Uredinacese, Coleosporlnm . 719 



Hah. in foliis Parthenii integrifolii, Polyrnni.e ma- 

 culata^, Silphii terebinthinacei etc. in Amer. bor. 



7. Coleosporium occidentale Arth., North Amer. Fl. YII (1907) p. 94. 2733 



— Uredosoris hypophyllis, sparsis v. subgregariis. parvis, 0,25- 

 0,5 mm. diam., mox nudis, e flavo albescentibus; uredosporis late 

 ellipsoideis, 25-33 * 16-22, tunica 1,5-2 \y. cr., verrucosa; teleuto- 

 soris hypophyllis, sparsis, parvis, 0,25 mm. cr.; sublevatis, e fla- 

 vo-aurantiaco pallide flavis; teleutosporis tunica sursum 15-20 \i. 

 cr., contentu ilavo-aurantiaco subhyalino, oblongis v. clavato-ob- 

 longis, 50-72 ^ 17-20, supra rotundatis v. truncatis, basi rotundatis 

 V. obtusis. 



Hdb. in foliis Senecionis hydrophiloidis, Washington 

 Amer. bor. 



8. Coleosporium (Uredo) Eupatorii Arth, BuII. Torr. Bot. CI. XXXTII 2734 

 (1906) p. 31; North Amer. FI. v. VII (1907) p. 90. — Uredo- 

 soris plerumque hypophyllis, sparsis, rotundatis, parvis, 0,25 mm. 

 lat., mox nudis, pulveraceis, e fiavo albidis; uredosporis breviter 

 eilipsoideis v. globoideis, 22-27 ^ 15-20, tunica decolorata, 2-2,5 ^.. 



cr., medietate tantum tuberculis deciduis longiusculis prsedita; te- 

 leutosoris ignotis. 



Hah. in foliis Eupatorii macrophylli et Eupatorii 

 Collini, Cuba, Nicaragua, Amer. centr. 



9. Coleosporium arnicale Arth., North Amer. FI. VII (1907) p. 94. 2735 



— Dredosoris hypophyllis, gregariis v. sparsis, latis, usque ad 1 

 mm. diam., mox nudis, flavo-aurantiacis ; uredosporis ellipsoideis 

 V. globosis, 22-33 » 22-27, tunica 2-3 [j.. cr., crebre et minute ver- 

 rucosa et tuberculis deciduis pr^dita; teleutosoris ignotis. 



Hdb. in foliis Arnicic cante, Washington Amer. bor. 



10. Coleosporium Dahliae Arthur, Bot. Gaz. XL (1905) p. 197; North 2736 

 Amer. FI. v. VII (1907) p. 93. — Uredosoris hypophyllis, irre- 

 gulariter sparsis, usque ad 0,5 mm. cr., mox nudis, e ilavo albis; 

 uredosporis irregularitor ellipsoideis, 24-30 ^ 16-22, tunica subtenui, 



2 u.., crasse et crebro verrucosa; teleutosoris hypoi>hyIIis, irregu- 

 lariter sparsis, quandoquo confluentibus, 0,5 mm. c. cr., e nitide 

 flavo-aurantiaeis pallide flavis; teleutosporis tunica sursum 10-20 ij,. 

 incrassata, contenta e nitide aurantiaco-flavo pallido viridi-flavo, 

 oblongis, 45-70^18-21, utrinque rotundatis. 



Hab. in foliis Dahliie variabilis, in Mexico. 



11. Coleosporium Saussureae Diet., Engl. Jahrb. XXXIV (1905) 2737 

 p. 588. — Soris minutis, 0,25 mm. latis v. minoribus, siepe circa 



