IV 



PAGE 



Excursion of the Scottish Alpine Botanical Club to Braemar in 

 1889. By Charles Stuart, M.D 389, 



A Comparative Study of Chlorophyll as occurring in some Alg-*, 

 Vascular Cryptogams, and Phanerogams. By Gustav Mann. 

 (Plate II.) 394 



Some Observations on Spirogyra. By Gustav Mann. (Figs. 1-8, 



Plate II.) ^ 421 



On a Method of preparing Vegetable and Animal Tissues for Paraffin 

 Imbedding, with a few Eemarks as to Mounting Sections. By 

 Gustav Mann , 432 



Observations on Glands in the Cotyledons, and on the Mineral 

 Secretions of Galium Afarine, L. By Thomas Berwick, Uni- 

 versity of St Andrews, Communicated by Dr John Wilson. 

 (Plate III.) 436 



Notes on Recent Additions to the Flora of the Moffat District. By 

 John Thorburn Johnstone, Moffat 445 



On the Difficulty of ascertaining the Age of certain Species of Trees 

 in Uruguay, from the Number of Rings. By David Christi- 

 SON, M.D. (Plate IV.) 447 



Notes on Tree Measurements, made Monthly at San Jorge, Uruguay, 

 from January 12, 1885, to January 12, 1890. By Charles E. 

 Hall, of San Jorge. (Plates V. and VI.) 456 



Report on the Progress of Vegetation at the Royal Botanic Garden, 

 from July 1889 to June 1890. By Robert Lindsay, Curator... 469 



Obituary Notice of Thomas Boyle Grierson. By J. Shaw, Tynron.. 479 



Proceedings, Miscellaneous Contributions, and Exhibitions 483 



Office-Bearers for Session 1889-90 483 



List of New Fellows 490 



Societies which exchange Publications 491 



List of Members 495 



Index 503 



NKILIi AND COMPANY, PUINTERS, EDINBURGH. 



