. Student's hand-book of mushrooms of America edible and poisonous . lants the interior substance somewhat resembles that of thetruffle, but is streaked and mottled. When old the gleba consists of adusty mass of threads and spores. They are known under various appel-lations, such as underground puff-balls, false truffles, etc. The Hypogpei are analogous to the Tuberacei, except that the sporesare not contained in asci as in the latter. Cooke says they appear to bethe link which unites the Basidiomycetes to the Ascomycetes by meansof the Tuberacei or genuine Truffles. In the young stage the bas
. Student's hand-book of mushrooms of America edible and poisonous . lants the interior substance somewhat resembles that of thetruffle, but is streaked and mottled. When old the gleba consists of adusty mass of threads and spores. They are known under various appel-lations, such as underground puff-balls, false truffles, etc. The Hypogpei are analogous to the Tuberacei, except that the sporesare not contained in asci as in the latter. Cooke says they appear to bethe link which unites the Basidiomycetes to the Ascomycetes by meansof the Tuberacei or genuine Truffles. In the young stage the basidia inthe Hypogaei are easily distinguished by the aid of the microscope. In external features and habit of growth the species of Elaphomyces,a genus of Tuberacei, closely resemble the Hypogfei, and in old age,when the asci have disappeared, it is difficult to distinguish the plants ofthis genus from the Hypogsei. The genus Melanogaster contains an edible species, M. variegatus,Tulasne, commonly known in Europe as the Red Truffle or False Plate G. 3Z&ZrS>y^> WsOOstudentshandbook04tayl
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