. 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 12. FERN FAMILY. 29 Wall Rue Spleenwort. Fig. 65. 8. Asplenium Ruta-muraria L. Asplenium Ruta-muraria L. Sp. PI. 1081. 1753. Rootstock short, creeping or ascending, the small evergreen leaves closely clustered. Stipes naked, 2'-3' long, green throughout; blades ovate or deltoid-ovate, 2-5'â long, glabrous, evergreen, 2-3-pinnate, at least below; pinnae an
. 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 12. FERN FAMILY. 29 Wall Rue Spleenwort. Fig. 65. 8. Asplenium Ruta-muraria L. Asplenium Ruta-muraria L. Sp. PI. 1081. 1753. Rootstock short, creeping or ascending, the small evergreen leaves closely clustered. Stipes naked, 2'-3' long, green throughout; blades ovate or deltoid-ovate, 2-5'â long, glabrous, evergreen, 2-3-pinnate, at least below; pinnae and pinnules mostly alternate, stalked; pinnules very variable in shape, size and marginal cut- ting, commonly rhombic or obovate, obtuse, with the margins dentate or incised, but often cuneate-spatulate, the margins deeply fimbriate; veins flabellate; sori few, linear-oblong, confluent when mature and covering nearly the whole pinnule; membranous, delicate. On limestone, Vermont to southern Ontario and Michi- gan, south to Alabama and Missouri. Ascends to 2100 ft. in Virginia. Also in Europe, Asia and northern Africa. July-Sept. Dwarf Spleenwort. Tentwort. Stone-rue. Stone- fern. Rue-fern. White maiden-hair. A hybrid between this species and A. Trichomanes, described originally from European specimens, has been found also in Vermont. Asplenium montanum Willd. Mountain Spleenwort. 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 Britton, Nathaniel Lord, 1859-1934; Brown, Addison, 1830-1913. New York, Scribner
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
