610 



210. Cirsium altissiininu (L.) Spreng. 



In open, fairly dry places in the swamp meadow and the 

 meadow ; rare. 



211. C. arvcnsc (L.) Scop. 



A few fair-sized patches in drier parts of the swamp mead- 

 ow ; scarcely f reciuent. 



212. Taraxacum officinale Weber 



In the meadow ; frequent. 



213. Lactiica scariola L., var. iiitcgvata Gren. & Godr. 



In dry, open spots in the meadow and swamp meadow; oc- 

 casional. 



214. L. canadensis L. 



In the meadow ; frequent west of Braeside and Glencoe. 



215. L. canipestris Greene 



In the meadow ; frequent west of Braeside and Glencoe. 

 L. canipestris X canadensis, an evident hybrid, occurs west of 

 Glencoe among specimens of the two species proper. The plants 

 resemble in general appearance L. canadensis, a few of the leaves, 

 however, becoming slightly hispid-setose underneath the mid- 

 nerve. The corollas in the fresh specimens are a bright blue, 

 closelv resembling- those of L. canipestris. Seed gathered in 

 191 1 was planted in 1912 but did not germinate. 



216. L. spicata (Lam.) Hitchc. 



Along certain ditches ; occasional. 



217. PrenantJies raceniosa Michx. 



In the meadow, west of Glencoe; frequent. 



