Jan. 1S94.] BOTANICAL SOCIETY OF EDINBURGH. 



01 



garden for December since 1883. During December 1802 

 frost was registered on twenty-three mornings, the total 

 amounting to 102° of frost. The lowest readings of the 

 thermometer for last month occurred on the 1st, 22°; 2nd, 

 .18°; 10th, 28°; 12th, 27°; 21st, 28°. The lowest day 

 temperature was 31°, on the 1st, and the highest 58°, on 

 the 16th. Rhododendron NoUcanum, Hamamclis ja/ponica, 

 Jasminum nudicaide, and Pctasitcs fragrans were in full 

 flower during December. 



On the rock-garden four plants came into flower, viz. — 

 Hcllcborus grandijlorus, H. inirpurasccns, variety. Iris soplio- 

 nensis, and Primida infiata. The total number of species 

 and well-marked varieties which have flowered on the rock- 

 garden during the year 1803 amounts to 1114, as against 

 1212 for 1802. The largest number came into bloom 

 during the month of May. The number of species which 

 came into flower each month was as follows : — January, 

 13; February, 40; March, 81; April, 166; May, 300; 

 June, 204; July, 112; August, 73; September, 28; 

 October, 3 ; November, ; December, 4. 



Eeadings of exposed Thermometers at the Rock-Garden. 



