234 Illinois State Laboratory of Natural Historij. 



-ffl. lycopi, Gerard. 



Hypogenous. Spots circular, distinct, or more or less con- 

 fluent, scarcely thickened, purplish brown; aecidia on the leaves 

 mostly circinate, often in a single circular row, sometimes, by 

 the confluence of the spots, loosely and irregularly scattered, 

 on the petioles and stems irregularly crowded, short, recurved 

 border abrupt and much torn; spores subglobose, epispore thin, 

 tuberculate, 15-19 fn-; spermagonia few, centrally clustered 

 above, reddish brown. 



Spots yellow ; subiculum more or less thickened ; peridia short, 

 scattered or crowded, margin crenate; spores pale yellow. — Peck, 26 

 Rep. N. Y. Mus., p. 78. 



On Lycopiis Eiiroixeus: Pulaski, May 2, 4424. 

 Differs from Gerard's description in the arrangement of 

 the aecidia, and less swollen spots. 



M. myosotidis, Burrill. 



Hypogenous. ^cidia uniformly distributed over the leaf, 

 mostly somewhat densely crowded, rather large, somewhat 

 prominent, the recurved border wide and rather coarsely divid- 

 ed; spores subglobose or elliptical, epispore thick, conspicuously 

 tuberculate, 15-18 by 18-22 ;u; spermagonia numerous, uni- 

 formly scattered over both surfaces of the leaf, reddish yellow. 



On Myosotis verna: Union, April 12, 4026, 4029, April 13, 

 4067, April 17, 4132, April 26, 4306; Jackson, April 27, 4343, 

 April 28, 4364. 



The distribution of the secidia is decidedly different from 

 that of ^■Ecidium asperifoUi, Pers., as described, as well as from 

 the specimens at hand, and similarly different from those 

 named vEcidinm lycopsidis, Desv., yE. Uthosperini, Thiim., and 

 ^. symphyti, Thiim. The three last are made synonyms of the 

 first l3y Winter, and all are said to be the secidia of Pmcinia 

 ruUgo-vera. The latter is common in Illinois in wide areas 

 where Myosotis does not occur, and no other species of Borragi- 

 nacew has been observed infested with the JEcidium. 



M. hydrophylli, Peck. 



Hypopliyllous. Spots conspicuous, distinct, yellowish; 

 aecidia subcircinate, short, recurved border rather wide and 



