb xmlns="http://www.tei-c.org/ns/1.0" />confined to their respective countries, <subst xmlns="http://www.tei-c.org/ns/1.0"> <del rendition="#s">they are about</del> <add place="intralinear"> <lb />which may be said to be</add> </subst> chiefly tropical; a few only <lb xmlns="http://www.tei-c.org/ns/1.0" />as <placeName xmlns="http://www.tei-c.org/ns/1.0" ref="https://edition-humboldt.de/H0009224 https://www.geonames.org/4033649">Otaheita</placeName>, <placeName xmlns="http://www.tei-c.org/ns/1.0" ref="https://edition-humboldt.de/H0001596 https://www.geonames.org/1282988">Nepal</placeName>, <placeName xmlns="http://www.tei-c.org/ns/1.0" ref="https://edition-humboldt.de/H0001615 https://www.geonames.org/2186224">New Zealand</placeName>, <placeName xmlns="http://www.tei-c.org/ns/1.0" ref="https://edition-humboldt.de/H0009100 https://www.geonames.org/2147292">Van Diemens-land</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/H0000355 https://www.geonames.org/3367577">Cape of Good Hope</placeName> being out of that range, & <subst xmlns="http://www.tei-c.org/ns/1.0"> <del rendition="#s">and</del> <add place="intralinear">not</add> </subst> <lb xmlns="http://www.tei-c.org/ns/1.0" />many species are hitherto discovered in these.