33 



classification of grasses; forage plants; cultivated pastures; 

 meadow plants; hay and green feed; lawns; grasses used for mis- 

 cellaneous purposes; weeds; grass crop areas. The second part 

 comprises fifteen chapters, the first two treating of the morphol- 

 ogy of the vegetative and floral organs. There are also inter- 

 esting chapters on ecology and taxonomy or classification. The 

 . next ten chapters take up the grass tribes, a chapter to each, 

 while the concluding chapter is on nomenclature. A large amount 

 of information in reference to hay and pasture grasses is brought 

 together in a condensed form, making it readily available. The 

 chapter on lawns gives the essentials in the preparation of the 

 soil for a good lawn, and the best grasses to be used in different 

 regions. It should prove very helpful. 



Grass organs are clearly described, a great help to those unin- 

 formed on technical terms often found in works on grasses. The 

 chapter on ecology is full of interesting information on seed 

 dispersal, plant societies, habitats, and geographic distribution. 

 The second part also includes keys to the tribes and genera 

 concerned in the work. The whole is illustrated with sixty-three 

 figures, adding much to its value. 



In the field it is intended to cover it meets a decided want, and 

 should be fully appreciated by those interested. 



George V. Nash 



Murrill's Northern Polypores* 



This is the first of a series of four manuals on the polypores of 

 North America. The present volume covers the species occur- 

 ring in eastern Canada and the northern United States south to 

 the southern boundaries of Virginia, Kentucky, Missouri and 

 Kansas and west to the western boundaries of Kansas, Nebraska 

 and the Dakotas. 



The volume contains complete keys and descriptions of all the 

 species known in this region, with index to the genera with species 

 and also an alphabetical index to the species. The general style 

 of the book is that of North American Flora, but in order to make 

 the work more condensed all synonyms have been eliminated. 



* Murrill, Wm. A. Northern Polypores. Pp. i-iv + 64. Private!}^ published. 

 December, 1914. Price $1.00, postpaid. 



