[ 174 ] 92 



A. Lewisii, (Torr. "and Gr. ? ) No Bowers. On the Platte. 



Sleplianomeria runcinata, (Nutt.) Upper Platte. 



Gnaphulium uliginosum,\{\Ami.) Var. foliis angustinribu*. Sweet Water river. 



G. palustre, (Nutt.) /?. (Torr. and Gr.) With the preceding. 



Arnica angusti folia, (Vahl.) A. fulgens, (Pursh.) Defiles of the Wind river mountains, from 



7,000 feet and upwards. August 13-14. 

 Senecio triangularis, (Hook.) 0. (Torr. and Gr.) With the preceding. 

 S. subnudus, (DC.) With the preceding. 

 S. Fremoniii, (Torr. and Gr.) n. sp. Highest parts of the mountains, to the region of perpetual 



snow. Aug. 15. 

 5. rapifolius, (Nutt.) North fork of the Platte and Sweet Water. 

 S. lanceolalus, (Torr. and Gr. ) n. sp. With the preceding. 

 S. hydrophilus, (Nutt.) On a lake in the Wind river mountains. Aug. 12-17. 

 S. spartioides, (Torr. and Gr.) n. sp. Sweet Water river. Aug. 21. 

 S. filifulius, (Nutt.) ft Fremontii, (Torr. and Gr.) Lower Platte. 

 Cacalia tuberose, (Nutt. ) Upper Platte. 

 Tetradymia inermis, (Nutt ) Sweet Water river, from its mouth to the highest parts of the Wind 



river mountains. 

 Cirsium altissimum, (Spreng. ) Lower Platte. 

 Crepis glauca, (Hook.) Upper Platte. 

 Macrorhynchul (stylopappus) troximoides, (Torr. and Gr. ) Defiles of the Wind river mountains. 



Aug. 13-14. 

 Mulgtdium pulchellum, (Torr. and Gr.) Black hills of the Platte. July 25 31. 

 Lygodcsmia juncea, (Don.) Upper Platte. 

 Troximon parvijhrum, (Nutt. ) Sweet Water river, near the mountains. 



LOBELIACEJ3. 

 Lobelia spicata, (Lam.) On the Lower Platte. June 28. 

 L. siphilitica, (Linn.) North fork of the Platte. Sept. 4. 



CAMPANULACEJE. 



Campanula rotundi folia, (Linn.) Lower Platte. 



Specularia amplexicaulus, (DC.) Little Blue river of the Kansas. 



ERICACEAE. 



FhyUodoce empetriformis, (D. Don.) Defiles of the Wind river mountains. Aug. 13-16. 



Vaccinium myrtilloides, (Hook.) Wind river mountains, in the vicinity of perpetual snow.. 

 Aug. 15. 



V. uUginosum, (Linn.) With the preceding. 



Artostaphylos uva-ursi, (Spreng.) On a lake in the mountains. Aug. 12-17. 



PRIMULACEiE. 

 Dodeattheon dentatum, (Hook.) Defiles of the Wind river mountains. Aug. 13-16. 

 Androsace occidentalis, (Nutt.) Sweet Water river. Aug. 5. 

 Lysimachia ciliata, (Linn.) Forks of the Platte. July 2.. 

 Glaux maritima, (Linn.) Upper Noith fork of the Pla|*& • July 31. 



SCROPHULARiACE^E. • 



Qrthocarpus luleus, (Nutt.) Sweet Water river. Aug. 5. 



Mimulus ulsinoides, (Benth.) Defiles of the Wind river mountains. Aug. 13-16. 



M. Lewisii, (Pursh.) With the preceding. 



Castilieju pallida, (Kunth.) Sweet Water riyer. Aug. 8. 



