. Fungous diseases of plants : with chapters on physiology, culture methods and technique . Fungi in agriculture. ASCOMYCETES 203 XII. MOLLISIACE^E This family differs from the Helotiaceae largely in texture, the former being tougher, and as a rule made up of hyphal cells modified in a prosenchymatic or fibrous manner. The spores are hyaline and very similar to those of the Helotiacese. The only genus of importance in producing plant diseases is Fig. 77 a. Alfalfa Leaf Spot. (Photograph by H. H. Whetzel) Pseudopeziza. In this genus the apothecium is formed beneath the epidermis,
. Fungous diseases of plants : with chapters on physiology, culture methods and technique . Fungi in agriculture. ASCOMYCETES 203 XII. MOLLISIACE^E This family differs from the Helotiaceae largely in texture, the former being tougher, and as a rule made up of hyphal cells modified in a prosenchymatic or fibrous manner. The spores are hyaline and very similar to those of the Helotiacese. The only genus of importance in producing plant diseases is Fig. 77 a. Alfalfa Leaf Spot. (Photograph by H. H. Whetzel) Pseudopeziza. In this genus the apothecium is formed beneath the epidermis, which is later ruptured, and the mature fruit body is relatively simple in structure and shallow. The asci contain eight unicellular spores. XIII. ALFALFA LEAF SPOT Pseudopeziza Medicaginis (Lib.) Sacc. Combs, Robt. The Alfalfa Leaf Spot Disease. Iowa Agl. Exp. Sta. Built. 36: 858-859. The alfalfa leaf spot is often very abundant both in Europe and America, and particularly injurious during rather dry Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Duggar, Benjamin M. (Benjamin Minge), 1872-1956. Boston ; New York : Ginn
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