. The British rust fungi (Uredinales) their biology and classification. Rust fungi -- Great Britain. 186 PUCCINIA I find tin- septum of the teleutospores almost always comparatively l>road and dark, far more so than in the majority of Puccinias. Distribution : Kun>pe generally. 58. Puccinia Bulbocastani Fckl. Mcidium. Bulbocastani Cumino, Fung. Vail. Pis. lso4—5. ./-.'. llinu'i DC. Syii. \>. ")l. Cooke, Eandb. p. 540 ; Micr. Fung. p. 196. Plowr. Ured. p. 270(?). Puccinia Bulbocastani Fckl. Symb. Myc. p. 52. Cooke, Micr. Fung. p. 209. Sydow, Monogr. i. 363. Fischer, Dred. Schw
. The British rust fungi (Uredinales) their biology and classification. Rust fungi -- Great Britain. 186 PUCCINIA I find tin- septum of the teleutospores almost always comparatively l>road and dark, far more so than in the majority of Puccinias. Distribution : Kun>pe generally. 58. Puccinia Bulbocastani Fckl. Mcidium. Bulbocastani Cumino, Fung. Vail. Pis. lso4—5. ./-.'. llinu'i DC. Syii. \>. ")l. Cooke, Eandb. p. 540 ; Micr. Fung. p. 196. Plowr. Ured. p. 270(?). Puccinia Bulbocastani Fckl. Symb. Myc. p. 52. Cooke, Micr. Fung. p. 209. Sydow, Monogr. i. 363. Fischer, Dred. Schweiz, p. 133, f. 100. Spermogones. Few, scattered amongst the secidia, pale- yellowish. .h'ridiosjjures. .Ecidia rarely on the leaves, hypophyllous, more often on the petioles and stems, densely crowded, caus- ing considerable hypertrophy and curva- ture, between cup-shaped and pustulate, whitish, with a white irregularly torn margin; spores delicately verruculose, yellowish, 15—22 fx. Teleutospores. Sori amphigenous, scattered, minute, roundish, sometimes on the petioles confluent and elongated, long covered by the epidermis, black: spores ellipsoid to obovate-oblong, gener- ally rounded at both ends, not thickened above, hardly constricted, minutely reti- culate, brown, 25—42 x 14—24/m: pedicels hyaline, thin, deciduous. On Co ft hi (Bh ilium) Bulbocastanum. Very rare. Dunstable (W. G. Smith). (Fig. 134.) This species has no uredospores. Plowright confused together this and the Puccinia tumida on Conopodium denudatum (see his synonymy on pp. 206, 270). The latter species has no secidia ; this partly explains his remarks that he was unable to obtain any evidence of the connection between the secidium and the Puccinia. Nevertheless, it appears not yet. Fig. 134. V. Bulbocas- tani. Whole plant of C. Bulbocastanum, vtith aecidia. nat. size. (Dun- stable, April, 1*96.). Please note that these images are extracted from scanned page images that may have been digitally enhance
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