Parasitic Fungi of Illinois. 41 1 



rating them. Trelease (Parasitic Fungi of Wis., p. 8) gives U. 

 heliciformis Howe, as a synonym for U. adunca. Howe's 

 description says, "appendages colored at base;" but this alone 

 would not be a sufficient specific character. There is nothing 

 else in the description by which to distinguish it from the other 

 forms on Fojtulus. 



PHYLLAOTINIA, Lev. 

 (Ann. Sci. Nat, Ser. III., Tome XV., p. 144.) 



Perithecium containing several asci; appendages free from 

 the mycelium, acicular, acute at the tip, abruptly swollen 

 at base. 



P.sufifulta, (Reb.) Sacc. 

 (Syl. Fung., I., p. 5.) 



Sderotium mffultum, Rebent. (Flor. Neom., p. 360). 

 Erysiphe coryli, fraxini, DC. (Flore Franc, II., p. 273). 

 Erydphe vagans, Bivon. (Stirp. rar. Sicil., III., p. 19). 

 Alphitomorpha guttata, Wallr. (Verb. Natiirf. Freunde, I., p. 42). 

 Erysihe guttata, Lk. (Spec Plant-, VI., 1, p. 116). 

 Erysibe guttata, Fr. (Syst. Mycol., III., p. 245). 

 Phyllactinia guttata, Lev. (Ann. Sci. Nat., Ser. III., Tome XV). 



Hypophyllous. Mycelium abundant, persistent, or scant 

 and evanescent; perithecia very large, 150-250 /*, wall tissue 

 soft, cellular structure and reticulations obscure; appendages 

 few, usually 8-12, easily detached, hyaline, varying in length 

 from less than to three or four times the diameter of the 

 perithecium; asci 4 or 5 to 20 or more, ovate, pedicellate; 

 spores normally 2, occasionally 3 or 4, variable in size, mostly 

 quite large. 



On Liriodendron tidipifera: Union, Oct. (Earle). Celas- 

 trus scandens: Jersey, Oct. 14, 6307. Cratcegiis tonwntosa var. 

 pyrifolia: Champaign, Oct. 18 (Seymour). Corniis Florida: 

 Union, Oct. 2, 6544. Ilex decidna: Union, Oct. 7 (Earle). 

 Catalpa bignonioides: Champaign, Oct. 10, 6577|. Fraxinus 

 sps.: Union, Sept. (Earle); Champaign, Oct. (Waite). Uhnus 

 Americana: Jersey, Oct. 12, 6277. Ulmiis alata: Union, 

 Oct. 2, 6543, Oct. 22, 2377. Quercus macrocarpa: Union, Oct. 

 21, 1917, Oct. 28, 2090, 2105. Quercus coccinea: Union, Oct. 

 31, 2139; Champaign, Oct. 30, 6377. Quercns tinctoria : 



