Annual report of the North Carolina Agricultural Experiment Station . Collecting the data from thelarge pycnidium type in onepolygon, and similarly with thesmall pycnidium type, we have: M= ±(T= ± ± Fig. 22.—Ascochyta Chrysanthemi of spores of large pycnidia. Poly- M= ±;r= ± ± It is seen that there isa tendency throughoutfor the smaller pycnidiato produce larger sporesthan areproduced by thelarge pycnidia. Fig. 23.—Ascochyta Chrysanthemi Stevens,spores of small pycnidia. THIRTY-SECOND A
Annual report of the North Carolina Agricultural Experiment Station . Collecting the data from thelarge pycnidium type in onepolygon, and similarly with thesmall pycnidium type, we have: M= ±(T= ± ± Fig. 22.—Ascochyta Chrysanthemi of spores of large pycnidia. Poly- M= ±;r= ± ± It is seen that there isa tendency throughoutfor the smaller pycnidiato produce larger sporesthan areproduced by thelarge pycnidia. Fig. 23.—Ascochyta Chrysanthemi Stevens,spores of small pycnidia. THIRTY-SECOND ANNUAL REPORT, 1909. C. Measurements of spores from different media. Pure agar. The pycnidia on this plate were veryscant, although they were normal in appearance and ± ± C. ± ? Fig. 24.—Ascochyta Chrys-anthemi Stevens. Polygonof spores from pure Cba+ per cent sodium aspa- raginate. M= = ± cr= = ± C. = ± n= =204 Fig. 25.—Ascochyta Chrysanthemi of spores from cba + per centsodium asparaginate. M= ± .7896 ± ±
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