426 GEOLOGICAL SrRVET OF CANADA. 



(1938.) E. obtusata, Pursh. 



Near Quebec. (^Mrs. Shepherd.) Canada. {DrummoTid.) Vicinity 

 of Hamilton, Ont. (JBvLchan.) 1 Having never seen this species, we 

 are doubtful of its occurrence, and believe the above references belong 

 to M. platyphylla. 



(1939.) E. HELioscopiA, Linn. Sun Spurge. 



Abundant in the streets of towns and cities and ai-ound ruined 

 buildings, completely naturalized. Very abundant amongst the ruins 

 of Louisburg, Cape Breton, also at Yarmouth, N.S. (^Macoun.) In the 

 streets of Pietou, JST.S. {McKay.) Eiver Charlo, and at Buctouche, 

 N.B. (Fowler's Cat.) At Quebec and Sheldrake Eiver, Q. (^St. Cyr.) 

 Common in fields along the G-asp6 coast. {Macoun.) Conimon in the 

 streets of Montreal, 1821. (Holmes.) Very common around Eivi^re 

 du Loup, Q. (Thomas.) On waste heaps around Ottawa. (Fletcher 

 Fl. Ott.) Eoadsides, at Preseott, Ont., common. {Billings.) Common 

 in nearly all the cities, towns and villages of Ontario. (Macoun.) 

 Vicinity of Hamilton. (Buchan.) Lake shore near Fort Erie, Ont. 

 (David F. Day.) Waste places, Niagara Falls, and railway track 

 at Essex Centre, Ont. (Burgess.) 



(1940.) E. Ctparissias, Linn. 



Escaped from gardens and becoming firmly established wherever it 

 can gain the slightest foothold. Escaped from gardens at Halifax. 

 (Lawson.) Along roadsides at Annapolis, and on the Blomidon road, 

 N.S. (Macoun.) Sparingly escaped from gardens at Pietou, N.S. 

 (McKay.) Eoadside at Nashwaak, N.B. ( Vroom.) On waste heaps 

 and by garden fences at Ottawa. (Fletcher Fl. Ott.) By garden 

 fences in and around Belleville, Picton, and Trenton, Ont. (Macown,.) 

 Vicinity of Hamilton, Ont. (Buchan.) Sandy wast e places at London, 

 Ont. (Burgess.) 



(1941.) E. Peplus, Linn. 



Not common but appearing every year in gardens and flower beds 

 in some localities. In the streets of Pietou, N.S., rather rare. (McKay.) 

 Spontaneous in gardens at Eichibucto, N.B. (Fowler's Oat.) A weed 

 in gardens at Chipman, N.B. ( WetTuo re.) Along the Ottawa at Green's 

 Creek. (Fletcher.) In several localities at Belleville, Ont. (Macoun.) 

 Vicinity of Hamilton, Ont. (Buchan.) 



(1942.) E. commutata, Bngelm. (?) 



Specimens referred here were collected on Laurentian rocks at Shan- 

 vonviUe, Hasting Co., Ont., in Jime, 1867, and again in 1871. The 



