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Peirce's Plant Physiology 



By George J. Peirce, Professor in Lei and Stanford University, 300 pp. 8vo. {March) 



A modern and thoroughly scientific discussion of the general principles of plant physiology, 

 intended for the student or general reader acquainted with the elements of botany. 



Britton's Flora of the Northern States and Canada 



By Director N. L, Brixton, of the Netv York Botanical Garden, 1080 pp.. 8vo. $2,25, net. 



This manual contains 4,500 descriptions, probably one-third more than any other. 



Professor Z, M. Underwood^ of Colufnbia: "It is the most complete and reliable work that ever 

 appeared in the form of a flora of this region." 



A NEW AND CHEAPER EDITION OF 



Kerner and Oliver's Natural History of Plants 



With over 2,000 original woodcut illustrations. 2 vols. 8vo, Vol. I, 777 PP- Vol. 11,983 

 pp. $11.00, net. 



From the Preface: *'Kerner's methods were so pre-eminent that his work has attained, in a 

 sense, the permanent value and dignity of a classic." 



Professor Chas. P. Barnes in The Botanical Gazette: "This lucidity, and the excellent illustra- 

 tions, not only will introduce the non-botanical reader to the science of botany, but should 

 serve as a lesson to the professional botanist in the art of presentation," 



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