88 



UROMYCES 



is one of the species in which it is stated Dietel, Flora, L895, Ixxxi. 

 396), tli.it the secidiospores can reproduce the secidia. Spermogones are 

 found sparingly only with the first generation of the secidia and at the 

 same time. The secondary secidiospores, in fact, take the place of 

 uredospores. 



Distribution: Europe generally. 



3. Uromyces Limonii LeY 



JEcidmm Statices Desm. ; Cooke, Micr. Fung. p. 197 ; Grevillea, i. 7. 

 Uromyces Limonii Lev. Diet. Hist. Art. Uml. p. 1!). Cooke, Bandb. 



p. 518; Micr. Fung. p. 212. Plowr. Ored. p. 122, p.p. Sacc. Syll. 



vii. 532 p.p. Sydow, Monogr. ii. 41. 



sEcidiospores. iEcidia araphigenous, often on red or brownish 

 spots, in roundish clusters or elongated along the nerves, usually 

 shortly cylindrical, whitish, with a torn margin : spores densely 

 and minutely verruculose, yellowish, 21 — 32 x 18 — 26 fi. 



Uredospores. Sori amphigenous, scattered, generally round- 

 ish or, on the stem, oblong, long covered by the epidermis, at 

 length naked, pulverulent, cinnamon; spores varying from 

 globose to oblong, densely verruculose with minute- papillae, 

 yellowish-brown, 22— 32 x 20— 28 fi; epispore 1£— 2£/t thick, 

 with two or three germ-pores. 



Teleutospores. Sori amphigenous or caulicolous, scattered 



or circinate, roundish or oblong, 

 Long covered by the epidermis, 

 pulvinate, black ; spores subglobose 

 or more frequently oblong or clavate, 

 sometimes rounded, sometimes at- 

 tenuated at the apex, where the wall 

 is up to 10 fi thick, attenuated 

 below, smooth, brown, 24 — 50 x 14— 

 25 /jl: pedicels as much as 80 /x long, 

 thick, pale-brownish, persistent, 



On leaves and stems of Statice 

 Limonium. Not common. /Ecidia 

 in June and July; uredo- and teleutospores from July to 

 October. (Fig. 40. ) 



Fig. 40. U. Limonii. Teleuto- 

 spores and uredospore. 



