. An illustrated flora of the northern United States, Canada and the British possessions, from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian. Botany; Botany. Genus i. QUILLWORT FAMILY. 53 8. Isoetes Eatoni Dodge. Eaton's Quillwort. Fig. 125. Isoetes 'Eatoni Dodge, Ferns and Fern Allies of New Eng. 39. 1896. Amphibious from a large trunk \'-\\' in diameter. Leaves of the submerged plant 30- 200, varying in length up to 28', marked with an elevated ridge on the ventral side; leaves of the emersed plant shorter, 3-6; s
. An illustrated flora of the northern United States, Canada and the British possessions, from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian. Botany; Botany. Genus i. QUILLWORT FAMILY. 53 8. Isoetes Eatoni Dodge. Eaton's Quillwort. Fig. 125. Isoetes 'Eatoni Dodge, Ferns and Fern Allies of New Eng. 39. 1896. Amphibious from a large trunk \'-\\' in diameter. Leaves of the submerged plant 30- 200, varying in length up to 28', marked with an elevated ridge on the ventral side; leaves of the emersed plant shorter, 3-6; stomata abundant; peripheral bast-bundles irregular in occurrence or often wanting; velum covering i of the sporange,. polygamous; sporanges large, ' by ', pale spotted; macrospores small, 300-450 /"â in diameter, marked with con- volute labyrinthine ridges and cristate on the angles of the inner face; microspores 25-30 /"â in diameter, minutely tuberculate. In mud flats, New Hampshire to New 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 Britton, Nathaniel Lord, 1859-1934; Brown, Addison, 1830-1913. New York, Scribner
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
