. Heredity and evolution in plants. Heredity; Plants. 202 HEREDITY AND EVOLUTION IN PLANTS now in position to draw a fairly complete picture of the plant as it must have appeared when living. "It was in effect a little tree-fern, with long, slender, sometimes branched, stem, 4 centimeters or less in diame-. FiG. 86.—Lyginodendron oldhamium. Pinna of a microsporophyll, found in an ironstone nodule. Before its identity was established this specimen was named Crossolheca Ilocninghausi. The somewhat peltate fertile pinules on the ultimate branches, bear each a fringe of micro- sporangia about
. Heredity and evolution in plants. Heredity; Plants. 202 HEREDITY AND EVOLUTION IN PLANTS now in position to draw a fairly complete picture of the plant as it must have appeared when living. "It was in effect a little tree-fern, with long, slender, sometimes branched, stem, 4 centimeters or less in diame-. FiG. 86.—Lyginodendron oldhamium. Pinna of a microsporophyll, found in an ironstone nodule. Before its identity was established this specimen was named Crossolheca Ilocninghausi. The somewhat peltate fertile pinules on the ultimate branches, bear each a fringe of micro- sporangia about 3 mm. long. The appearance has been likened to that of a fringed epaulet. (After Scott, from a photo by Kidston.) ter, and provided with spines by means of which it prob- ably climbed on its neighbors. The foliage was disposed spirally and consisted of relatively very large, finely divided fronds with small, thick pinnules with revolute. 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 Gager, C. Stuart (Charles Stuart), 1872-1943. Philadelphia, P. Blakiston's Son & Co.
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Photo credit: © Central Historic Books / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1920, booksubjectplants, bookyear1920
