i9o8] EDGERTON—ANTHRACNOSES 407 



M 



Bur. PI. Ind., U. S. Dep. 



Agr.j Bull. 93. 1906. 



Sheldon, J. L., Dij 

 Bull. 94, 1904. 



West Va. Exp. Sta. 



36. — , Anthracnose of the sweet pea and the bitter rot of the apple. Science 



N. S. 22:51-52. 1905, 



37. , The ripe rot or mummy disease of guavas. West Va. Exp. Sta. 



38. 



Bull. 104. 1906. 



13. 1907 



fragrans. J 



39. , Paraphyses in the genus Glomerella. Science N. S. 23:851-852. 



1906. 



40. Shear, C. L., and Wood, Anna K., Ascogenous forms of Gloeosporium 



and CoUetotrichum. BoT. Gazette 43:259-266. 1907. 



41. SHE.4R, C. L., Cranberry diseases. Bur. PI. Ind., U. S., Dep. Agr., Bull. no. 



1907. 



42. SouTHWORTH, E. A.,' Ripe rot of grapes and apples. Jour. :Myc. 0: 164-173. 



1890. 



43. Stoneman, Bertha, A comparative study of the development of some 

 anthracnoses. Bot. Gazette 26:69-120. 1898. 



44. Tavel, Franz von. Contributions to the history of the development of the 

 Pyrenomycetes. ■ Jour. Myc. 5 = 53-58, 113-123, 181-184. 1889. 



45. Thom, Ch.\rles, Some suggestions from the study of dairy fungi. Jour. 



Myc. 11:117-124. 1905. 



46. Woods, A. F., Bitter rot of apples. Annual Rep. U. S. Dept. Agr. pp. 47, 



53- 1901- 



EXPLANATION OF PLATE XI 



^ 



Figs. 18-28. Gnomonia venela 

 Figs. 18, 19, 20.— Ripe asci, young ascus, and ascospores from sycamore leaf. 

 Figs. 21, 22, 26.^ Asci, ascospores, and germinating ascospores from Qiiercus 



alba leaves. 



Figs. 23, 24, 25.— Asci, ascospores and germinating ascospore from Qiiercus 



velutina leaves. 



Fig. 27.— Conidia from sycamore leaf germinating. 

 Fig. 28.— Conidia from Qiiercus alia leaf germinating. 



Figs. 29-47. Glomerella type of anthracnose 

 Fig. 2<).--Glomerella fructigem on apple from Missouri, binucleate conidium. 

 Fig. 30.— Same, conidia germinating in bean agar. 

 Fig. 31.— Same, secondary spores formed in old cultures. 

 Fig. 32.— Same, secondary spores formed by germinating conidia. 



