58 Bulletin 313 



On the stems of roses. A weak parasite attacking weak plants 

 and causing a dying of the infected parts. Acervuli scattered ; 

 conidiophores 3.3 jx wide; spores hyaline but salmon-colored or 

 pinkish in mass, guttulate, 18-21.6 x 6-7.3 /u. (= Glceosporium rosecu 

 Hals.). Ascogenous stage corresponding to the preceding. 



282. Perithecia, 2/3. 283. Conidiophores and conidia, 1/12, from two 

 sources. 284. Asci, 1/12. 



Glomerella cincta (B. & C.) S. & S. (= Gloeosporium poly- 

 morphum Ttmchili, page 100). 



Glomerella fusarioides Edgerton (= Glceosporium fusarioides 

 E. &E., page 100). 



Glomerella piperata (E. & E.) S. & S. {=: Glceosporium pipe 

 ratum E. & E., page 100). 



Gnomonia andropogonis E. & E. — On the leaves of Andropogon. 

 Perithecia buried in the tissue of the leaf, subglobose, collapsing 

 from below, membranaceous, black, 5 mm. in diameter, beak sub- 

 lateral and erumpent, cylindrical, oblong-lanceolate, 40 x 10 /t; no 

 paraphyses ; spores crowded, cylindrical to f usoid, septate, each 

 cell 1-2 guttulate, slightly curved, hyaline, 20-25 x 4 ^. 



285. Perithecia. 2/3. 



Gnomonia cary^ Wolf. (= Gloeosporium caryce E. & D., page 

 98). 



Gnomonia clavulata Ell. — On the fallen leaves of Quercus 

 nigra and Gary a sp. Perithecia membranaceous, globose, rough, 

 100-165 fjL in diameter, buried in tissues of the leaf, the base pro- 

 jecting on lower surface and cylindrical, obtuse beak above; asci 

 narrow-elliptical, sub-acute, 4-guttulate becoming unequally 1-Sep- 

 tate and obtuse, hyaline to yellowish, 7.5-9 x 2-2.5 fi. 



286. Perithecium, 2/3. 



Gnomonia leptostyla (C. & D.) Bot. (= Marssonia juglandis 

 (Lib.) Sacc, page 110). 



Gnomonia veneta (Sacc. & Speg.) Kleb. (= Gloeosporium nev- 

 visequum (Fcl.) Sacc, page 100). 



