These are vascular, but not lignified. Early reports on lignin in
Polytrichum turn out to be a compound that is related to lignin but not
quite the same as that in xylem of vascular plants.
Janice
>
> Janice, what about haploid mosses that have vascular tissue at least
> to the extent of hydroids and leptoids? John
>> John E. Silvius
> Professor of Biology
> Box 601
> Cedarville College
> Cedarville, Ohio 45314
> E-mail: silviusj at cedarville.edu>http://www.cedarville.edu/dept/sm/jes_www.htm>
