The ferns of Great Britain and their allies, the club-mosses, pepperworts, and horsetails / by Anne Pratt ; published under the direction of the Committee of General Literature and Education, appointed by the Society for Promoting Christian Knowledge.
- Anne Pratt
- Date:
- [1871]
Licence: Public Domain Mark
Credit: The ferns of Great Britain and their allies, the club-mosses, pepperworts, and horsetails / by Anne Pratt ; published under the direction of the Committee of General Literature and Education, appointed by the Society for Promoting Christian Knowledge. Source: Wellcome Collection.
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![are nlike, their hranchws grcnwly varying in length io different circumstanrH/.. The cone of finictiftcation is slender, about an inrh iring. and standing on a foot- stalk. The whoila </ are, at an early period, crowded into a black but after a while are (piite separated, showing tnr wfeire ca]>aules attachi.'d to the margin. In June. i4ie*e catkins are fully ripened, they become of a .»lonr, and, after ilischarging the B|>ores, viithar r i* ,t the bright green wliorls of rigid bronrh* - * <r» till late in the autumn. TIh r*- e - ‘;^r varictif* of this plant, *' h; ■ ' ■ : * df'tandci.t on soil and .f . .*>1 li . .i r r*t t - Mrni has -■ » u- ■ I f ;R* cf*ne ii. o s;!v pla.*’.i, m th^’ ^ ' a A i«d, on the central stem. sev. rd ' r 5,/,, ti ?,?. ;. upper whorls termirmte in cones, which arti ueually darker colotired than the commoner cone, more cortipact in form, and appearing later in the season. Another, and rarer variety, called nuduni, is very mitch smaller than the ordinary plant, scarcely mon' than throe or four inches high, having the lower part of the stem prostrate, and the branches only about the base of its stem. It is apparently but a dwarfed condition of the plant, caused by want of niitfiment. The form termed nlpinvm is very similar, and both are probably the result of growth on a soil less favourable to Inturiancc, or of having been cropped by animals. 6. /f^lvdfiam (Wood Horse-tail).—erect, brHnHic.s compound, bending downwards; ^h^nfhs looisr;](https://iiif.wellcomecollection.org/image/b28122306_0316.jp2/full/800%2C/0/default.jpg)
