I'iinisitir Fnuiji of Illinois. 'l\?, 



Credo puatiilata, var. Epilohii: 8ul)r()tund, flavescent, minute, little 

 ])rominent, closed, collected in little clusters.— Pers. Syn. Fung. j). 219. 



Mdcunpmra epilohii, Fckl. F. rli. 301). I., II. — I. Fungus stylosporif- 

 erus. Uredo Epilobii DC. Fl. Fr. II. p. 226. On leaves of Epilobiuni 

 montanuni, roseuni and angustifolium, plentiful in suniiuer. 11. Fun- 

 gus teleutosporiferus. Soii plane, continent, black-fuscous; teleutospores 

 obovate-clavate, fuscous. On the under surface of withered leaves of 

 Epilobium am/tiKtifolivvr, rare in aiitnmn — Fuckel, Synib. Myc. }). 44. 



Oil Kpilohiiiin colontfHiii: JoDaviess. Sept. 20. 601*.*. II. 

 Fersoon described (Syii. Fung. p. 219) Vn'do piistnlatd 

 var. rpilohli. and DeCandolle wrote Uredo epilohii (Flora Fraiio. 



II. J). 221')), and Fnckel deseril)ed the telentoforni and referred 

 the nredo to same species. The name Uredo /)iisttd(ff(i. Pers.. 

 has heen used for various s])ecies. 



M. crotonis, Pmrrill. 



I!., ill. Amphigenoiis. Fredosori scattered, ratlier j)rom- 

 inent. circuhir. cinnamon-coh)red; uredospores obovate, sharply 

 echinulate. |)rodaced on pedicels, 15-21 by 18-27 i*; teleutosori 

 irregular, scattered or somewhat confluent, slightly elevated, 

 reddish brown; teleutospores irregular, mostly elliptical or ob- 

 long, one, two. or more celled, arranged in an irregular layer 

 composed of variously imbricated spores, smooth, cell-contents 

 granular, pale to dark brown. 11-15 by 30-42 ,u. 



Trirhoba.ns crotonlx, Cooke. Amphigenous; sori minute, subrotund, 

 surrounded by the ruptured epidermis, fuscous: pseudospores globose 

 or ovate, finely warty (28-30 « diam.). On leaves of Croton procum- 

 bens, California. — Cooke, Grevillea, VI., p. 137. 



On leaves of Crofoii mpifatinn: Marion. Oct. 2(». F.lOO, II.. 



III. C. iiwnatif hog y Hits: Johnson. May 12. 4649, 11.; Jersey, 

 Oct. 12, 6282. Oct. 14. 6822; Jackson. Oct. 22, 1945, II., III.: 

 Nov. 5, 22()R; Union, Oct. 25, 2010. II.. III., Oct. 81. 2157. II., 

 in., Nov. 1. 22F1. Crofonopsis linraris: LaSalle. Sept. 28. 



n22r). 



The uredo is Tricholxtsis crofoHis. Fke. The teleutoform 

 seems to l)elong to the group separated by Magnus under the 

 generic name of PhrtKintosjXtra. but it is not easy to nnike out 

 the relation of the sjjores to the cells of the host in dried 

 specimens. 



