The Fern Bulletin; A Quarterly Devoted to Ferns Volume 9-12

The Fern Bulletin; A Quarterly Devoted to Ferns Volume 9-12

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1901 edition. Excerpt: ... simple form is more fleshy than the compound one. Botrychium matricariae folium is much inclined to "freaks" and is otherwise variable. Some specimens have two sterile divisions, others two fertile. In some the sterile portion bears sporangia, in others a pinna of the sterile part is transformed into a fertile spike, and forming a secondary fertile frond, arising from the blade. Some plants have a ridiculously small sterile division, while the fertile one is gigantic in proportion and much branched. Another remarkable thing is the different way in which the sterile frond is placed. Sometimes it is immediately below the sporangia bearing panicle, sometimes near to the root, and sometimes in the middle. Sometimes the sterile division is sessile, and sometimes it has a comparatively long stipe. The color of B. matricariaefolium is decidedly whitish-green, in contrast to B. lanceolatum, which is bright green. The first prefers leafmold, and is easily taken up, while the other often grows in rocky ground, and its roots penetrate the soil so deeply, that it is often difficult to take it up with the rhizome. B. lanceolatum is uniform, as a rule, never varying to the degree that B. matricariaefolium does. I have seldom seen sterile plants of either species. This is in marked contrast to B. virginianum and still more to Ophioglossum, in which sterile plants are numerous. There is a remarkable station for Struthiopteris germanica here. Remarkable, because it is not in "alluvial soil of rivers," as the books have it, but a rocky hollow in a forest of considerable altitude. A mountain brook runs through it over rocks, as usual in the Catskills, making the ravine rather wet. There the Ostrich fern flourishes to the number of about 20 or...
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Product details

  • Paperback | 158 pages
  • 189 x 246 x 9mm | 295g
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236494490
  • 9781236494498