I04 The Ottawa Naturalist. 



The writer further proposes the term ccElostelic as descrip- 

 tive of the morphological nature ot the meduUate stelar 

 structures of the higher vascular plants, and the term Protostelic 

 as indicative of the Phylogenetic status of the pithless steles of 

 the Selaginellse, etc. He considers that the coelostelic type of 

 stem presents a mechanical adaptation to enable comparatively 

 slender axial organs to support large leaves. This paper was 

 accompanied by excellent micro-drawings and micro-photo- 

 graphs of stelar structures in Pteris aquilina and other crypto- 

 gamia. 



" Past Experiences and Future Prospects of Fruit Growing ift the 

 Canadian North- West!' By Dr. William Saunders. 



This eminently practical paper contained many facts and 

 notes of observations recorded as guides for subsequent 

 research in this line. We hope to see the reports on successful 

 trials in fruit culture in our great North-West soon published 

 and distributed broad-cast amongst the farmers of that region. 

 The work conducted by the Experimental Farms of Canada 

 is undoubtedly of inestimable value to the country. 



" Contributions to the Pleistocene flora of Canada." Prof. D. P" 

 Penhallow, M.A. Sc, etc. 



This very interesting paper sums up to date our know- 

 ledge of the llora of pleistocene times in Canada. Several new 

 species are described from the St. Lawrence (or Great Lakes) 

 and Ottawa River valleys. Many of the species referred to were 

 obtamed in the so-called interglacial beds of Scarboro Heights, 

 near Toronto, and others from the calcareous nodules of Green's 

 Creek and Besserer's, below Ottawa, of Leda clay (marine) age. 

 A very interesting discussion followed this paper in which Sir 

 William Dawson, Prof. Macoun, Mr. H. B. Small, Prof. Pen- 

 hallow, Dr. Ami and others took part. Sir William pointed out 

 that the association of species representing the flora of Scarboro 

 Heights horizon indicated a climate even less severe than there 

 exists now at Toronto and along the north shore of Lake 

 Ontario in that vicinity. 



" Generic Characters of the North A merican Taxacece and Coni- 

 ferce." By Prof. D. P. Penhallow. 



In iSg4 the author presented a preliminary outline of the diag- 

 nostic characters derived from a study of the woody portion of the 



