2()8 OKOI.tMlirAI. St U\ KV (>!•' CANADA. 



(Ui:^ S. hydrophilus, Null. 



In water or \c\-y wi'l i^rmiiid, osjnH'ially in hi-aclcish water, Montana 

 ti> British ( 'oliiniliia. (^/nny.) 



319. CACALIA, Linn. (INDIAN PLANTAIN.) 

 (124S) C. atripllcifolia, I/mn. 



Sau'cio alripHcifoliiut, lI(H)k. Fl. I., '3'^'2. 



Cana<la. {^('leghorn vide Jfooker.) Moist woodland, western Ontario. 

 i^Torr. tl- Gray.) Not collected recently. 



(1249.) C. tuberosa, Nutt. 



Marsh at the head of Chicken Bay, Lake Huron, Bi-uce Peninsula. 

 (Alacoun.) 



Excluded Species. 



Cacalia suaveolens, Linn, i-eported from Windsor, N.S., is Erechtites 

 hieraeifolia, Eaf. 



320. TETRADYMIA, DC. 



(1250.) T. canescens, DC. 



Hills and plains, along with Artemisia tridentata, N. Wyoming and 

 British Columbia. (Gray.) 



321. Arctium, Linn. (BURDOCK.) 



(1251.) A. Lappa, Linn. Common Burdock. 



Lappa major, Gtertn. Torr. & Gray Fl. II., 463. 



L. officinalis, All. var. major. Gray, Manual, page 275. Macoun's Cat., 

 No. 1071. 



Naturalized throughout the settled parts of the country and becoming 

 a pest on vacant lots in towns and cities. In the country places it is 

 seen in too great profusion about farm houses. 



Var. tomentosum, Gray. 



Collected at Mori-ison's Mill, Fredericton ; also, abundant at Eich- 

 mond, Carleton Co., N.B. ( Vroom.) 



