. The fungi which cause plant disease . Plant diseases; Fungi. 428 THE FUNGI WHICH CAUSE PLANT DISEASE Fomes Fries (p. 417) Sporophore sessile, ungulate or applanate; surface varnished, encrusted, sulcate, vinose, or anoderm, rarely zonate; context corky to punky; tubes cylindric, stratiose; spores smooth, hyaline or brown. A genus of some three hundred species. T, . . /T \ /-111 88, 67, 78, 79 F. igmanus (L.) Gill. Pileus woody, ungulate, sessile, 6-7 x 8-10 x 5-12 cm.; surface smooth, encrusted, opaque, velvety to glabrous, ferruginous to. Fig. 307.—Fomes igniarius, from maple. After Atkinso
. The fungi which cause plant disease . Plant diseases; Fungi. 428 THE FUNGI WHICH CAUSE PLANT DISEASE Fomes Fries (p. 417) Sporophore sessile, ungulate or applanate; surface varnished, encrusted, sulcate, vinose, or anoderm, rarely zonate; context corky to punky; tubes cylindric, stratiose; spores smooth, hyaline or brown. A genus of some three hundred species. T, . . /T \ /-111 88, 67, 78, 79 F. igmanus (L.) Gill. Pileus woody, ungulate, sessile, 6-7 x 8-10 x 5-12 cm.; surface smooth, encrusted, opaque, velvety to glabrous, ferruginous to. Fig. 307.—Fomes igniarius, from maple. After Atkinson. fuscous, becoming rimose with age; margm obtuse, sterile, fer- ruginous to hoary, tomentose; context woody, distinctly zonate, ferruginous to fulvous, 2-3 cm. thick; tubes evenly stratified, 2-4 mm. long each season, fulvous, whitish-stuffed in age, mouths circular, minute, 3-4 to a mm., edges obtuse, ferruginous to ful- vous, hoary when yoimg: spores globose, smooth, hyaline, 6-7 ii; spines 10-25 x 5-6 m- It is the cause of a white heart-rot, is one of the most widely distributed forms of wound parasites and occurs on more species of broad-leaf trees than any other similar fungus. Among its hosts are beech, oak, apple, peach, willow, aspen, the maples, birch, butternut, walnut, oak, hickory, alder. The first sporophores usually appear at the point of initial. 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 Stevens, Frank Lincoln, 1871-1934. New York : Macmillan
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectfungi, bookyear1913
