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Unformatted text preview: states. We shall discuss . Structure As is true of all vascular plants the sporophyte generation of the Psilophytes is predominant. Vascular tissue however, is found just in stems. Psilotum lacks true vascular roots or true vascular leaves. sporophytes have dichotomously branched, vascular aerial stems, which arise from underground vascular rhizomes. Rhizoids, found on the rhizomes, associate with mycorrhizae for absorption of water and nutrients. Enations, small scalelike structures spiral up the stem, and are often thought of as miniature leaves....
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This note was uploaded on 01/08/2012 for the course BIO 213 taught by Professor Makina during the Fall '09 term at SUNY Stony Brook.
- Fall '09