. The structure and development of mosses and ferns (Archegoniatae). Plant morphology; Mosses; Ferns. ISOETACE^ S53 leaves continues up to about the eighth, when the \ divergence is replaced successively by dition in the fully-developed sporophyte, \, I, I, tV and ix, which is the con- The Adult Sporophyte (Sadebeck (p)) The structure of the mature sporophyte has been the sub- ject of repeated investigations, among the most recent being. Fig. 320.—^A, B, Isoetes echinospora. A, Section of fully developed leaf, X15: B, vascular bundle of the leaf, X about 200; C, part of a transverse section of
. The structure and development of mosses and ferns (Archegoniatae). Plant morphology; Mosses; Ferns. ISOETACE^ S53 leaves continues up to about the eighth, when the \ divergence is replaced successively by dition in the fully-developed sporophyte, \, I, I, tV and ix, which is the con- The Adult Sporophyte (Sadebeck (p)) The structure of the mature sporophyte has been the sub- ject of repeated investigations, among the most recent being. Fig. 320.—^A, B, Isoetes echinospora. A, Section of fully developed leaf, X15: B, vascular bundle of the leaf, X about 200; C, part of a transverse section of the stem of I, lacustris; sp, starch-bearing cortical cells; m, meristematic zone; h, tracheids; hd, tissue of the'central region (C after Potonie), those of Farmer (2) and Scott (2), who made a most careful examination of the vegetative organs in I. lacustris and /. hys- trix. The thick, very short stem has a central vascular bundle, which as in the young plant is made up of the united leaf-traces, and there is no strictly cauline portion, as Hegelmaier (i) and. 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 Campbell, Douglas Houghton, 1859-1953. New York, The Macmillan Company;
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Keywords: ., bookauthorcampbelldouglashought, bookcentury1900, bookdecade1910
