272 The Ottawa Naturalist. [March 



Aster vimineus, Lam., var. saxatilis, Fernald, Rhodora, vol. i, 

 p. 188. 



Paugan Falls, Que.; banks of the Nation River at Cas- 

 selman, Ont. {John Macoiin.) 



Erigeron Brandegei, Greene. 

 Aplopappiis Brandegii, Gray. 



On mountains north of Chilliwack Lake, Coast Range, 

 B. C, alt. 6,500 to 7,500 ft., 1 90 1. {J. M. Macoun.) Not 

 recorded west ot Selkirk Mts.^ 



Gnaphalium uliginosum, L. 



Abundant along ditches, Chilliwack, B. C, 1901. {J. 

 M. MacounA Our only specimens from British Columbia. 



Xanthium Pennsylvanicum, Wallr. 



Common at Humber Bay in front of High Park, Toronto, 

 Ont., 1901. Herb. No. 26,807. {John Macoun.) 



Xanthium commune, Britt. 



From Quebec to Manitoba. Our specimens are from 

 Casselman, Ottawa and Napanee, Ont., and Brandon and 

 Killarney, Man. 



Xanthium Macounii, Britt. 



Goose Island, Lake Winnipeg, Man., 1884. The type. 

 {J. M. Macoun.) Only known station. 



Xanthium glanduliferum, Greene. 



Police Point, Medecine Hat, Assa. Herb. No. 10,911 ; 

 Walsh, Assa. Herb. No. 10,9x0, the type ; east of Hand 

 Hills, Alta. {John Macoun.) 



X. echinatuvi and X. Catiadense are not known to occur 

 in Canada, but as they grow in the Northern States they will 

 probably be found in Southern Ontario. 



Silphium perfoliatum, L. 



Not rare at Chatham, Ont. {John Macowt.) 



1 The geographical limits given in these papers refer to Canada only. 



