. Tig. 15.—Typical forms of basidia, with spores in ilie Hasidio- mycetes. i, Tulostoiiia mamiiiositm ; 2, nacrowyces deliijutscens \ 3, hasidia with spores, and cystidia of Peniop/iora iticonspicua ; 4, bisporoiis basidia of cc/iina/tim ; 5, two spores of same showing persistent stfrigmata ; 6, Si/inx/ert/n -///^are ; 7, portion of hymfniiim of a typical agaric, liiccyhc mtcjosfera, with basidia, bearing spores, cystidia, or sterile basidia, and elongated cystidia. All highly mag. There is much difference of opinion as lo the exact position, in the sequence of evolution, of the tw
. Tig. 15.—Typical forms of basidia, with spores in ilie Hasidio- mycetes. i, Tulostoiiia mamiiiositm ; 2, nacrowyces deliijutscens \ 3, hasidia with spores, and cystidia of Peniop/iora iticonspicua ; 4, bisporoiis basidia of cc/iina/tim ; 5, two spores of same showing persistent stfrigmata ; 6, Si/inx/ert/n -///^are ; 7, portion of hymfniiim of a typical agaric, liiccyhc mtcjosfera, with basidia, bearing spores, cystidia, or sterile basidia, and elongated cystidia. All highly mag. There is much difference of opinion as lo the exact position, in the sequence of evolution, of the two important families, Ustilaginaceae—smuts and bunts of cereals, etc.—and the Uredinaceae—rusts and mildews of cereals and other plants. In the latter group heteroecism is rampant. The members of both groups are almost without exception
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Keywords: ., bookpublishernewyorkmacmillan, booksubjectplantdis, bookyear1910
