. Diseases of plants induced by cryptogamuc parasites; introduction to the study of pathogenic fungi, slime-fungi, bacteria, and algae. English ed. by William G. Smith. Plant diseases; Parasitic plants. 402 UREDINEAE. G. Ellisii J]erk. On Cliamaccyparis thi/oidcs. The aecidial stage on Pyrus Mains and P. arhutifolia. On I'ed cedar (Junipcrvs virginiana) : G. macropus Lk. The aecidia and pycnidia occur on Pyrus Mains, P. coronaria, P. arhutifolia, Crataegus tomentosa, C. Douglasii, and Amelancliicr canadensis: they are k'nown as. Fig. 237.—Spores of Gym. hiscptatum, (After Woernle.) Fio. 238.—S


. Diseases of plants induced by cryptogamuc parasites; introduction to the study of pathogenic fungi, slime-fungi, bacteria, and algae. English ed. by William G. Smith. Plant diseases; Parasitic plants. 402 UREDINEAE. G. Ellisii J]erk. On Cliamaccyparis thi/oidcs. The aecidial stage on Pyrus Mains and P. arhutifolia. On I'ed cedar (Junipcrvs virginiana) : G. macropus Lk. The aecidia and pycnidia occur on Pyrus Mains, P. coronaria, P. arhutifolia, Crataegus tomentosa, C. Douglasii, and Amelancliicr canadensis: they are k'nown as. Fig. 237.—Spores of Gym. hiscptatum, (After Woernle.) Fio. 238.—Spores of Gi/m. Ellisii. (After Woernle.) Fig. 239.—Spores of Gym. macropus. (After Woernle.) Roestclia pirata. This is one of the commonest causes of apple-rust and of the deformation known as " cedar apples " (Fig. 240). The anatomy of the latter structures has been described by Sanford.^ G. clavipes Cooke et Peck, occurs on Juniprrus commnnis. Its aecidia and pycnidia are found on Pyrus Mains, P. arhuti- folia, and AmclancJiier canadensis. ^ Sanford, Annals of Botany, 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 Tubeuf, Karl, Freiherr von, 1862-. London Longman's, Green


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Keywords: ., bookcentury1800, bookdecade1890, booksubjectparasit, bookyear1897