. The British rust fungi (Uredinales), their biology and classification. Uredineae. Fig. 254. M. Larici-Cajirearnm. Para- physis and uredospores (one showing . the thin places in the epispore); b, teleutosjDores. On S. Caprea. Fig. 255. 31. Larici-Caprearum. Teleuto-sori, on upper face of leaf of S. Caprea, nat. size; teleuto- sj^ore, germinating, x 360. Ui-edospores. Sori hypophyllous, showing as yellow-spots on the upper side, variable in size and arrangement, 1—3 mm. wide; spores roundish, oval, or polygonal, 14—21 x 13—15/u.; epispore 2—2^ /x thick, firm, distantly echinulate, with thin pl


. The British rust fungi (Uredinales), their biology and classification. Uredineae. Fig. 254. M. Larici-Cajirearnm. Para- physis and uredospores (one showing . the thin places in the epispore); b, teleutosjDores. On S. Caprea. Fig. 255. 31. Larici-Caprearum. Teleuto-sori, on upper face of leaf of S. Caprea, nat. size; teleuto- sj^ore, germinating, x 360. Ui-edospores. Sori hypophyllous, showing as yellow-spots on the upper side, variable in size and arrangement, 1—3 mm. wide; spores roundish, oval, or polygonal, 14—21 x 13—15/u.; epispore 2—2^ /x thick, firm, distantly echinulate, with thin places (? germ-pores); paraphyses capitate, 50—60 x 18—26 fi, thickened (up to 5 /x) above. Teleutospores. Sori epiphyllous, 1 mm. or more wide, dark reddish-brown, frequently confluent in extensive crusts, lying between the cuticle and the epidermis; spores prismatic, rounded below, 30^45 x 7—14 /x, rather unequal in length: epispore clear-brown, thin (1/x), but thickened (up to 10/a). 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