. The British rust fungi (Uredinales) their biology and classification. Rust fungi -- Great Britain. ON COMPOSITE 135 7. Puccinia Tanaceti DC. Puccinia Tanaceti DC. Flor. fr. ii. 222. Cooke, Micr. Fung. p. 207. Plowr. Ured. p. 189 Sacc. Syll. vii. 657. Sydow, Monogr. i. 161. Fischer, Ured. Schweiz, p. 185, f. 146. P. Discoidearum Link ; Cooke, Handb. p. 499 Uredospores. Sori amphigenous, scattered, minute, not confluent, orbicular, pallid-brown ; spores subglobose or broadly ellipsoid, echinulate, yellow-brown, 25—32x16—25 fi, with three germ-pores, each covered by a convex colourles
. The British rust fungi (Uredinales) their biology and classification. Rust fungi -- Great Britain. ON COMPOSITE 135 7. Puccinia Tanaceti DC. Puccinia Tanaceti DC. Flor. fr. ii. 222. Cooke, Micr. Fung. p. 207. Plowr. Ured. p. 189 Sacc. Syll. vii. 657. Sydow, Monogr. i. 161. Fischer, Ured. Schweiz, p. 185, f. 146. P. Discoidearum Link ; Cooke, Handb. p. 499 Uredospores. Sori amphigenous, scattered, minute, not confluent, orbicular, pallid-brown ; spores subglobose or broadly ellipsoid, echinulate, yellow-brown, 25—32x16—25 fi, with three germ-pores, each covered by a convex colourless cap. Teleutospores. Sori mostly hypophyllous, similar, but more compact and blackish, ^—frara, diam.; spores ellipsoid or. Fig. 87. P. Tanaceti. Teleutospores. oblong, more or less rounded at both ends, thickened above (up to 7 fju), delicately verruculose(?) especially in the upper part, rich-brown, 32—44x16—24 p; pedicels hyaline, thick, per- sistent, as much as 120/x long. On Tanacetum vulgare. Not common. August, September. (Fig. 87.). 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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