I'tinixilir riiiKji i>f Iirn,„is. 22:} 



('VCI-, ill llic saiiK^ way. Tlu' spores lia\(' tliiiiiKT walls, arr 

 lio-ht.'i- cohMvd.aiKl arc said to he iiK.iv (•l()ii--at(Ml. In ilic lat- 

 ter respect, however, the speciiiieiis collected l»y Arthur ]ia\e 

 S])ores eoiiiiiioiily (|iiadi-aiif^'iilar, and coiisi(h'i-ahly loii<^<'r tliaii 

 wide. A Massaclinsetts specimen agrees with the typical .K. 

 piutcialiiiti excei)t that the spermagonia are coiifinerl to the 

 lower side of the leaf. Tliat on Ilcpdfini ffi/oha is distinctively 

 .E. jiimrfaf 11)11. 



M. actsese, (()piz. ) W'allr. 



iEcidia orderless or in circular groups, on pale s})ots whiidi 

 later are blackish in the centre; pseudoperidia short-cylindrical, 

 with a white tnbe and many times split and recurved l)order; 

 spores polygonal, pale yeHow, fine-warty, l()-26 i^ in diameter 

 by 30 ^.—Winter, Die Pilze, p. 268. 



On Actcea: Jackson, April 25, 428S. 



The description is taken from Euroi)ean specimens; those 

 from Illinois are not fully developed, but seem to be the same. 



^. dicentrae, Trelease. 



Hypophyllous. iEcidia uniformly and remotely scattered 

 over the entire surface, rather large, prominent, border regu- 

 larly segmented and quite uniformly and abruptly rolled, firm; 

 si)ores subglobose or elliptical, epispore thin, minutely tubercu- 

 late. 10-18 by 11-16 /x; spermagonia large, disk-like, rather 

 distant in a single row on the margin of the leaf, reddish brown. 



On Diccntra ciiculhirid: .lackson, April 20, 41*.)'"), April 21. 

 4211, April 25.4289, April 27,4845, April 28, 4860: Tjiion, 

 April 24, 4252: McLean, May 22. 4731, May 23, 4753. 



M. Marise-Wilsoni, Peck. 



Hypogenous, Spots small, definite, not thickened, yellow- 

 ish; a'cidia small, short-cvlindrical. 1)order narrow, many times 

 split and recurved, subcircinating: spores subglobose or some- 

 what angular, epispore thin, minutely tubercnlate, 11-15 f*: 

 spermagonia preceding and, with the iecidia. mostly on the 

 u])per side of the leaf. 



