XXVI CONTENTS. 



Pag.' 



10. Somatic Nuclear Division in Spongonpora Sulani (Brunch.). By A. S. 



Horne, B.Sc., F.G.S 572 



11. Preliminary Note on an Investigation of some West African Fungi. 



By A. Eckley Lechmebe, M.Sc 573 



MONDA Y, SEPTEMBER 4 



Joint Discussion with Sections C and E on the Relation of the present 

 Plant Population of the British Isles to the Glacial Period. Opened 

 by Clement Reid, F.R.S 573 



TUESDAY, SEPTEMBER 5. 

 *The Balance-sheet of a Plant. By Dr. Francis Darwin, F.R.S 581 



Discussion on the Principles of Constructing Phyto-geographical Maps. 



Opened by Dr. C. E. Moss 581 



1. The Water-content of Acidic Peats. By W. B. Crump, M.A 581 



2. The Wilting of Moorland Plants. By W. B. Crump, M.A 582 



WEDNESDAY, SEPTEMBER 6. 



1. On the Presence of Sugar in the Tissues of Laminaria. By S. Mangham 583 



2. The Structure and Function of the Root-Nodules of Myrica Gale. 



By Professor W. B. Bottomley, M.A 584 



3. Some Effects of Bacteriotoxins on the Germination and Growth of 



Plants. By Professor W. B. Bottomley, M.A 584 



4. The Polyphyletic Origin of Cornacea?. By A. S. Horne, B.Sc, F.G.S. . . 585 



5. The Chromosomes of the Hybrid Primula keivensis. By Miss L. Digby 585 



0. *On the Flora of Shetland, with some reference *^to its Ecology. By 



W. West 580 



7. *The Occurrence of Oidivm Euonymi-Japonicie in Southern England. 



By Sir Daniel Morris, K.C.M.G 580 



8. Report on the Structure of Fossil Plants (p. 170) 580 



9. Report on the Experimental Study of Heredity (p. 176) 580 



10. Report on the Survey of Clare Island (p. 176) 587 



11. Report on the Registration of Botanical Photographs (p. 177) 587 



12. *Interim Report on the Promotion of the Study of the Plant Life of the 



British Islands, and the preparation of the Materials for a National 

 Flora 0S7 



