. The British rust fungi (Uredinales), their biology and classification. Uredineae. 88 UROMYCES is one of the species in which it is stated (Dietel, Flora, 1895, Ixxxi. 396), that the secidiospores can reproduce the secidia. Spermogones are found sparingly only with the first generation of the tecidia and at the same time. The secondary tecidiospores, in fact, take the place of uredospores. Distribution : Europe generally. 3. Uromyces Limonii Lev. JEcidium Statices Desm. ; Cooke, Micr. Fung. p. 197; Grevillea, i. 7. Uromyces Limonii Lev. Diet. Hist. Art. Ured. p. 19. Cooke, Handb. p. 518 ; Mic
. The British rust fungi (Uredinales), their biology and classification. Uredineae. 88 UROMYCES is one of the species in which it is stated (Dietel, Flora, 1895, Ixxxi. 396), that the secidiospores can reproduce the secidia. Spermogones are found sparingly only with the first generation of the tecidia and at the same time. The secondary tecidiospores, in fact, take the place of uredospores. Distribution : Europe generally. 3. Uromyces Limonii Lev. JEcidium Statices Desm. ; Cooke, Micr. Fung. p. 197; Grevillea, i. 7. Uromyces Limonii Lev. Diet. Hist. Art. Ured. p. 19. Cooke, Handb. p. 518 ; Micr. Fung. p. 212. Plowr. Ured. p. 122, Sacc. Syll. vii. 532 Sydow, Monogr. ii. 41. yEcidiospoj^es. iEcidia amphigenous, often on red or brownish spots, in roundish clusters or elongated along the nerves, usually shortly cylindrical, whitish, with a torn margin; spores densely and minutely verruculose, yellowish, 21—32 x 18—26 yu,. Uredospores. Sori amphigenous, scattered, generally round- ish or, on the stem, oblong, long covered by the epidermis, at length naked, pulverulent, cinnamon; spores varying from globose to oblong, densely verruculose with minute papillfv, yellowish-brown, 22—32 x 20—28 yu,: eyjispore ^—^^l thick, with two or three germ-pores. Teleutospores. Sori amphigenous or caulicolous, scattered or circinate, roundish or oblong, long covered by the epidermis, pulvinate, black; spores subglobose or more frequently oblong or clavate, sometimes rounded, sometimes at- tenuated at the apex, where the wall is up to 10 /.I thick, attenuated below, smooth, brown, 24—50 x 14— 25 fi; pedicels as much as 80 fj, long, thick, pale-brownish, persistent. On leaves and stems of Statice Lhnonium. Not common, ^cidia in June and July; uredo- and teleutospores from July to October. (Fig. 40.). Fig. 40. U. Limonii. Teleuto- spores and Please note that these images are extracted from scanned page images that may have been digitally enhanced for read
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