ILLUSTRATIONS. 



Page. 

 Plate I. A fine bed of mnshrooms grown from spawn of pure-culture 



origin Frontispiece 



II. Fig. 1. — A fine cluster of Agaric iis camj)estris, the horticultiiral 

 variety Columbia. Fig. 2. — Morels (MorclieUa esculenta) , one 

 of the finest edible fungi 60 



III. Fig. 1. — Agaricus fabaceiis, the almond-favored mushroom. Fig. 



2. — Agaricus villaticKs, a promising species, fleshy and prolific. 60 



IV. Fig. 1.— A young specimen of the common puff ball (C'alvatia 



craniiformis) . Fig. 3. — The oyster mushroom {Pleurotus os- . 



treatus) , growing on decayed willow log 60 



V. Fig. 1. — A mushroom house provided with gas-piping framework 



for shelf beds. Fig. 2. — The preparation of compost 60 



VI. Fig. 1. — A large mushroom establishment — a common form of 

 mushroom house. Fig. 2. — The method of making pure cul- 

 tures, showing the apparatus and materials 60 



VII. Fig. 1. — Mushrooms prepared for the American market. Fig. 



3. — Good ( " ' well-run * ' ) mushroom spavm. brick form 60 



8 



