. The fungi which cause plant disease . Plant diseases; Fungi. 188 THE FUNGI WHICH CAUSE PLANT DISEASE or more or less persistent; perithecia usually scattered, rarely gregarious, 140-270 /t, rarely up to 350 n; cells rather obscure, 15-20 fi; the apical outgrowth becomes mucilaginous attaching the perithecium firmly to places where it may fall; appendages. Fig. 137.—Phyllactinia corylea. 1. Natural size, on chestnut leaf. 2. Perithecium enlarged. 3. Two asci. 4. Three spores. 5. Conidia-bearing hyphae. 6. Co- nidium germinating. After Anderson. 5-18, equatorial, 1 to 3-times the diameter of t
. The fungi which cause plant disease . Plant diseases; Fungi. 188 THE FUNGI WHICH CAUSE PLANT DISEASE or more or less persistent; perithecia usually scattered, rarely gregarious, 140-270 /t, rarely up to 350 n; cells rather obscure, 15-20 fi; the apical outgrowth becomes mucilaginous attaching the perithecium firmly to places where it may fall; appendages. Fig. 137.—Phyllactinia corylea. 1. Natural size, on chestnut leaf. 2. Perithecium enlarged. 3. Two asci. 4. Three spores. 5. Conidia-bearing hyphae. 6. Co- nidium germinating. After Anderson. 5-18, equatorial, 1 to 3-times the diameter of the perithecium; asci 5-45, subcylindric to ovate-oblong, 60-105 x 25-40 fi, more or less stalked, 2, rarely 3-spored; spores 30-42 x 16-25 /t. Conidia (=Ovulariopsis) acrogenous, solitary, hyaline, sub- clavate. On Magnolia, Liriodendron, Berberis, Xanthoxylum, Ilex, Celas- trus, Acer, Desmodium, Crataegus, Heuchera, Ribes, Hamamelis, Fraxinus, Asclepias, Catalpa, Cornus, Ulmus, Betula, Alnus, Cory- lus, Ostrya, Carpinus, Quercus, Castanea, Fagus and 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
