. Botanisk tidsskrift. Botany; Plants; Plants. - 268 â bast bundles. Stem generally with bundles in the bark. Axial cylinder's vascular bundles united in three or in only one group. P. pectinatus L. P. filiformis Pers. - puncifolius Kern. - vaginatus Turcz. - striatus Ruiz et Pav. - latifolius (Robbins). ? - tenuifolius H. B. R. 16. P. pusillus-group. Leaves all thin, linear, sheathless, sub- merged, with 1â5 nerves of vascular bundles, without bast bundles except along the midrib and the edge (fig. 6 AâB). Stem terete â compressed with a circle of subepidermal bast bundles but other- rs sn2 Ã
. Botanisk tidsskrift. Botany; Plants; Plants. - 268 â bast bundles. Stem generally with bundles in the bark. Axial cylinder's vascular bundles united in three or in only one group. P. pectinatus L. P. filiformis Pers. - puncifolius Kern. - vaginatus Turcz. - striatus Ruiz et Pav. - latifolius (Robbins). ? - tenuifolius H. B. R. 16. P. pusillus-group. Leaves all thin, linear, sheathless, sub- merged, with 1â5 nerves of vascular bundles, without bast bundles except along the midrib and the edge (fig. 6 AâB). Stem terete â compressed with a circle of subepidermal bast bundles but other- rs sn2 à n, A. Fig. 6. A, P. mucronatus (not P. pusillus as said in my book, 1. c. p. 57); transverse section of the leaf (c 65:1). â B, P. trichoides (c. 65:1); trans- verse section of the leaf. â C, P. pectinatus (c. 15:1); transverse section of the leaf. â lg, lacunae; mn, snu sn2, vascular bundles; s and rs, bast bundles. wise without bundles in the bark. Axial cylinder's vascular bundles united in three or in only one group (fig. 1 C). P. pusillus L. P. mucronatus Schrad. - obtusifolius Merts. et Koch. - rutilus Wolfg. - trichoides Cham, et Schlecht. - pauciflorus Pursh. - Hillii Morong. 17. P. confervoides-group. Leaves all thin, linear, sheathless, submerged, with 1â3 nerves of vascular-bundles but without bast bundles except in the edge and along the midrib. Stem without bundles in the bark. Axial cylinder's vascular bundles united in only one group. P. confervoides Reichenb. In the specimen of that species examined by me the sub- epidermal bast-bundles in the bark of the stem were lacking, in consequence of which I have separated the species from the 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 Botaniske forening i København. København : H. Hagerups Forlag
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Keywords: ., bookcentury1800, bookdecade, booksubjectbotany, booksubjectplants
