ii6 Wyoming Experiment Station. 



Cicuta maculata, L. Sp. PI. 256 (1753). 



In wet places along streams, particularly in the lower altitudes. 

 Lusk, July 21. 1894 (No. 573); Meadow Creek, August 9, 1894 

 (No. 790); Laramie River, near lone Ranch, August 10, 1895 (No. 

 1557). 

 Carum Gairdneri, B. & H. Gen. PI. i, 891. 



In fertile valleys in the mountains, particularly such as are par- 

 tially covered with undershrubs. The " Yamp " of the Indians. 



Garfield Peak, July 29, 1894 (No. 660); Gros Ventre River, Au- 

 gust 18, 1894 (No. 1096). 

 Zizia cordata, DC. Prodr. iv, 100 (1830). 



Along streams and on moist hillsides even to their summits. 

 Horse Creek, June 9, 1894 (No. 204); Pole Creek, June 29, 1895 

 (No. 1327). 

 Slum cicutsefolium, Gmelin. Syst. ii, 482 (1791). 



In the margins of fresh water lakes and ponds. 

 Bull Lake, August 8, 1894 (No. 731); Laramie River, August 10, 

 1895 (No. 1665). 

 Osmorrhiza nuda, Torr. Pac. Rep. iv, 93 (1857). 

 In copses along most of our streams. 



Garfield Peak, July 29, 1894 (No. 650); Centennial Valley, Au- 

 gust 19, 1895 (No 1722). 

 Cymopterus montanus, T. & G. Fl. N. A. i, 624 (1840). 

 One of the earhest plants on the plains and hills. 

 Laramie, May 7, 1894 (No. 9); specimens from previous years 

 also in the herbarium. 

 Ligusticum apiifolium, Benth. & Hook. Gen. PI. i, 912. 

 A species with handsome foliage, quite rare. 

 Union Pass, August 11, 1894 (No. 832). 

 Ligusticum filicinum, Watson, Proc. Am. Acad, xi, 140. 



These specimens were not secured until after most of the fruit had 

 fallen off, but the remaining fruits and foliage made satisfactory de- 

 termination possible. * 

 Gros Ventre river, August 18, 1894 (No. 1095). 

 Ligusticum scopulorum, Gray, Proc. Am. Acad, vii, 347 (1868). 



Fine specimens were collected at an unusual altitude, nearly 11,- 

 000 ft. 



La Plata Mines, August 23, 1895 (No. 1784). 



