154 



PHENOLOGICAL OBSERVATIONS IN 



CANADIAN PHENOCHRONS, 1902. 

 Observation Stations— When First Seen. 



Day of the year 1932 corres- 

 ponding to the la.st day of 

 each month. 



Jan 31 July 212 



Feb 59 Aug 243 



March 90 Sept- 273 



April 120 Oct 3f4 



May 151 Nov 334 



June 181 Dec 365 



Alnus incana, Willd 



Populus tremuloides, Mx 



Eplgsea repens, L 



Viola cucullata, Gray ... 



V. blanda, Willd 



Acer rubrum, L 



Houstonia cserulea, L 



Equisetum arvense, L 



Taraxacum officinale, Web. . . 

 Erythronium Amer., Ker. . . . 



Hepatica triloba, Chaix 



Coptis trif olia, Salisb 



Fragaria Virginiana, Mill.... 



" (fruit ripe). . . 

 Prunn.s Pennsyl., L 



" (fruit ripe). . . 

 Vaccinium Penn., Lam 



" (fruit ripe) . . . 



Ranunculus acris, L 



R. repens, L 



C'lintonia borealis, Raf 



Trillium cry throcarpum 



Trientalis Anieri., Pursh 



Cypripedium acaule, Ait.. .. 



Calla palustris, L 



Amelanchier Canadensis 



•' (fruit ripe). . . 



'o O 



SCcg 



< 



93.5 

 103.5 



94.9 

 119.1 

 116.9 

 117.1 

 131.8 

 122.4 

 119.8 

 130.8 

 117.4 

 128.3 

 117.6 

 1G6 6 

 141.2 

 223.1 

 1110 

 207.1 

 147.2 

 155.3 

 155.2 

 118.0 

 147.4 

 158.4 

 160.6 

 138.8 

 194.0 



143 



145 



2 



5 a 

 c3 



147 



232 



145 



147 



123 



130 



138 





108 "142 



*142 

 *161 



'138 



119 



'216 

 *156 



'130 



'163 



I'-il *156 

 120*126 



137 135 



123 



133 



123 



138 



195 



127 156 



183 200 



147 



219 

 120 ' 170 



6170 



rf59 



rfl08.7 



e97 

 100 

 /92 



80 



^1 



102.8 

 153. 

 .1/116 .... 



..128 

 ...; 185.1 

 130 119.6 

 125 



hm 



M21.8 



124 144C143 



....I....' 205' 



C123.5 



*When becoming common. a Rosa blanda b Cypripedium hirsutum. 

 cA. alnifolii. d Alnus rubra. e Viola palustris. /A.niacrophyllum. 

 a Prunu.s eniarginata. h Trientalis Europiea. Ic Calypso. 



