CATALOGtJE OP CANADtAN PLANTS. 279 



(1305.) T. grand iflorum, Gray. 



Macrorhynchus grandiflorus, Torr. & Gray Fl. II., 492. Macoun's 

 Cat, No. 1103. 

 Along the Thompson Eiver near Spence's Bridge, B.C. {Fletcher.) 



(1306.) T. heterophyllum, Greene. 



Macrorhynchus heterophyllus, Torr. & Gray Fl. II., 493. Macoun's Cat., 

 No. 1101. 



Vicinity of Victoria, Vancouver Island. (Fletcher.) 



(130'7.) T. gracilens, Gray. 



South Kootanie Pass, 49th parallel ; Foot Hills between the Forks 

 of the Old Man Eiver, Iroquois Creek, Pine Pass, Lat. 55° ; Flat Head 

 Eiver ; Tsi-tsult Mountains, B.C. {Dawson.) Dry places On the Fraser 

 above Boston Bar, B.C. (Fletcher.) Cascade mountains, Lat. 49". 

 (Lyall.) 



336. TARAXACUM, Hall. (DANDELION.) 



(1308.) T. officinale, Weber. 



T. Dens-leonis, Desf. Torr. & Gray Fl. II., 494. Macoun's Cat., No. 1090. 

 Leontodon Taraxacum, Hook. Fl. I., 296. 



Completely naturalized throughout Canada, and found wherever 

 settlers have penetrated. The indigenous forms are arranged and 

 characterized by Dr. Gray as below. 



Var. alplnum, Koch. 



Taraxacum latilohum, DC. Prodr. YII., 494 (?) 



Outer involucral bracts ovate to broadly lanceolate, spreading, none 

 conspicuously corniculate. Not uncommon along the Labrador coast, 

 flowers usually very large. (W. A. Stearns.) Common in grassy 

 places on Anticosti, and on the top of Mount Albert, Shickshoek 

 Mountains, Gasp^. In cool copses near Fort Ellice, Man., and north- 

 westward in the wooded country to and beyond the Eocky Mountains. 

 (Macoun.) Labrador to British Columbia. (Gray.) 



Var. glaucescens, Koch. 



Taraxacum ceratophorum, DC. Torr. & Gray, Fl. II., 495. 



Outer involucral bracts lanceolate to linear, loosely erect or spreading, 

 inner ones and sometimes outer with a corniculate appendage below 

 the tip. Ounalashka and Norton Sound. (Rothr. Alask.) Greenland. 



