812' BULLETIN UNITED STATES GEOLOGICAL SUEVEY. 



*216. Osmorrliiza hrevistylis, DO. 



217. Osmorrliiza longistylis, DC. 



1873. July. Pembina. 



AEALIACE^. 



218. Aralia nudicaulis, L. 



1873. July. Pembina. In woods. 

 *219. Aralia Jdspida, Mx. 



CORNACBiE. 



*220. Cornus Canadensis, L. 

 *221. Cormis paniculata, L'Her. 

 222. Cornus stolonifera, Mx. 



1873. July. Pembina. In flower.— August. Near Turtle 

 Mountain. In fruit. 



1874. July, August. Along river-bank. 



OAPRIFOLIAOE^. 



*223. Linncea dorealis, Gron. 



*224. Symphoricarpus occidentalism R. Br. 



1873. September. Mouse River. In fruit. — July. Pembina. 

 In flowers. Occurring in masses in thickets. 



1874. August. Sweetgrass Hills. 

 225. Symphoricarpus racemosus, Mx. 



1874, August. Base of Rocky Mountains. 

 *226. Lonicera involucrata, Banks. 

 227. Lonicera hirsuta, Eaton. 



1873. July. Pembina. In thickets. 

 *228. Lonicera ohlongifolia, Muhl. 

 *229. Lonicera parviflora, Lam. 



230. Viburnum Lentago, L. 



1873. July. Pembina. 



231. Viburnum Opulus, L. 



1873. July. Pembina. 

 *232. Diervilla trifida. Mcench. 



RUBIACE^. 



233. Galium horeale, L. 



1873. July. Pembina. Very abundant on the prairie. 



1874. June. Missouri River.— August, Rocky Mountains. 



234. Galium triflorum, Mx. 



1873. July. Pembina, 

 *235. Galium trifidum, L. 

 *236. Houstonia ciliolata, Torr. 

 *237. Roustonia tenuifolia, Nutt, 



