. The British rust fungi (Uredinales) their biology and classification. Rust fungi. Fig. 164. F. fusca. Teleutospores. Puccinia Calthae Link. JScidium Calthae Grev. Flor. Edin. p. 446. Cooke, Handb. p. 539 ; Micr. Fung. p. 196. Puccinia Calthae Link, Sp. Plant, ii. 79. Cooke, Handb. p. 504 ; Micr. Fung. p. 210. Plowr. Ured. p. 145. Sacc. Syll. vii. 602. Sydow, Monogr. i. 540. Fischer, Ured. Sohweiz, p. 310, f. 225. 8permogones. In little clusters, honey-coloured. jEcidiospores. ^cidia hypophyllous, in little clusters on roundish yellowish spots, or on the stems in elongated swellings, cup- sha
. The British rust fungi (Uredinales) their biology and classification. Rust fungi. Fig. 164. F. fusca. Teleutospores. Puccinia Calthae Link. JScidium Calthae Grev. Flor. Edin. p. 446. Cooke, Handb. p. 539 ; Micr. Fung. p. 196. Puccinia Calthae Link, Sp. Plant, ii. 79. Cooke, Handb. p. 504 ; Micr. Fung. p. 210. Plowr. Ured. p. 145. Sacc. Syll. vii. 602. Sydow, Monogr. i. 540. Fischer, Ured. Sohweiz, p. 310, f. 225. 8permogones. In little clusters, honey-coloured. jEcidiospores. ^cidia hypophyllous, in little clusters on roundish yellowish spots, or on the stems in elongated swellings, cup- shaped, with a torn whitish recurved margin; spores delicately verrucu- lose, orange, 21—28 fj,. Uredospores. Sori generally hj^- pophyllous, minute, scattered, round- ish, pulverulent, chestnut; spores globose to ellipsoid, echinulate, pale- chestnut, 22—30 X 20—25 /x, with two germ-pores in the upper half. Teleutospores. Sori amphigenous, small, irregularly scat- tered or often circinate, pulverulent, but persistent, black- brown; spores oblong-clavate or fusoid, generally with a paler. Fig. 165. P. Calthae. 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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