. The British rust fungi (Uredinales) their biology and classification. Rust fungi. ON CYPERACE^ 241 had the same experience at Bremen. Bubdk experimentally demonstrated the truth of the suspicion (CEsterr. Bot. Zeitschr. 1898, xlviii. 14). The teleutospores were first found, in this country, on Scirpus lacustris floating down the river Ouse at King's Lynn, Nov. 17, 1877. The plants had evidently been cut on that river or one of its tributaries, but it was not till 1894 that the teleutospores were found in situ near Earith, Huntingdonshire ; and a visit to the Old Bedford Level at that place,
. The British rust fungi (Uredinales) their biology and classification. Rust fungi. ON CYPERACE^ 241 had the same experience at Bremen. Bubdk experimentally demonstrated the truth of the suspicion (CEsterr. Bot. Zeitschr. 1898, xlviii. 14). The teleutospores were first found, in this country, on Scirpus lacustris floating down the river Ouse at King's Lynn, Nov. 17, 1877. The plants had evidently been cut on that river or one of its tributaries, but it was not till 1894 that the teleutospores were found in situ near Earith, Huntingdonshire ; and a visit to the Old Bedford Level at that place, in July, 1895, revealed the aecidia in abundance. See Gard. Chron. {I. c). Distribution: Europe generally; a similar secidium on Limnanthemum indicum has been found in Queensland, but no teleutospores have yet been found there. 108. Puccinia Caricis Reb. ^cidium Urticae Sebum. Enum. PI. Sail. ii. 222. Cooke, Handb. p. 541 ; Micr. Fung. p. 197, pi. 1, f. 10, 11. Uredo Caricis Schum. I. a. p. 231. Trichobasis caricina Berk. ; Cooke, Micr. Fung. p. 223, pi. 8, f. 170—1. PiiCGinia Caricis Rebeut. Fl. Neom. p. 356. Plowr. Ured. p. 169. Sacc. Syll. vii. 626. Sydow, Monogr. i. 648. Fischer, Ured. Schweiz, p. 265, f. 201. McAlpine, Rusts of Australia, p. 133, f. 29, 30. P. striola Link, Sp. PI. p. 67. Cooke, Handb. p. 493 ; Micr. Fung. p. 203 Spermogones. Epiphyllous, in small clusters, honey-coloured. JEcidiospores. .^cidia hypophyllous or occasionally amphi- genous, often on the petioles and stems, on reddish, yellow or pur- plish spots, in dense clusters of various sizes which are often very large and cause great swelling and distortion on the stems, cup- shaped, with torn white recurved margin; spores verruculose, orange, 16—26x12—20 yet. Uredospores. Sori amphige- nous, generally hypophyllous, scat- tered, oblong, about ^ mm. long, pale-brown; spores subglobose to oval, echinulate, yellow-brown, 21—30x15—22/i, with three (rarely four) germ-pores. G. u. 16. Fig. 186.
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