The Blight in Pear Trees. 13 



the principal nurseries. And, while so much care has heen 

 devoted to this department, it is gratifying to know, that 

 equal pains have been taken to introduce all the most showy 

 and interesting varieties of hardy trees and shrubs, especially 

 those adapted to the ornamenting of lawns and pleasure- 

 grounds. Of greenhouse, hothouse, and garden plants, a refer- 

 ence to our Floricultural Notices, and to the reports above 

 mentioned, will show how much has been accomplished since 

 our annual summary of 1847. 



Garden Literature. 



Few publications have appeared the last year. The prin- 

 cipal have been Gray's Botany of the Northern United Slates. 

 Tuckerman's Synopsis of Northern Lichefis ; Transactions oi 

 the N. Y. State Agricultural Society, for 1837; Report of the 

 Patent Office for 1847; 'Ro^qx&'s Scientific Agriculture. The 

 two numbers of Colman's European Agriculture^ completing 

 the work ; and three additional numbers of our Frtiits of 

 America, (Nos. 4, 5, and 6;) No. 7 will appear the present 

 month, and be followed in regular order, by the others. A 

 new edition of Allen's Treatise on the Grape, enlarged and 

 revised, has also just appeared, and we shall notice it in our 

 next. 



Art. II. The Blight in Pear Trees. By J. H. James, Esq. 

 Urbana, Ohio. 



I OBSERVE, by your notes of a tour to Buffalo, that you have 

 had an opportunity to see the blight in pear trees, as exhib- 

 ited in the nurseries at Buffalo and at Rochester. You had pre- 

 viously announced your opinion, (Vol. XI. p. 5,) and here again 

 repeat it, " that the blight of the west is not the blight of the 

 New England states," which you call msec^i//^/!^, and attrib- 

 ute, on the authority of Mr. Lowell and Dr. Harris, to the 

 action of an insect known as the Scolytus pyri. I wish to 

 raise, with you, the inquiry whether you have not too hastily 

 decided that the western blight is different from yours, and 



