Nov. 1891.] THE BOTANICAL SOCIETY OF EDINBURGH. 207 



SEPTEMBER. 



Tlie month of September was very changeable and un- 

 settled, with frequent storms of wind and rain, yet in some 

 respects it was the best month of the season. More really 

 fine and warm days occurred than in any of the three 

 months previous. The severe storm of wind and rain 

 which took place on the 21st, and which caused so much 

 destruction throughout the country, passed over without 

 doing any serious damage in the garden. No frost occurred, 

 and there was a fair amount of briglit sunshine. Late- 

 flowering herbaceous plants and annuals now reached their 

 best. Those which flowered earlier mostly produced good 

 seed, a large supply of which has been obtained for dis- 

 tribution. The lowest night temperature was 38°, which 

 occurred on the 21st of the month, and the highest 54°, 

 on the 14th. The lowest day temperature was 49°, on 

 the 21st, and the highest 85°, on the 12th. On the 

 rock-garden 41 species and varieties came into flower 

 as against 47 for the corresponding month last year, 

 amongst which were the following : — Coreopsis verticillata, 

 Oentiana alha, G-. ornata, Gladiolus Saundersii, Crocus 

 annulatus, C. imperati, C. pulchcllus, C. speciosns, Colchicum 

 maximum, Kniphofia Uvaria, K. nohilis, Potentilla formosa, 

 Senccio ptdcher, Veronica Lindleyana, V. longifolia suljsessilis, 

 Liliwm auratuni macrantlium, &c. 



Eeadings of exposed Thermometers at the Eock-Garden of the 

 Royal Botanic Garden, Edinburgh, during September 1891. 



TBANS. BOX. SOC. EDIN. VOL. XIX. 



