Coleosporium tussilaginis (Pers.) Lév. 1849

Coleosporium campanulae (Pers.) Lev. Ann. Sci. Nat. III
8: 373. 1847.
Uredo Campanulae Pers. Syn. Fung. 217. 1801.
Uredo tremulosa Campanulae Strauss, Ann. Wett. Ges. 2 : 90. 1810. Caeoma Campanularum Link, in Willd. Sp. PI. 6 2 : 16. 1825. Peridermium Rostrupi Ed. Fisch. Bull. Soc. Bot. Fr. 41 : clxxi. 1894.
Pycnia amphigenous, scattered, numerous, originating between mesophyl and cortical layer, noticeable, large, 0.2-0.4 mm. wide, 1-2 mm. long, dehiscent by a longitudinal
slit, 90-110 ii high.
Aecia from a limited mycelium, amphigenous, scattered, 1-3 on discolored spots, bullate, tongue-shaped, large, 1-3 mm. long, 0.7-1.5 mm. high, yellow fading to white; peridium rupturing irregularly, fragile, white, cells overlapping, outer and inner walls same thickness, about 4-6//, outer smooth, inner moderately verrucose ; aeciospores broadly ellipsoid or globoid, 17-22 by 22-31 fi ; wall colorless, thin, 2-3.5//, densely verrucose, with prominent, elongate papillae.
On Pinaceae :
Pinusrigida Mill., Ohio.
Uredinia hypophyllous, scattered, often confluent, 0.5-1 mm. across, soon naked, orange-red fading to white, ruptured epidermis evident; urediniospores ellipsoid, 18-23 by 20-30 ii ; wall thin, 1-1.5/", densely verrucose, with prominent, elongate papillae.

Coleosporium senecionis (Schum.) Fries, Summa Veg
Scand. 512. 1849.
Uredo farinosa /3 Senecionis Pers. Syn. Fung. 218. 1801. Uredo Senecionis Schum. Enum. PI. Saell. 2 : 229. 1803. Caeoma Senecionis Schlecht. Fl. Berol. 2 : 119. 1824. Peridermium oblongisporium Fuckel, Symb. Myc. 42. 1869.
" O. Pycnia amphigenous, scattered, numerous, originating between mesophyl and cortical layer, noticeable, 0.2-0.3 mm. wide, 0.5-1 mm. long, dehiscent by a longitudinal slit, 70-100/* high. Aecia from a limited mycelium, amphigenous, bullate, tongue-shaped, 1-2 mm long, 0.7-1 mm. high, whitish ; peridium rupturing irregularly, fragile, white, cells overlapping, outer and inner walls of same thickness, 3-4 /*, outer smooth, inner moderately verrucose; aeciospores broadly ellipsoid, 17-24 by 28-36 fi; wall colorless, thick, 3-4^, densely verrucose with prominent elongate papillae.
On Pinaceae :
Pinus sylveslris L,. , Europe ; not yet found in America.
Uredinia hypophyllous, thickiy scattered, about 0.5 mm. across, eariy naked, bright orange-yellow fading to pale-yellow, ruptured epidermis evident ; urediniospores elliptical globoid or obovate-globoid, 17-21 by 20-27/*; wall thin, 1-1.5//, evenly but not densely verrucose, with low papillae.