PHENOLOGICAL OBSERVATION^ CANADA, 1900. MACK AY. 393 



3. 



REMARKS ON THE NOVA SCOTIAN PHENOCHRONS. 



The Nova Scotian phenochrons are based on observations 

 made in from ten to thirty observation stations in each county, 

 on the 100 phenomena briefly indicated on pages 386 to 391 

 preceding " Phenological Observations in Canada, 1900." 



The observations, as a rule, are carried on by the pupils of 

 the public schools, who are in competition with each other as to 

 who will be the first observer of each phenomenon each year 

 As these pupils often radiate as many as two miles from the 

 school house each day, the observations " when first seen " are 

 likely to be as early as the most favorable spot in each school 

 section will allow. The second date recorded " when becom- 

 ing common " is more a matter of judgment ; but must 

 practically be as near the date " whin first seen" in the most 

 unfavorable spots of each school section as can be determined. 



The average differences between these two dates of flowering 

 " when first seen " and " when becoming common " in each 

 county of the Province for the ten plants selected for our study 

 are as follows : 



Days. Days. 



Yarmouth 11.24 Guysboro 7.08 



Shelburne 7.50 Cumberland G.50 



Digby 7.81 Colchester 6.56 



Queens 8.06 Pictou 6.39 



Annapolis 6.79 Antigonish 7.21 



Lunenburg . 6.74 Richmond 7.47 



Kings 7.41 Cape Breton 4.69 



Hants 6.28 Inverness 7.57 



Halifax 8.35 Victoria 5.50 



The average difference between the two dates for the Pro- 



o 



vince is 7.175 days about one week and four hours. 



Owing to the mild winter weather in Yarmouth, some plants 

 flower very early in sunny spots ; but the general flowering is 

 so retarded as to be less in advance of the rest of the Province 

 than the " first " flowering. On the average, it appears that 

 flowering becomes common about one week after the first 

 blossoms are seen. 



