. A history of British ferns. Ferns. POLYSTICHUM 107. The radicles are long, strong, black, and wiry: the caudex is woody, erect, or recum- bent through age, and long-enduring, its Upper extremity a brown, chaffy, but not very salient crown, composed of the undeve- loped fronds : the stipes is very short, scarcely separable from the rachis, and clothed with reddish, chaffy scales : the frond is linear, pinnate : pinnae crowded, overlapping, some- what crescent-shaped, auricled on the upper side, next the stem, ser- rated and acutely spined ; each pin- na is sessile, but not decm're
. A history of British ferns. Ferns. POLYSTICHUM 107. The radicles are long, strong, black, and wiry: the caudex is woody, erect, or recum- bent through age, and long-enduring, its Upper extremity a brown, chaffy, but not very salient crown, composed of the undeve- loped fronds : the stipes is very short, scarcely separable from the rachis, and clothed with reddish, chaffy scales : the frond is linear, pinnate : pinnae crowded, overlapping, some- what crescent-shaped, auricled on the upper side, next the stem, ser- rated and acutely spined ; each pin- na is sessile, but not decm'rent, set on obliquely with the rachis, and twisted, a character I have attempted to represent at page 103 ; this twist- ed character is least apparent in the Welch specimens, which have also a more lax habit than the Scotch and Irish plants; the "Welch specimens, moreover, are generally pendulous, the Scotch and Irish ones more usu- ally erect; there is also a difference in the colour, that of the English and Welch specimens approaching the ordinary hue of P. aculeatum, whUe that of the Scotch and Irish specimens is full, rich, shining green,. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Newman, Edward, 1801-1876. London, J. van Voorst
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Keywords: ., bookcentury1800, bookdecade1850, bookpublisherlondo, bookyear1854
