72 TRANSACTIONS OF ROYAL SCOTTISH ARBORICULTURAL SOCIETY. 



He states that in its native land it is the largest poplar in 

 the world. 



Professor Henry recommends black Italian poplar {Populus 

 serotina), but the figures he quotes as to its growth are not 

 remarkable, and in an excerpt from an article to be published 

 by him shortly he does not appear to be enthusiastic about 

 growing poplars on land capable of growing conifers successfully. 



He mentions the following hybrid poplars, but states that they 

 have not been extensively tried : — 



(r) Eucalyptus Poplar, Populus regenerata — similar to black 

 Italian. 



(2) Populus Eugenei — rapid at Kew. 



(3) Populus robusta — probably wind resisting. 



Mr E. R. Pratt recommends the above hybrids (1), (2) and 

 {3), in preference to P. trichocarpa. 



Mr J. A. Duthie, of Messrs Ben. Reid & Co., recommends 

 black Italian poplar in preference to P. trichocarpa — he admits 

 the remarkably quick growth of the latter, but states that the 

 former produces better timber. 



M. Marion in his Petit Manuel furnishes a new list of names, 

 viz. P. alba, P. canescens, P. nigra, P. angulata, P. monilifera. 

 He dwells particularly on the P. monilifera, and states that it is 

 identical with the Peuplier Suisse, Peuplier Canadien, and Peuplier 

 Virginie, and originates in North America. He distinguishes it 

 from the Italian poplar, which till now has been most frequently 

 planted, and states it is more frost-resisting than the latter and 

 will take its place. He further relates how, by selective cultiva- 

 tion, he has created a super-excellent variety of this poplar, 

 which on account of its quick growth he has christened Peuplier 

 Suisse Eucalyptus Sarce. 



He gives the following particulars of growth : — 



