. Fig. 36.—Flower of Radish hypertrophied by Cystopv.i cundidv.s. The white .«;wollen conidial cushions occupy the enlarged petals, sepals and ovaries. (Dr. Bruns' phot.) develop to intercellular mycelia, tine short lateral twigs of which pierce the wall of the host-cells and become little spherical haustoria. The oogonia arise as thick-walled spherical swellings on the mycelium. The antheridium, after applying itself to the oogonium, widens and projects a fine fertilization-tube through the wall to the egg-cell. After fertilization is effected, the egg-cell is enclosed in a firm uneven membra
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. Fig. 36.—Flower of Radish hypertrophied by Cystopv.i cundidv.s. The white .«;wollen conidial cushions occupy the enlarged petals, sepals and ovaries. (Dr. Bruns' phot.) develop to intercellular mycelia, tine short lateral twigs of which pierce the wall of the host-cells and become little spherical haustoria. The oogonia arise as thick-walled spherical swellings on the mycelium. The antheridium, after applying itself to the oogonium, widens and projects a fine fertilization-tube through the wall to the egg-cell. After fertilization is effected, the egg-cell is enclosed in a firm uneven membrane, and hibernates inside the oogonium. In spring the plasma of the oospore forms numerous biciliate