18 Catalogue of Plants, 



Gentianacece. 

 Gentiana Andrewsii, (Griset). Moist thickets, northward ; rare. 

 Menyanthes trifoliata, (L.) Marshes and swamps, northward ; abun- 

 dant. 

 jipocynacea. 



Apocynum cannabinum, (L.) Sandy hill-sides, northward; rare. 

 ChenopodiacecB. 

 Chenopodium hybridum, (L.) Very common. 



" Botrys, (L.) Near Grand Trunk Station ; rare. 



PolygonacecB. 

 Polygonum Pennsylvanicum, (L.) Exposed, waste places ; common. 

 " hydropiperoides, (Michx). Nation river, in water; com- 



mon. 

 " tenne, (Michx). Banks of the St. Lawrence, westward. 



Fagopyrum esculentum, (Moench). "Woods and fields, frequent. 

 El(BagnacecB. 

 Shepherdia Canadensis, (Nutt.) Rocky banks of the St. Lawrence 

 westward. 

 CeratophyllacecB. 

 Ceratophyllum demersum, (L.) St. Lawrence River, and Conway's 

 Bay ; very common. 

 Calliirichace<2. 

 Callitriche verna, (L.) Ponds and small streams ; rare. 



" autumnalis, (L.) St. Lawrence, in shallow water; abun- 



dant. 

 Euphorhiace<2. 



Euphorbia maculata, (L.) Railway tracks, and hard soil in open 

 places ; rare. 

 " obtusata, (Pursh). Road-sides and waste places ; very 



common. 

 Acalyphya Caroliniana, (Walt.) Similar situations as last, but rare. 



MyricacecB. 

 Myrica Gale, (L.) Rocky banks of the St. Lawrence, near Brockville ; 



rare. 

 Comptonia asplenifolia, (Ait.) Woods and wastes near G. T. R'way 



gravel-pit ; abundant. 

 Betulace<2. 

 Betula alba, var. populifolia, (Spach). Rocky banks of the St. Law- 

 rence, near Brockville. 

 SalicacecB. 

 Salix Candida (Willd). Marshes, and moist open places ; common. 

 " longifolia, (Muhl). Very common. 



" nigra, (Marshall). Rare, but large; one tree, about half a mile 

 west of the town, in a swamp, measures seven feet at 



five feet from the roots. 

 Conifer (2. 



Pinus rigida, (Miller). Rocky banks of the St. Lawrence, near 



Brockville. 

 Juniperus communis, (L.) Abundant, on the banks of the St. Law- 



r'^nce, near Brockville. 



