Bulletin of the Illinois State Laboratory of Natural History (Volume 11 ) (Paperback)

This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1918. Excerpt: ... Bulletin OF THE Illinois State Laboratory OF Natural History Urbana, Ill1no1s, U. S. A. STEPHEN A. FORBES, Ph. D., L, . L. D., D1rector Vol. XI. November, 1917 Article VII. SOME EDIBLE AND POISONOUS MUSHROOMS BY Walter B. Mcdougall, Ph. D. CONTENTS PAGE Introduction 413 Mushrooms and toadstools 414 The mushroom plant 414 Life history and development 414 Structure of a mushroom 417 Spore production and liberation 417 Other types of mushrooms 419 The ecology of mushrooms 420 Dissemination 420 Gravity 421 Air 421 Heat 421 Light 422 Substratum 422 Water 422 Parasites and saprophytes 423 Mycorrhizas 424 Animal relations 425 Diseases 42/ Fairy rings 421 Luminosity 411 Mushroom growing 429 Food value of mushrooms 430 Poisonous properties of mushrooms 430 Collecting wild mushrooms 431 The preparation of mushrooms for the table 433 The classification of mushrooms 435 Use of the key 436 Key to genera of gill fungi 437 Descriptions of spei'ies 440 References 554 Index to 555 Art1cle VII.--Some Edible and Poisonous Mushrooms. By Walter B. Mcdougall, Ph.d. Introduction The interest in wild mushrooms and the number of people who collect wild mushrooms for the table are increasing rapidly. Numerous inquiries are received by the botany department of the University of Illinois each season concerning the identification and edibility of various species. At the same time, whenever there is a good mushroom season, the newspapers report an increasing number of cases of mushroom poisoning. These facts indicate the great desirability of a wider dissemination of the knowledge necessary to distinguish intelligently the common edible and poisonous mushrooms. It was with these facts in mind that it was decided to prepare, for the people of the state, photographs and descriptions of a...