STATE GEOLOGIST. 169 



SCHEDON'JS'ARDUS, Steudel.* Schedonnardus. 



S. Texanus, Steud. (Lepturus paniculatus, Nutt.) Schedonnardus. 



Rocky hills. Mound township, Rock county, Leiberg . [Upper Missouri river, Geyer.] 

 Rare. Southwest. 



LiOLIUM, L. Daenel. Rat-Grass. 



L. temulentum, L. Bearded Darnel. 



Mankato (plentiful about the elevator of the St. Paul & Sioux City railroad), Leiberg. 



AGROPYRUM, Beauv. (Tkiticum, L., in part.) Wheat-Grass. 



A. repens, Beauv. (T. repens, L.) Couch-, Quitch-, Quick-, or "Witch- 

 Grass. 

 Frequent, or common, throughout the state, but rarely so plentiful as to be trouble- 

 some. (Specimens which must be referred to tliis species, as decided by Mr. Sereno 

 Watson, were found at Minneapolis on the embankment of the railroad about an eighth 

 of a mile nortliw^est from the University and close west of Tuttle's brook, having a very 

 narrow and long upike of many spikelets, awnless. as long or half as long as the joints 

 of the rhachis, 3-flowered, with a rudiment of a fourth flower, often the lowest or the 

 middle flower not ripening its grain, and having in some instances no running root- 

 stocks. The typical T. repens occurs near by, and also forms which seem to be inter- 

 mediate in respect to both the character of the spikes and the presence of rootstocks. 

 Upham.) 



A. dasystacliyum, Vasey. (T. dasystachyum, Gray.;) "Wheat-Gras>\ 

 North shore of lake Superior, A.gassiz; doubtless also in northern Minnesota. 



A. violaceuin, Vasey. (T. violaceum, Hornemann.) Wheat-Grass. 



Throughout the state, but rarer than the next. Pembina, Havard; In openings of 

 woods, on sandy modified drift, at the northwest side of Mille Lacs, TJpham-^ Ramsey 

 county, Oestlund; Emmet county, Iowa, Cratty. 



A. caiiiiiuiii, Roem. & Schultes. (T. caninum, L.) Wheat-Grass. 



Frequent throughout the state, excepting perhaps far southward. Pembina, Hav- 

 ard; Minneapolis, Twining, Upham; Blue Earth county, Leiberg-^ New Ulm, Juni. [Be- 

 tween the James and Red rivers, Dakota, Geyer. \ 



HORDEUM, L. Barley. 



H. jubatuni , L. Squirrel-tail Grass. 

 Common, or frequent, throughout the state. 



H. pusillum, Nutt. (H, pratense, Gray's Manual) Barley-Grass. 

 Blue Earth county, Leiberg. Rare. South. 



ELYMUS, L. Lyme Grass. Wild Rye. 



E. Virginicus, L. Wild Rye. 



Frequent throughout the state ; less common than the next. 



E. Canadensis, L. Nodding Wild Rye. 

 Common throughout the state. 



*SCHEDONNARDrs, Stcudel. Splkolcts one-flowored, solitary at each joint of the 

 slender triangular rhachis of the paniculate spikes, and partly immersed in an excava- 

 tion ; the spikes alternate and distant ; outer glumes acuminate, unequal, the longer 

 equaling the flowering glume, which is linear-acuminate, and thickish at the keel ; palet 

 shorter and thinner. Vasey's Grasses of U. S. 



