Diseases of Cultivated Plants and Trees - George Massee - Google Books

http://books.google.de/books?id=X0P_G8Qiqd4C&pg=PA395&dq=stereum&lr=&as_brr=3#v=onepage&q=stereum&f=false

INTRODUCTION So widely spread and, it may be added, often so intelligent is the interest now taken in the incidence and the dissemina- tion of the diseases which affect cultivated plants, and at the same time so important is a proper conception of the…