. The British rust fungi (Uredinales) their biology and classification. Rust fungi. ON UMBELLIFERJi: â 189 better devoloped, and the teleutospores are plainly but not so densely reticulate. Klebahn proved by cultures that P. Pimpinellae is distinct from P. GhaerophylU, and Semadeni similarly proved its difierence from that species and from P. Heraclei ; the latter showed (Centralbl. f. Bakt. 2. xiii. 215) that it could be transferred to other species of the genus Pimpinella, but not to other genera of the Umbelliferse. Distribution : Europe, Asia Minor, East Indies, Algeria. 61. Fuccinia Buple
. The British rust fungi (Uredinales) their biology and classification. Rust fungi. ON UMBELLIFERJi: â 189 better devoloped, and the teleutospores are plainly but not so densely reticulate. Klebahn proved by cultures that P. Pimpinellae is distinct from P. GhaerophylU, and Semadeni similarly proved its difierence from that species and from P. Heraclei ; the latter showed (Centralbl. f. Bakt. 2. xiii. 215) that it could be transferred to other species of the genus Pimpinella, but not to other genera of the Umbelliferse. Distribution : Europe, Asia Minor, East Indies, Algeria. 61. Fuccinia Bupleuii Rud. ^cidium Falcariae (3. Bupleuri-falcati DC. Flor. fr. vi. 91. Puccinia Buplewri Rud. in Linnsea, iv. 514 (1829). Cooke, Grevillea, vi. 47. Plowr. Ured. p. 154. P. Bupleiiri-faleati Wint. Pilze, p. 212 (1884). Sydow, Monogr. i. 364. Fischer, Ured. Schweiz, p. 123, f. 94. [Spermogones. Hypophyllous, numerous, generally scattered over the whole surface among the Eecidia. ^cidiospores. ^cidia hypophyllous, or a few epiphyllous, uniformly scattered, cup-shaped, with a torn white revolute mar- gin ; spores globose or ellipsoid, punctate, yellow, 16â24/a.] Uredospores. Sori amphi- ^ genous, scattered or occasion- flllv pirfinatP on minntp naler- ^ig- 137. P. Bupleuri. Teleuto- aiiy circmate, on mmuie paier ^p^^^g (Walton-on-the-Naze). spots, small, rounded, cinna- mon ; spores globose to ellipsoid, echinulate, yellow-brown, 19â24 X 17â22 fi, with three, four, or even five germ-pores. Teleutospores. Sori amphigenous, minute, scattered, round- ish, on the stems often larger and oblong, occasionally confluent, covered by the epidermis, at length naked, blackish-brown ; spores oblong to clavate, rounded at both ends, not thickened above, hardly constricted, smooth, brown, 25â44 x 16â30^; pedicels hyaline, thin, short, deciduous. On Bupleurum tenuissimum. Very rare. Uredo- and teleutospores, Walton-on-the-Naze, August, 1887. (Fig. 137.) The uredospores were found in small qua
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