CATALOGUE OP CANADIAN PLANTS. 269 



Var. minus, Gray. Lesser Bui-dock. 



Pictou, lif.S. {McKay.') A form which probably belongs here was 

 found in some abundance at the railway station, Digby, IST.S. (Macoun.) 



322. CARDUUS, Tourn. (PLUMELESS THISTLE.) 



(1252.) C. nutans, Linn. Musk Thistle. 

 Spreading from ballast at Chatham, N.B. {Fowler's Cat.) 



(1253.) C. crispus, Linn. Welted Thistle. 



Introduced, but scarcely naturalized. Sparingly in the streets of 

 South Sidney, Cape Breton ; and on ballast heaps at Pictou, N. S. 

 {Macoun.) West side of Courtenay Bay, city of St. John, N. B. 

 Apparently naturalized. {Hay.) 



323. CNICUS, Vaill. (COMMON OR PLUMED THISTLE.) 



(1254.) C. lanceolatus, Hoffm. Common Eoadside Thistle. 



Cirnum lanceolaium. Scop. Gray, Manual, page 273. Macoun's Cat., 

 No. 1066. 



Naturalized in pastures and along roadsides throughout Canada. 

 Very abundant along the margin of woods and in half-cleared lands, in 

 Ontai-io. Victoria, Vancouver Island. {Fletcher.) 



(1255.) C. Pitcheri, Torr. 



Cirdum Pitcheri, Torr. & Gray. Gray, Manual, page 273. Macoun's 

 Cat, No. 1067. 

 Borders of fields near Port William, Thunder Bay. {Macoun.) 



(1256.) C. undulatus. Gray. Western Prairie Thistle. 



Oirdum undvlatum, Spreag. Gray Manual, page 273. Macoun's Cat., 



No. 1065. 

 C. Hookerlanum, Nutt. Torr. & Gray Fl. II., 457. 



Abundant on the western prairies from Manitoba to the Eocky 

 Mountains and northward to the limits of the prairie. {Macoun.) 

 Banks of the Saskatchewan. {JDrummond.) Turtle Mountain, 49 th 

 parallel, at Garrett's Eanche, Old Man Eiver, N.W.T. ; also, Kootanio 

 Valley, B.C. {Dawson.) Spence's Bridge, B.C. ■ {Fletcher.) 



(1257.) C. pumilus, Torr. (?) 



Cirsium pumilum. Sprang. Gray, Manual, page 274. 

 This form is apparently quite distinct from C. undulatus, as it is 



