. The British rust fungi (Uredinales), their biology and classification. Uredineae. ooo. Fig. 246. C. Campanulae. a, uredo- Fig. 247. C. Campanulae. Teleuto- sori on C. rotundifolia, nat. size ; .spores, beneath the epidermis, h, uredospore and young and x 360; and uredospore x 600. On mature teleutospores, on C. glome- C. rotundifolia. rata, x 600. Uredospores. Sori hypophyllous, scattered, often confluent, covering the whole leaf-surface, also on the stems, roundish or irregular, covered by the epidermis for some time, then naked, yellow or yellowish-red, fading to whitish; spores ellipsoid


. The British rust fungi (Uredinales), their biology and classification. Uredineae. ooo. Fig. 246. C. Campanulae. a, uredo- Fig. 247. C. Campanulae. Teleuto- sori on C. rotundifolia, nat. size ; .spores, beneath the epidermis, h, uredospore and young and x 360; and uredospore x 600. On mature teleutospores, on C. glome- C. rotundifolia. rata, x 600. Uredospores. Sori hypophyllous, scattered, often confluent, covering the whole leaf-surface, also on the stems, roundish or irregular, covered by the epidermis for some time, then naked, yellow or yellowish-red, fading to whitish; spores ellipsoid to oblong, subangular, strongly and rather densely verruculose, orange, 21—35 x 14—21 fx. Teleutospores. Sori hypophyllous, subepidermal, scattered, often confluent, forming small, flat, red, then pale-brownish crusts; spores prismatic, up to 100yu. long, 21—28yu. wide; epispore hyaline, reaching 35 fx at the summit, but thin 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, William Bywater. Cambridge, Univ. Press


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Keywords: ., bookcentury1900, bookdecade1910, bookpublishercambr, bookyear1913