American Academy of Arts and Sciences · Boston [etc.] · leaf 485
two aboveit are either transformed directly to antheridial cells, as in D. Thaxteri, figure 219, or under) ifurther division, e, which may result in the production of as many as five, or, in some cases,possibly six antheridial cells, from some or all of which smaller basal cells may or may not…
Arts · Science
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
