89 C 174 ] 



Astragalus gracilis, (Nutt.) Forks of the Platte. July 2. 



A. mollssimus, (Torr.) Valley of the Platte. June 29. 



A. hypoglotlis, (Linn.) Sweet Water of the Platte. August 5. 



Oxytropis Lambertii, (Pursh.) Big Blue river of the Kansas to the forks of the Platte. June 



20, July 2. 

 O. Plattensis, (Nutt. ?) (no flowers.) Goat island of the Upper Platte. July 31. 

 Phaca astragalina, (DC.) Highest summits of the Wind river mountain. August 15. 

 P. elegans, (Hook.) var.? Goat island of the Upper Platte. July 31. 

 P. (Orophaca) digitata, n. sp. Little Sandy river. August 8. 

 P. longifolia, (Nutt.) (leaves only.) Wind river mountains. August 12-17. 

 Kentrophyta montana, (Nutt.) Laramie river to the Sweet Water. July 14, August 5. 

 Luphius leucopbyllm, (Lindl.) Wind river mountains, and Sweet Water of the Platte. August 



4-21. 

 L. ornatus, (Dougl.) L. leucopsis, (Agardh.) With the preceding. 

 Baptisia leucantha, (Torr. andGr.) Kansas river. 

 Thermopsis montana, (Nutt.) Sweet Water river. August 5. 

 Cussiachamcecrista, (Linn.) Mouth of the Platte. September 30. 

 Schrankia uncinata, (Willd.) Kansas and Platte rivers. June 19, September. 

 Durlingtonia brachypoda, (DC.) On the Platte. September 17. 



ROSACEA. 

 Cerasus Virghiiana, (Torr. and Gr.) Upper north fork of the Platte. July 30. 

 Cercocarpus parvifolius, (Nutt.) Bitter creek, north fork of the Platte. July 22. 

 Purshiatridentata, (DC.) Sweet Water river, &c. August 12, September. 

 Geum Virginianum, (Linn.) Kansas river. June 20. 



Sibbaldia procumbens, (Linn.) Wind river mountains, near perpetual snow. August 13-14.. 

 PotentiUa gracilis, (Dougl.) With the preceding. 



P. diversi folia, (Lehm.) Sweet Water of the Platte to the mountains. August 4-15. 

 P. sericea, (i glabrata, (Lehm. ) With the preceding. 

 P. fruticosa, (Linn. ) With the preceding. 

 P. anserina, (Linn.) Black hills of the Platte. July 26-31. 

 P. arguta, (Pursh.) Little Blue river of the Kansas, and Black hills of the Platte. June 23,. 



August 28. 

 Rubus strigosus, (Michx.) Defiles of the Wind river mountains. August 1.2-17. 

 Amelanchier diversifolia, var. alnifolia, (Torr. and Gr. ) Sweet Water of th« Platte. August 5. 

 Rosablanda, (Ait.) Lower Platte. 

 R. foliolosa, (Nutt. ) var. leiocarpa. With the preceding. 



ONAGRACE^E. 



Epilobium coloratum, (Muhl.) Black hills of the Platte to the Sweet Water river. Aug. 4-3L 

 E. spicatum, (Lam.) From the Red Buttes to the Wind river mountains. August 13-31. 

 (Enothera albicaulis, (Nutt.) North fork of the Platte. July 14. 

 (E. Missouriemis, (Sims.) Big Blue river of the Kansas. June 19-20. 

 (E. trichocalyx, (Nutt.) North fork of the Platte. July 30. 

 <E. serrulata, (Nutt.) On the Kansas and Platte. June, July 14. 

 €E. rhombibetala, (Nutt.) On the Platte. September 18-20. 

 <E. biennis, (Linn.) Black hills to the Sweet Water river. July 23, August 4. 

 (E. (Taraxia) Nuttallii, (Torr. and Gr.) Upper part of the Sweet Water. 

 (E. speciosa, (Nutt ) Big Blue river of the Kansas. June 19-20. 

 (E. Drummondii, (Hook. 1) Black hills. July 26. 



Gaura coccinea, (Nutt.) Var. ? Little Blue river of the Kansas, and south fork of the Platte 

 June 26, July 4. 



