﻿' Contrihidions to Canadian Botany. 277 



HiERACIUM GRACILE, Hook. 



Mount Mark, Vancouver Island. Alt. 3,000 ft. {John 

 Maco'Lcn.) Not before recorded from Vancouver Island. 

 New stations for this species from interior of British 

 Columbia are Queest Creek, Shuswap Lake, alt. 5,000 

 ft. ; mountains north of Grifiin Lake, alt. 6,000 ft. ; Toad 

 Mountain, Kootanie Lake, alt. 6,000 ft. {J. M. Macoitn.) 



HiERACIUM AURANTIACUM, L. ; Macoun, Cat. Can. Plants, 

 Vol. L, p. 557, and Vol. IL, p. 336. 



Since first collected at London by Mr. Dearness and 

 near Lake Magog, Que., by Mr. Giroux in 1889, this plant 

 has become a troublesome weed in parts of Quebec and 

 Ontario. Our herbarium specimens are from Lake 

 Memphremagog, Que. {Dr. Ells.) Mer Bleue, near 

 Ottawa, Ont. {Dr. Jas. Fletcher.) Port Colborne, Ont. 

 {John Macoun.) 



Lactuca Canadensis, L. 



Damp thickets, Sicamous, and Eevelstoke, B.C. {John 

 Macoun.) Not before recorded from west of prairie 

 region. Prof. Macoun (Cat. Can. Plants, Vol. I., p. 280) 

 says that this species is quite common in thickets in the 

 western prairie region, but our only herbarium specimens 

 from the prairie were collected at Morden, Man., by Prof. 

 Macoun in 1896. L. leucophcea, Gray, is common 

 throughout the prairie region, 



Lactuca hirsuta, Muhl. 



Alluvial soil near the Pembina River, three miles north 

 of Killarney, Man., 1896. {John Macoun. Herb. No. 

 12346.) Not before recorded west of Ontario. Sandy 

 woods near Ottawa and thickets west of Leamington 

 {John Macou7i) are new stations for Ontario. 



