. A popular description of the common Oregon ferns; contribution from the Herbarium of the University of Oregon. ate. Under side of frond, midrib and stipe covered with soft flattenedhairs. W. scouplina D. C. Eaton. Rocky Mountain Woodsia. Frond, midrib and stipe smooth. Divisions of the indusium finerthan the preceding and consisting of few beaded hairs. W. oregana D. C. Eaton. Oregon Woodsia WOODWARDIA. Chain Fern. Sori oblong, in chain-like rows, on veins parallel to width of pinnae. (Named for Woodward, an English botanist.) The Oregon form is found mostly in the Southern part of thestate
. A popular description of the common Oregon ferns; contribution from the Herbarium of the University of Oregon. ate. Under side of frond, midrib and stipe covered with soft flattenedhairs. W. scouplina D. C. Eaton. Rocky Mountain Woodsia. Frond, midrib and stipe smooth. Divisions of the indusium finerthan the preceding and consisting of few beaded hairs. W. oregana D. C. Eaton. Oregon Woodsia WOODWARDIA. Chain Fern. Sori oblong, in chain-like rows, on veins parallel to width of pinnae. (Named for Woodward, an English botanist.) The Oregon form is found mostly in the Southern part of thestate and is one of the most magnificient of North Americanferns. W. radicans (L.) Sm. ASPLENIUM. Spleenwort. Fronds once pinnate. Sori linear, oblong, oblique to midrib ofpinna, straight and attached to the upper side of a vein. ?Rachis or midrib brown. Fronds linear, evergreen. Sori oblong,commonly three on each side of the midvein. Moist rocks andshaded cliffs. A. trichomanes L. Maiden-hair spleenwort Rachis or midrib green. Only rarely seen and at high altitudes. A. viride Hudson 16 A POPULAR DESCRIPTION OF.
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Keywords: ., bookcentury1900, bookdecade1910, bookidpopulardescr, bookyear1913
