204 ON THE GEOLOGY AND NATURAL HISTORY 
Lithospermum angustifolium, Michx. Near mouth of Powder river on Yellowstone. 
Mertensia lanceolata, D. C. White river and Bad Lands to Fort Pierre. 
Myosotis verna, Nutt. Bad Lands and Fort Pierre. 
Echinospermum Lappula, Lehm. Fort Pierre. 
Echinospermum patulum, Lehm. From Niobrara and White river to Bad Lands, 
Fort Pierre, and Yellowstone. More abundant than the last. 
Echinospermum strictum, Nees. Fort Pierre. 
Eritrichium glomeratum, D.C. Fort Pierre, Bad Lands to the Yellowstone. ‘The 
young specimens from White river are white canescent, the old ones from Fort 
Union are very rough and green; the seeds are more or less tubercled, style per- 
sistent, much thickened below. 
Eritrichium floro-cinereum, Torr. (ined. Fendler plants.) On Platte river near Fort 
Laramie. 
Eritrichium micranthun, Torr. (Fendler, 635.) Niobrara river, August 16th. 
Eritrichium suffruticosum, Torr. Fort Laramie, August 13th. 
Cynoglossum Morrisom, D.C. Fort Pierre and White river. 
HY DROPHYLLACE. 
Hydrophyllum Virginicum, Linn. Council bluffs and higher up on the Shady river 
banks. 
Hydrophyllum appendiculatum, Michx. Fort Pierre. 
Hydrophyllum macrophyllum, Nutt. Shady woods as high up the Missouri as mouth 
of White river, and in White river valley. Most abundant in the carboniferous 
limestone regions of Council bluffs, April. 
Ellisia ambigua, Nutt. Prairies and woods from Fort Leavenworth to the Yellow- 
stone. ‘The larger specimens, have the flowers frequently in naked racemes. 
Ellisia Nyctelea, Linn. About old houses and gardens to Big Sioux, and along old 
roads in prairie dog villages on the Upper Missouri. 
Phacelia circinata, Jacq. In Kansas; Dr. Cooper. 
POLEMONIACEA:. 
Phlox reptans, Linn. Above Council bluffs. 
Phlox pilosa, Linn, Above Council bluffs. 
Phlox Hoodii, Hook. Fort Union to Bad Lands. 
Phlox divaricata, Linn. Council bluffs and Platte valley. 
Collomia linearis, Nutt. Common about Fort Pierre; Fort Union. 
Gilia longiflora, Torr. In sandhills of Niobrara river. 
Gilia congesta, Hook. White river to Yellowstene. 
CONVOLVULACE. 
Calystegia sepium, R. Br. Council bluffs to Yellowstone, Loup fork. 
