. A history of British ferns. Ferns. GYMNOCABPIUM DEYOPTEEIS. 5r. OAK FERN, lone-third the natural size) Genus.—Gymnocarpium, (see page 49). Species. — Deyopteeis. Rhizome creeping: stipes erect, longer than the frond, purplish, glabrous: frond triple, deltoid, smooth, the three branches pinnate : pinnse pinnatifid : lateral veins usually simple : involucre generally wanting : clusters of capsules near the extremity of each lateral vein, forming a mar- ginal series : colour bright green. Ipwnpt^, fyum, fe. Polj'podium Dryopteris, Linn. Sp. PL 1555 ; Lightf. Fl. Scot. 678 ; Huds. Fl. Ang. 460 ;
. A history of British ferns. Ferns. GYMNOCABPIUM DEYOPTEEIS. 5r. OAK FERN, lone-third the natural size) Genus.—Gymnocarpium, (see page 49). Species. — Deyopteeis. Rhizome creeping: stipes erect, longer than the frond, purplish, glabrous: frond triple, deltoid, smooth, the three branches pinnate : pinnse pinnatifid : lateral veins usually simple : involucre generally wanting : clusters of capsules near the extremity of each lateral vein, forming a mar- ginal series : colour bright green. Ipwnpt^, fyum, fe. Polj'podium Dryopteris, Linn. Sp. PL 1555 ; Lightf. Fl. Scot. 678 ; Huds. Fl. Ang. 460 ; With. Arr. 780 ; Sm. E. F. iv. 283, E. B. 616 ; Mack. Fl. Hih. 338 ; Franc. 24 ; Newm. F. 123 ; Hook, and Am. 567 ; Moore, 53. Polypodium Dryopteris, Bolt. Fil. Brit. 52, t. 28. Polystichum Dryopteris, Both, Fl. Germ. iii. 80. I. 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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