Redirect Notice
 The previous page is sending you to https://www.alamy.com/morphology-of-gymnosperms-gymnosperms-plant-morphology-i8-morphology-of-gymnosperms-the-oldest-known-species-of-medullosa-and-the-simplest-in-its-stem-structure-is-m-anglica-from-the-lower-coal-measures-of-england-and-described-in-detail-by-scott-22-the-stems-average-7-to-8-cm-in-diameter-and-are-distinctly-polystelic-fig-15-resembling-pteris-fig-5-in-this-regard-the-vascu-lar-bundles-are-usually-three-in-number-and-are-concentric-each-one-of-the-xylem-strands-being-surroimded-by-a-zone-of-secondary-wood-jthis-combination-of-polystely-and-secondary-wood-is-the-chief-a-image216418447.html.

 If you do not want to visit that page, you can return to the previous page.