. The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 533 Leptostromella Saccardo (p. 532) Pycnidia at first covered, at maturity apparently superficial, depressed convex, subcarbonous, dark colored; conidia bacillar or filiform, continuous or sep- tate. About twenty species, chiefly of no economic importance. L. elasticae E. & E. Spots large, more or less el- liptic, whitish, sordid, purplish margined; pycnidia epiphyllous, fiq. 364.—LeptostromeiTa eiastictB. hysterioid, mm.; longi- After Stone and Smith, tudinally dehiscent; conidia ob
. The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 533 Leptostromella Saccardo (p. 532) Pycnidia at first covered, at maturity apparently superficial, depressed convex, subcarbonous, dark colored; conidia bacillar or filiform, continuous or sep- tate. About twenty species, chiefly of no economic importance. L. elasticae E. & E. Spots large, more or less el- liptic, whitish, sordid, purplish margined; pycnidia epiphyllous, fiq. 364.—LeptostromeiTa eiastictB. hysterioid, mm.; longi- After Stone and Smith, tudinally dehiscent; conidia oblong, hyaline, continuous, 12-15 x 4-5 n; conidiophores 12-15 x 3-4 jn; obtuse, subolivaceous. The cause of leaf spots of Ficus elastica.^'* Ezcipulaceae (p. 479) Pycnidia membranous to carbonous, black, cup-shaped, patel- late or hysterioid, at first more or less spherical but at length widely open, erumpent or superficial, glabrous or hairy. Key to Sections of Excipulaces Conidia globose to fusoid, continuous Hyaline I. Hyalosporse, p. 533. Colored II. Phseosporae. Conidia 1-septate, hyaline III. Hyalodidymae, p. 536. Conidia 2 to several-septate Hyaline IV. HyalophragmiaB. Colored V". Phseophragmise. Conidia filiform or bacillar VI. Scolecosporae, p. 536. Excipulacex-Hyalospors Conidia hyaline, continuous, globose to 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
