I I'M 



I HoMVCES 



Fig. 71. U. Gageae. 

 Teleutospores. 



31. Uromyces Gageae Beck. 



Uromyces Gageae Beck, Verh. k.-k. zooL-bot. Gesell. W'icn, xxx. 26. 



Sacc. SylL vii. 568. Sydow, Monogr. ii. 27:3. Fischer, Ured. 



Schweiz, \>. 1, I'. 3. 

 r Omitlwgali Plowr. Ured. p. 1 12. 



Teleutospores. Sori amphigenous, scattered, roundish or 



elliptical, 1 — 3 mm. long, covered by the 

 lead-coloured epidermis which at length 

 splits longitudinally, then naked, pul- 

 verulent, dark-brown; spores subglobose 

 to obovoid, not or scarcely thickened 

 above, but usually with a hyaline apiculus, 

 smooth, brown, 20 — 40x18 — 28 /a; epi- 

 spore 2 /* thick ; pedicels hyaline, shorter 

 than the spores. 



On leaves of Gagea lutea. Rare. April, May. (Fig. 71.) 



The teleutospores mature in spring, according to Fischer. Plowright 

 says that the mycelium causes variously shaped pale spots on the affected 

 leaves ; hut I find no spots and in Sydow it is said that there are none. 



Distribution : Western and Central Europe. 



32. Uromyces Scillarum Wint. 



Uredo Scillarum Grev. in Smith, Engl. Fl. v. 376. 



Uromyces concentrieus~Le\\ ; Cooke, Handh. p. 519; (4revillea, vii. 138 ; 



Micr. Fung. p. 213. 

 U. Scillarum Winter, Pilze Deutschl. p. 142; Plowr. Ured. p. 141. 



Sacc. Syll. vii. 567. Sydow. Monogr. ii. 278. Fischer, Ured. 

 2, f. 1. 



Sori amphigenous, usually seated on pallid 

 or yellowish spots, small, round or 

 oblong, up to -| mm. diam., collected 

 into round or oblong clusters, often 

 concentrically arranged, sometimes 

 confluent, long covered by the epi- 

 dermis which at length splits and 

 surrounds them, pulverulent, dark- 

 brown; spores subglobose to oblong, 

 usually rounded and not thickened 

 above, smooth, occasionally marked with a few very faint lines 



Schweiz, p. 

 Teleutospores. 



Fig. 72. U. Scillarum. Teleu- 

 tospores, on .S'. nutans; a, 

 teleutospore, on S. campanu- 

 lata. 



