BOTANICAL SOCIETY OF EDINBURGH xiii 



The following plants in Hower were shown from the 

 Royal Botanic Garden : — Cirri to petalum Farreri, W. W. 

 Sm. ; Coluvmea yloriosa, vSprague ; Sedum pyramidale, 

 Praeger; SpafJtoglotfis Ediiiefisis, Hort. Edin. (S. pulchra 

 X Fortunei) ; Spathngloith /ndrJira, Schlechter; Spatho- 

 glottis Fortunei, Lindl. 



NOVEMBER 18, 1920. 

 W. G. Smith, B.Sc, Ph.D., President, in tlie Chair. 



Mr. M. Y. Orr read a Preliminary Paper on Bacterial 

 Pockets in the Leaf of a species of Dioscorca from Nigeria, 

 and exhibited specimens and cultures of the Bacterium in 

 various media. 



Dr. B. D. MacCallum exhibited specimens of coniferous 

 ^A'ood infected with Blue Rot, the disease being caused by 

 Geratostomella sp. Other specimens of timber similarly 

 discoloured by another fungus were shown by Dr. W. G. 

 Smith. 



Mr. J. R. Matthews exhibited aland form of Utricularia 

 vulgaris, Linn., which is robuster than the type and has no 

 bladders. 



Mr. William Evans exhibited some original Drawings 

 of Scottish Scenery by Dr. R. K. Greville, the author of 

 Scottish Cryptogamic Botany, and a former President 

 of the Society. 



The following plants in flower were shown from the 

 Roj^al Botanic Garden: — Burbidgea nitida, Hook, f . ; 

 Euadenia emineiis, Hook. f. ; Gentiana rltodantJia, 

 Franch. ; Primula Mooreana, Craib; Soj>liro-(Jatfleya 

 exiviea x ; Tlifophrastn Jussieui, Lindl. 



