. The British rust fungi (Uredinales) their biology and classification. Rust fungi -- Great Britain. Fig. 155. P. Pruni-spinosae. iEcidia on A. coronaria (slightly reduced); a, an secidium on A. Aemorosa, York- shire, the normal form, and b, two less usual forms, x Fig. 156. P. Pruni-spinosae. Two teleutospores ; a, lower half of a teleuto- spore; b, uredospore; c, paraphysis; d, a cluster of teleutospores. On Wild Plum. (All x 600, except d, which is x 360.) verrucose or echinulate, pale-brown, 20—35 x 10—18/x (with three or four equatorial germ-pores, Arthur), mixed with yellowish-brown

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. The British rust fungi (Uredinales) their biology and classification. Rust fungi -- Great Britain. Fig. 155. P. Pruni-spinosae. iEcidia on A. coronaria (slightly reduced); a, an secidium on A. Aemorosa, York- shire, the normal form, and b, two less usual forms, x Fig. 156. P. Pruni-spinosae. Two teleutospores ; a, lower half of a teleuto- spore; b, uredospore; c, paraphysis; d, a cluster of teleutospores. On Wild Plum. (All x 600, except d, which is x 360.) verrucose or echinulate, pale-brown, 20—35 x 10—18/x (with three or four equatorial germ-pores, Arthur), mixed with yellowish-brown or pale capitate paraphyses more or less thickened at the 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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Keywords: ., bookcentury1900, bookdecade1910, bookpublishercambr, bookyear1913