. Bulletin of the British Museum (Natural History), Geology. 376 THE MORPHOLOGY OF BOTRYOPTERIS ANTIQUA (i960). Both these authors have described isolated spores which appear to show a close resemblance to those associated with B. antiqua. These were assigned by Butterworth & Williams to the genus Granulosporites as G. politus but by Love to Leiotriletes politus. Love very kindly loaned to the Department of Palaeontology a " single spore " slide of his Leiotriletes politus for comparison with the spores present in the sporangia from the Calciferous Sandstone and this has establis
. Bulletin of the British Museum (Natural History), Geology. 376 THE MORPHOLOGY OF BOTRYOPTERIS ANTIQUA (i960). Both these authors have described isolated spores which appear to show a close resemblance to those associated with B. antiqua. These were assigned by Butterworth & Williams to the genus Granulosporites as G. politus but by Love to Leiotriletes politus. Love very kindly loaned to the Department of Palaeontology a " single spore " slide of his Leiotriletes politus for comparison with the spores present in the sporangia from the Calciferous Sandstone and this has established beyond reasonable doubt that this spore and the spores from the petrified sporangia are 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 British Museum (Natural History). London : BM(NH)
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