374 SECTIONAL TRANSACTIONS. — K. 



16. Discussion.— Sir A. D. Hall, K.O.B., F.R.S., Dr. E. J. 

 Russell, F.R.S., Mr. C. G. T. Morison, Mr. T. J. 

 Jenkin, Mr. C. T. Gimmingham, Mr. R. Alun Roberts, 

 Dr. E. N. Thomas, Prof. Lloyd Williams, Mr. T. W. 

 Fagan. 



In the Section Room. 



1 7. Mr. D. Patton. — The Vegetation of Beinn Laoigh situated 

 on the West of the Breadalbane Mountains. Its Con- 

 figuration, Geological Formation, Climatic Conditions, 

 &c., and the Relation of these to the Conditions of 

 Plant Life, with special reference to the Associations. 



Excursion. 



Botanical expedition to Mynydd y Glew and Wenvoe, vid Cow- 

 bridge. Lunch was provided by the kind invitation of Mr. and 

 Mrs. T. Mansel Franklen, and tea at Duffryn by Mr. and 

 Miss Cory. 



Friday, August 27. 



18. Prof. F. J. Lewis. — Distribution of Vegetation types in 



the Eastern Canadian Rocky Mountains (Lantern 

 Demonstration). 



19. Mr. P. E. Maetineau. — Records of Growth of Pit Mozmd 



Plantations . 



Joint Discussion with Sections I and B on Biochemistry 

 and Systematic Relationship, opened by 



20. The Hon. Mrs. Onslow. — Introductory paper on Bio- 



chemistry and systematic relationship in the plant 



kingdom. 



Brief consideration of systematic relationship. — Bio- 

 chemical aspect of the plant. — Possibility of expression of 

 reproductive and vegetative characters in chemical terms. — 

 Lines of plant metabolism. — Aromatics. — Catechol and pyro- 

 gallol plants. — Oxidase and peroxidase plants. Suggestions 

 as to connection with relationships of other substances — e.g., 

 anthocyan pigments, flavones, &c. 



21. Dr. F. F. Blackman, F.R.S. — Pliotosynthesis and carbo- 



hydrate metabolism from the point of view of systematic 

 relationship in plants. 



The pigments of chloroplasts : their uniformity in 

 phanerogams and their diversity in certain phyla of algae. 



The primary products of photo-reduction of CO2 : the 

 balance of hexoses and pentoses in different groups : pentoses 

 as the basis of the succulent habit. 



Diversity of condensation-products : saccharose, starch, 

 and_ inulin, their occurrence in relation to species and 

 families. 



Riechert's work on the individuality of the starch grains 

 of every species of plant : its bearing on the chemical speci- 

 ficity of protoplasms. 



I 



