. The origin of a land flora, a theory based upon the facts of alternation. Plant morphology. Calamostachys Casheana. Tangential section, showing four sporangia, grouped around their sporangiophore (sp). Three contain megasporesand one microspores. 'â ; 30. Phil. Trans. IV. and S. Will. Coll., 1587. (From Scott, Studies in Fossil Botany.) given by Goebel,'2 it is found that, notwithstanding the difference in mature form (which Goebel notes, and from which he concludes that the distinction 1 Organography, vol. ii., pp. 499-503. 2 , p. Please note that these images are extracted from sc
. The origin of a land flora, a theory based upon the facts of alternation. Plant morphology. Calamostachys Casheana. Tangential section, showing four sporangia, grouped around their sporangiophore (sp). Three contain megasporesand one microspores. 'â ; 30. Phil. Trans. IV. and S. Will. Coll., 1587. (From Scott, Studies in Fossil Botany.) given by Goebel,'2 it is found that, notwithstanding the difference in mature form (which Goebel notes, and from which he concludes that the distinction 1 Organography, vol. ii., pp. 499-503. 2 , p. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Bower, F. O. (Frederick Orpen), 1855-1948. London, Macmillan and Co. , Ltd.
Size: 1758px × 1422px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, bookpublisherlondonmacmillanand
