. Fig. 172.—Urocyslis occulta on Rj-e. The ears are stunted, and the spore- powder emerges from longitudinal fissures in the upper part of the stems, (v. Tubeuf phot.) formation of grey stripes, from which a black spore-powder escapes. The haulms become diseased and smutty, thereby preventing development of the ear, which remains stunted and

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Keywords: ., bookcentury1800, bookdecade1890, bookpublisherl, booksubjectfungi