540 TKANSAGTIOXS AND niOCEEDINGS OF THE [Skss. i.vii. 



SEPTEMBKJJ. 



Tlie month of September was cool and unsettled through- 

 out. Xo frost occurred, but the average temperature was 

 very low. The greatest deficiency of heat occurred during 

 the day. There was an entire absence of anything in the 

 shape of warm weather. The lowest night temperature was 

 o5°, which occurred on the 30th of the month, and the 

 highest 0°, on the Kith. The lowest day temperature 

 was 52°, on the 28th, and the highest 09", on the 6th. 



]\Iost herbaceous plants flowered very well this month, 

 particularly species of xUter, Iludhcchid, Pijrctliriiiii, and other 

 compositie. Colchicum, Kniphojia, and Crocus were also line. 

 Roses flowered fairly well in September. Autumn tints 

 began to show on Pacia Jlava about the middle of the 

 month, and towards the close the golden-yellow leaves were 

 most beautiful and effective. 



On the rock-garden 45 plants came into flower, us 

 against 41 for the corresponding month last year, amongst 

 which were the following: — Colcldcwiii speciosum maximuin, 

 C. striatum, Carlina suhcaulesccns, Cciitaurea aljjina, Coreopsis 

 'certicillata. Crocus annulatus, C. medius, C. nudijlorus, Del- 

 pliiniu'ni nudicaule aurautiacum, Gcntiana alba, Cladiolus 

 Saundcrsii, Hypcricmn patnlum, Ktiipliofia nohilis, Liatris 

 clegans, Liliuru auratnm viacranfhiim, Monthretia (" Star of 

 Fire"), Potentilla formom, Sciterio 'ptdchrr, Tcucriuiu JIavnm. 



Readings of exposed Thermometers at the Rock-Garden of the 

 Royal Botanic Garden, E<hu))urgli, during September 1892. 



Date. Miniimiiii. 'Jam. .Maxiiimiii. Date. Miiiiiiiiiiii. 9a.m. Maximuin. 



