Minnesota Plant Life. xxi 



FIG. 155. Moosewood maple. After Britton and Brown 316 



FIG. 156. Touch-me-not. After Britton and Brown 317 



FIG. 157. Tree covered by grape-vine. After photograph by Williams. . 320 

 FIG. 158. Virginia creeper on tree trunks. After Schneck in Meehan's 



Monthly 322 



FIG. 159. Basswood trees. Shore of Lake Calhoun. After photograph 



by Hibbard 324 



FIG. 160. Beach heather. After Britton and Brown 327 



FIG. 161. Sweet white violet. After Britton and Brown 328 



FIG. 162. Western prickly-pear cactus. After Britton and Brown 330 



FIG. 163. Ginseng. After Britton and Brown 337 



FIG. 164. Water-parsnip. After Britton and Brown 338 



FIG. 165. Wild parsley. After photograph by Williams 339 



FIG. 1 66. Water-hemlock. After Chesnut. F. B. 86, U. S. Dept. Ag.. . 340 



FIG. 167. Dwarf cornel. After Britton and Brown 341 



FIG. 168. Wintergreen plant in flower. After Atkinson 351 



FIG. 169. Kalmia flowers. After Atkinson 354 



FIG. 170. Moss-plant. After Britton and Brown 355 



FIG. 171. Small cranberry. After Britton and Brown 357 



FIG. 172. Yellow gentian. After Britton and Brown 362 



FIG. 173. Swamp milkweed. After Britton and Brown 365 



FIG. 174. Brookside vegetation. Milkweeds in foreground. After pho- 

 tograph by Williams 366 



FIG. 175. Dodder in flower; the parasite is seen to be clutching tightly 



the stem of its host plant. After Atkinson 368 



FIG. 176. Virginia water-leaf. After Britton and Brown 37 



FIG. 177. Blue verbena. After Britton and Brown 373 



FIG. 178. Wild mint. After Britton and Brown 375 



FIG. 179. Clump of horse-mint (in middle of picture). After photo- 

 graph by Williams 376 



