REVIEWS A XL) EXCHANGES 
95 
rings of the very simple wood known in English commerce as Yellow Pine, the 
type of the series known as “ Soft Pines,” a wood entirely composed of tracheids 
with a few resin passages, and little or no distinction between spring and autumn 
wood. Such a timber offers a striking contrast to such complex woods as those 
of the Laburnum or Elm. A full specific index of scientific and popular names 
has also been added. 
Blue-bottles on .Si alelia (Carrion- flower). 
From “ Last Hours with Nature” (by kind permission of Mr. T. Fisher Unwin.) 
