. The British rust fungi (Uredinales) their biology and classification. Rust fungi -- Great Britain. I 12 UROMYCES /Eddiospores. .Kcidia amphigenous, clustered in circles 5— l x 1(5—21 /x: epispore about 1 \ fx thick. Teleutospores. Sori amphigenous but mostly cauline, on the leaves rounded and 1—3 mm. on the stems lanceolate and even as much as 3 cm. long (Sydow), thick, compact, dark-brown; spores vei \ variable, oval to subpyriform, rounded or subcorneal at the apex, thickened or not, smooth, brown, 24—35x18—20//,; pedicels pale-brown, persistent, up to 80 /x long or Fig. 64.


. The British rust fungi (Uredinales) their biology and classification. Rust fungi -- Great Britain. I 12 UROMYCES /Eddiospores. .Kcidia amphigenous, clustered in circles 5— l x 1(5—21 /x: epispore about 1 \ fx thick. Teleutospores. Sori amphigenous but mostly cauline, on the leaves rounded and 1—3 mm. on the stems lanceolate and even as much as 3 cm. long (Sydow), thick, compact, dark-brown; spores vei \ variable, oval to subpyriform, rounded or subcorneal at the apex, thickened or not, smooth, brown, 24—35x18—20//,; pedicels pale-brown, persistent, up to 80 /x long or Fig. 64. U. Chenopodii. Teleutospores on Suaeda fruticosa (foreign, ex herb. De Thiimenl. On stems, branches and leaves of Suaeda maritime/,. Rare. Terrington Marsh (Mr H. G. Ward); North Wootton Marsh (C. B. P.); August. The gecidia are recorded from Worthing (Miss A. L. Smith, Journ. of Bot. May, 1898), as well as by Plowright from North Wootton. (Fig. 04.) Teleutospores very variable, short and broad or long and narrow in the same sorus ; thickening of apex also varying from 3 to 7 /* ; pedicels often very long and flexuous. The name of this species is misleading ; it has been found on S. fruticosa, but not on the present-day Chenopodium. Plowright mentions, as showing the distinctness of this species from U. Salicomiae, that at North Wootton Marsh it did not spread to Salicomia herbacea, which was Distribution : Germany, and most of the countries in South Europe and North 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 Grove, W. B. (William Bywater), 1848-1938. Cambridge, University Press


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