Parasitic Fungi of Illinois. 235 



deeply divided; spores subglobose, epispore thin, smooth or 

 nearly so, 18-21 /*; spermagonia numerous, scattered over the 

 central area of the spot above. 



Spots small, few, yellow, with a pale greenish border ; subiculum 

 thickened, whitish, peridia few, generally crowded, short, the margin 

 subcrenate; spores bright yellow or orange; spermagonia central, on 

 the opposite side. Peck, 26 Rep. N. Y. Mus. p. 78. 



On Hydropliyllum appendicidatum : McLean, July 20, 5600. 



M. polemonii, Peck. 



Hypophyllous. Spots usually distinct, yellowish brown, 

 border effused; aecidia irregularly clustered, usually about a free 

 central area, short, recurved border wide and rather coarsely 

 divided; spores subglobose or elliptical, often angular, epispore 

 thick, conspicuously tuberculate, 18-21 by 21-25 /*: spermago- 

 nia few, central, on both surfaces. 



Spots sub orbicular, pallid or greenish-yellow, sometimes confluent ; 

 peridia hypophyllous, crowded, short; spores globose or subellipti- 

 cal, bright orange, .0008-.001 of an inch in diameter, minutely rough ; 

 spermagonia central on both sides of the leaf. Peck, Bot. Gaz., Vol. IV. 

 p. 230. 



On Polemonium reptans: McLean, May 29, 4807. Phlox 

 pilosa: McLean, May 31, 4851. 



M. solani, Mont. 



Hypogenous. ^Ecidia uniformly, usually densely, distrib- 

 uted in patches over the leaf -surf ace, short, friable, soon be- 

 coming pulverulent; spores subglobose or elliptical, often 

 angular, epispore rather thick, obscurely tuberculate, 13-15 by 

 15-21 /u; spermagonia very abundant, hypophyllous, scattered 

 over extended patches with or without aecidia, comparatively 

 large, honey-yellow. 



On Physalis viscom: Urbana, 111., May 30 (A.D. 1879), 

 T. J. Burrill. 



There is a Puccinia physalidis, Peck, from Colorado, of 

 which the above may be the aecidial form, but so far as known 

 the Puccinia has not been collected east of the Mississippi. 



