264 Canadian Record of Science. 



Contributions to Canadian Botany. 



By James M. Macoun. 



V. 



Thalictrum venulosum, Trelease. 



In thickets, Seven Persons' Coulee, Medicine Hat, Assa.; 

 Crane Lake, Assa. ; Cypress Hills, Assa., 1894. (John 

 Macoun, Herb Nos. 2952, 2953, 2954. 1 ) Our only records 

 between Lake Manitoba and the Eocky Mountains. 2 



Eanunculus abortivus, Linn. ■ 



Lake Petitsikapau, Hamilton Eiver, Labrador, 1894. 

 (A. P. Low, Herb No. 4331.) Most northern record for 

 Eastern Canada. 



Eanunculus hispidus, Michx. 



Our only specimens of this plant are from Wesley Park, 

 Niagara, Ont. (John Macoun.) 



Eanunculus Coc-ley^e, V. & E. 



Mount Eapho, Lat. 56° 13', Long. 131° 46'. Alt. 

 3,800 ft. July, 1894. (Otto Klotz and H. W. E. Cana- 

 van.) Only Canadian record. First collected near Juneau 

 Alaska, by Miss Grace Cooley, in 1891. 



Act^a spicata, Linn, var. rubra, Ait. 



Lake Michikamau, Labrador, 1894. (A. P. Joio. Herb. 

 No. 4331.) Northern limit in Eastern Canada. 



Nymph^a pygmjea, Ait. 



New stations for this rare plant are Loon Lake, 

 C. P. Ey. east of Port Arthur, Ont., and Petobi Brook, 

 Gull Bay, Lake Nepigon, Ont., 1894. (Wm, Mclnnis.) 



i Whenever herbarium numbers are given, they are the numbers under which speci- 

 mens have been distributed from the hei barium of the Geological Survey of Canada. 

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



