The book How Ferns Grow was written by author Slosson, Margaret Here you can read free online of How Ferns Grow book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is How Ferns Grow a good or bad book?
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Plant attached to prothal- lus. 7. Mature fertile leaf. 8. Section of fertile leaf, X 2J. CHAPTER V POLYPODY Polypodium vulgare. Rootstock slender, creeping, branching, brown or, at tips, green, chaflfy: scales numerous, small, brown; under a lens yellow or orange, or margins subcolorless, the centre often banded lengthwise in yellow or orange or reddish-orange-brown; ovate or lanceolate, acuminate, cordate* and often dilated at base, ciliate-erose : leaves approximate, borne alternately on rig...ht and left of top of rootstock, articulated to rootstock: roots springing from sides and base of rootstock, paleaceous. Leaves ascending or suberect, four and one-half to sixteen inches long, two-fifths of an inch to four and two-fifths inches broad, evergreen, not prostrated in winter; in icy or dry weather drooping forward, the segments curving horizontally and becoming connivent over face of blade. Petioles shorter to longer than blades, green or, when dried, greenish-stramineous, on face convex or below flattened or slightly hollowed, at back convex, on sides narrowly winged or below angled, or at extreme base subterete, glabrous or bearing * D.
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