448 Canadian Record of Science. 



*Sonchus oleraceus, L. (Sow-thistle.) 



Common everywhere, roadsides, about dwellings and in 

 fields. Also on Cacouna Island. Flower. 



*Sonchus arvensis, L. (Sow-thistle.) 



Very common in fields everywhere and near the shore on 

 Cacouna Island. This plant is particularly abundant 

 in grain-fields, where it covers large areas, to the 

 great detriment of the crops. Flower. 



Campanula rotundifolia, L., var. arctica, Lange. (Hare- 

 bell.) 

 Abundant everywhere on bold cliffs and dry, rocky hills. 

 Particularly abundant along the rocky shore. On 

 Cacouna Island it is very abundant on the rocky 

 slopes, extending nearly to the summit. Also com- 

 mon in dry, rocky fields. Flower. 



Vaccinium pennsylvanictjm. Lam. (Blueberry.) 



A very common species on all the dry, rocky slopes and 

 ridges. On Cacouna Island it is also very abundant, 

 extending to the summit, where the fruit is several 

 days later than on the mainland and along the shores 

 of the island. Fruit. 



One of the species supplying the blueberries of the 

 market. 



Vaccinium oanadense, Kalm. (Blueberry.) 



Low grounds, everywhere common, furnishing lai'ge, 

 luscious berries in great abundance. The principal 

 source of the market supply. Fruit. 



Vaccinium vitis-id^a, L. (Mountain Cranberry.) 



Somewhat common on the cliffs near the shore, but in 

 these situations it seems to fruit sparingly. Abund- 

 ant on the dry, rocky ridges and on Pilot Hill. 

 Very abundant on Cacouna Island, extending to the 

 summit over exposed ledges, where it fruits very 

 freely. It is also found very sparingly in the low 



