. 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. 3. Polystichum scopulinum (D. C. Eaton) Maxon. Eaton's Shield-fern. Fig. 35. Aspidium aculeatum var. scopulinum D. C. Eaton, Ferns N. Am. 2: 125. pi. 62, f. 8. 1880. P. scopulinum Maxon, Fern Bull. 8: 29. 1900. Rootstock stout, ascending, with numerous cord- like roots. Leaves 9/-17' long, the stipe 2'-s' long, densely chaffy at the base with both broad and nar
. 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. 3. Polystichum scopulinum (D. C. Eaton) Maxon. Eaton's Shield-fern. Fig. 35. Aspidium aculeatum var. scopulinum D. C. Eaton, Ferns N. Am. 2: 125. pi. 62, f. 8. 1880. P. scopulinum Maxon, Fern Bull. 8: 29. 1900. Rootstock stout, ascending, with numerous cord- like roots. Leaves 9/-17' long, the stipe 2'-s' long, densely chaffy at the base with both broad and narrow bright brown scales; blades 6'-i2' long, linear to narrowly oblong-lanceolate, 1Y-2Y broad, coriaceous, the chaff largely deciduous from the rachis; pinnae numerous, 7"-is" long, 4"-8" broad at the base, ovate, obtuse, the basal portion pinnately lobed, the apical half serrate with pointed or aculeate teeth, the lower pinnae usually much reduced; sori near the midvein; indusium large, somewhat lobed, glabrous. On rocky slopes, Washington to Idaho, Utah and Southern California. Gaspe county, Quebec. 4. Polystichum Braunii (Spenner) Fee. Braun's Holly-fern. Prickly Shield-fern. Fig. 36. Aspidium Braunii Spenner, Fl. Frib. I : 9. 1825. A. aculeatum var. Braunii Doell, Rhein. Fl. 21. 1843. Polystichum Braunii Fee, Gen. Fil. 278. 1850-52. Dryopteris aculeata var. Braunii Underw. Native Ferns, ed. 4, 112. 1893. Dryopteris Braunii (Spenner) Underw. in Br. & Brown, 111. Fl. ed. 1, 1: 15. 1896. Rootstock stout, suberect. Stipes 4-5' long, chaffy with both broad and narrow brown scales; blades lanceolate, i°-2° long, herbaceous, 2-pinnate, the rachis chaffy; pinnae numerous, close, oblong-lanceo- late, slightly broadest at the base, the middle ones 2A-4' long, the lower gradually shorter; pinnules ovate to oblong, truncate and nearly rectangular at the base, mostly acute, sharply toothed, beset with long soft hair-like scales; sori small, mostly nearer the m
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
