432 PLANT DISEASES 



olive, usually 3-septate, very slightly constricted at the 

 septa, 28-32X11-13 p; conidia slightly thickened below, 

 hyaline, 28-32X2-3 p. 



Pestalozzia, De Notaris. Pustules subcutaneous, at 

 length erumpent, discoid or pulvinate, black; conidia 

 oblong, 2-many-septate, coloured (at least the median 

 cells), rarely entirely hyaline, apex hyaline, i-many-ciliate, 

 apical on slender, hyaline basidia. 



Pestalozzia guepini, Desm., Ann. Sci. Nat., 1840, vol. 

 xiii. p. 182, tab. 4, figs. 1-3. Pustules minute, dotlike, 

 slightly convex, black, at first covered by the epidermis, 

 then erumpent, seated on large, bleached spots; conidia 

 elliptical ends narrowed, 3-4-septate, end cells hyaline, 

 intermediate ones coloured, terminal cell conoid, terminated 

 by 3-4 hyaline hairs as long or longer than the conidia, 

 which are 20-25 p. long ; conidiophores slender, hyaline. 



Pestalozzia hartigii, Tubeuf, Beitr. Baumkr., p. 40, tab. 

 5. Pustules immersed, globose, springing from a flattened 

 stroma ; conidia emerging in black masses, at first hyaline, 

 continuous, then 3-septate, ovate-oblong, the 2 central 

 cells large, multiguttulate, coloured, terminal cells small, 

 hyaline, 18-20 //. long, setae 1-4, slender, hyaline, 20 x i /*; 

 basidia slender, hyaline, 30-50 p. long. 



Septogloeum, Sacc. Pustules growing on living plants, 

 minute, produced beneath the epidermis, sometimes erump- 

 ent, pallid ; conidia oblong, 2-pluriseptate, hyaline ; re- 

 sembling Gloeosporium, but with septate conidia. 



Septogloeum hartigianum, Sacc., in Hartig, Forst 

 Zeitschr., 1892. Pustules innato-erumpent, sparsely longi- 

 tudinally gregarious, oblong-linear, bordered by the 



