. Fossil plants : for students of botany and geology . Paleobotany. Fig. 657. Stenorachis lepida. A, from Amurland; B, C, from Afghanistan. {A, B, nat. size.) shows a specimen of Stenorachis lepida from Jurassic beds in Afghanistan* which is undoubtedly of the same type as Heer's European examples. One of Heer's specimens from the Jurassic beds of Amurland^ is shown in fig. 657, A: a curved and fairly stout axis bears numerous. spiraUy disposed, appendages with slightly expanded ends which in a few cases are more or less definitely bilobed. No remains of seeds or microsporangia are preserved,
. Fossil plants : for students of botany and geology . Paleobotany. Fig. 657. Stenorachis lepida. A, from Amurland; B, C, from Afghanistan. {A, B, nat. size.) shows a specimen of Stenorachis lepida from Jurassic beds in Afghanistan* which is undoubtedly of the same type as Heer's European examples. One of Heer's specimens from the Jurassic beds of Amurland^ is shown in fig. 657, A: a curved and fairly stout axis bears numerous. spiraUy disposed, appendages with slightly expanded ends which in a few cases are more or less definitely bilobed. No remains of seeds or microsporangia are preserved, but the swollen ends of the appendages suggest the former presence of some reproductive organs: some of the ap- pendages are bilobed as in the Afghan example. Heer states that some of his specimens bear 2—3 pollen-sacs at the tips of the appendages, but the published figures afford no 1 Heer (77) ii. PI. xi. ' Heer (82) A. p. 18, PI. vi. figs. 1—6. ' Ibid. p. 21, PI. IX. * Seward (12) p. 23, PI. iv. fig. 52. 5 Seward (12») p. 28, PI. i. fig. 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 Seward, A. C. (Albert Charles), 1863-1941. Cambridge : University Press
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Keywords: ., bookcentury1800, bookdecade1890, bookpublishercambr, bookyear1898
