236 
THE AMERICAN MIDLAND NATURALIST 
232. Carex aquatilis substricta Kiikenthal, Pflanzenreich ~ 
IV. 20: 309. (1909). 
Sheyenne. 
233. Carex Emoryi Dewey, Bot. Mex. Bound. 330. (1858). 
Pleasant Lake, Towner, Minot. 
234. Carex aurea Nutt. Gen. 2: 205 (1818). 
Devils Lake; Kulm (Brenckle); Dickinson (Cl. Waldron). 
235. Carex filifolia Nutt. Gen. 2: 204. (1818). 
Butte, Towner. 
236. Carex scirpiformis Mackenzie, Bull. Torr. Bot. Club 
35: 270. (1908). 
Between Rolette and Thorne (extinct). 
237. Carex heliophila Mackenzie, Torreya, Vol. 13. No. 1. 
(1913). 
Leeds, Butte, Minot; Kulm (Brenckle). 
238. Carex pennsylvanica Lam. Encycl. 3: 388. (1789). 
In woods: Devils Lake and Turtle Mountains. 
239. Carex lanuginosa Michx. Fl. Bor. Am. 2: 175. (1803). 
Leeds, Butte, Willow City, Towner. 
240. Carex tetanica Schkuhr. Riedgr. Nachtr. 68, figs. Ioo 
and 207. (1806). 
Leeds, Thorne, Sheyenne. 
241. Carex Crawei Dewey, Am. Journ. Sci. (II.) 2: 246. (1846) 
Towner. 
242. Carex Shriveri Britton, Manual 208. (Igor). 
Butte. 
243. Carex assiniboinensis W. Boott, Coult. Bot. Gaz. 9: 
gI. (1884). 
Peninsula of Lake Ibsen, Towner. 
244. Carex Sprengelii Dewey, Spreng. Syst. 3: 827. (1826). 
Peninsula of Lake Ibsen, Devils JTake, Pleasant Lake, 
Dunsieth. 
245. Carex abbreviata Prescott; Boott, Trans. Linn. Soc. 
20: 141. (1846). 
Butte. 
246. Carex Parryana Dewey, Am. Journ. Sci. 27: 239. (1835). 
Leeds (extinct), Towner. 
247. Carex viridula Michx. Fl. Bor. Am. 2: 170. (1803). 
Sheyenne, ‘Towner. 
148. Carex laeviconica Dewey, Am. Journ. Sci. 24: 47,/(1857). 
