'^IR TTredinacefE, Coleosi)oriiim. 



bosis, plerumque subangulosis, 26-29 * 15-19 ; tunica tonui, verru- 

 coso-papillata; teleutosoris hypopliyllis, in greges orbiculares vel 

 augulosos 3-8 mm. diam., quandoque nervis limitatis, centrifuge 

 evolutis, dense confertis, parvis usque ad 0,25 mm. latis, pul- 

 vinatis, e flavo-aurantiacis pallide flavis; teleutosporis tunica su- 

 pra usque ad 15-20 |j.. incrassata, oblongis, 38-58 =* 15-21, utrinque 

 rotundatis v. obtusatis, subtus non v. anguste attenuatis, contentu 

 e flavo-aurantiaco hyalino. 



Ilah. in foliis Begoni;e sp. Mexico. 



4. Coleosporium ribicola C. et E.) Arthur, North Amer. Fl. v. VII 2730 

 (1907; p. 86. Huc spoctant Uredo ribicola C. et E. — Syll. VII 



p. 859 — U. Jonesii Peck — Syll. VII, p. 852. — Teleutosoris 

 hypophyllis uredosoris conformibus, sparsis v. in parvos greges 

 confertis et in maculis flavis conspicuis insidentibus, 0,5 mm. diam., 

 G rubro flavo-aurantiacis v. palU le flavis; teleutosporis tunica su- 

 pra 15-25 ;j,. incrassata, teretibus, 48-60*^17-22, utrinque rotun- 

 datis V. acutatis, contentu ex aurantiaco-flavo pallide flavo. 



llah. in foUis Ribis inebriantis, leptanthi, longifo- 

 lii, pumili, Purpusii, Colorado, New Mexico Amer. bor. 



5. Coleosporium Steviae Arthur, Bat. Gaz. XL (1905) p. 197; North 2731 

 Amer. Fl. v. VII (1907^ p. 90. — Uredosoris hypophyllis, irre- 

 gulariter sparsis, 0,25-0,5 mm. cr., mox nudis, e flavido albis ; 

 uredosporis ex elHpsoideo flavis, pkis minusve angulosis, 26-35 « 

 18-23. tunica subtenui, 1,5-2 a., minute verrucosa; teleutosoris 

 hypophyUis, irregulariter sparsis. s.epe confluentibus, 0.25-0,5 mm. 

 diam., sublevatis, ex aurantiaco-flavo pallide flavis; teleutosporis 

 tunica sursum 30-40 ;j.. cr., contentu ex aurantiaco-flavo subhya- 

 lino, cylindraceis, 50-75 * 12-19, utrinque rotundatis vel trun- 

 catis. 



llah.m foliis Steviic monarda^foliii', reglensis, rhom- 

 bifoli;c, salicif oliai , trachel ioidis , viscidse in Mexico, 



6. Coleosporium Tereblnthinaceae (Schw.) Arthur, North Amer. Fi. 2732 

 VII 1907j p. 93. Huc dueenda est Uredo Terehinthinacecti Schw. —  

 Uredosoris hypophyllis, sparsis, 0,'25-0,5 mm. diam., mox nudis, 



e flavo-aurantiaco albis, uredosjioris globosis 16-27 « 12-21, tunica 

 1,5-2 ;j.. cr., dense verrucosa; toleutosoris hypophyllis, sparsis, 

 usque ad 0,5 mm. diam. e flavo-aurantiacis pallide flavis, subele- 

 vatis; teleutosporis tunica sursum usque ad 20-30 ;j.. cr., contentu 

 e flavo-aurautiaco subhyaiino, oblongis v. cylindraceis, 48-64 < 

 17-22, utrinquc truucatis v. rotuudatis. 



