Über das Vorkommen eines Pilzhäutchens in den Samen

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Abstract
Examination of 300 kernels of wheat of different sources revealed that on the inner side of the husk there is always a layer of fungous hyphae which also is found in rye, spelt, barley and oats. In seeds that did not ripen normally, e.g., in barley of the drought year 1947, the mycelium had formed only weakly or not at all, the winter grain being better in this respect than the summer grain. Described briefly in this paper are the hyphae in the seeds of Lampsana communis, Beta vulgaris var. rapa, Lactuca sativa, Dracocephalum moldavicum and Valerianella olitoria. The hyphae possess colorless or brownish cellular walls and lie in a laminate, possibly many-layered, amorphous, transparent membrane, which in Pisum sativum is identical with the albumen layer and in the figwort family (Scrophulariaceae) is supposed to arise from an originally 6- or 7-layered interstitial tissue.

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