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[ 174} 92 
A. Lewisit, (Torr.and Gr.?) No flowers. On the Platte. 
Stephanomeria runcinata, (Nutt.) Upper Platte, . ' 
Graphalium uliginosum, (Linn.) Var. fois Poa itiats Sweet Water river. 
G, palustre, (Nutt.) 6. (Torr. and Gr.) With the precedi 
Arnica angustifolia, (Vahl.) A. fulgens, ( ) Defiles of the Wind river es from 
7,000 feet and upwards. August 13-14. 
Senecio triangularis, (Hook.) 8. (Torr. and Gr. ) With the. preceding. 
S. subnudus, (DC.) With the preceding. 
8, Fremontit, — and Gr.) n. sp. Highest parts of the mountains, to te eon of of ape 3 
snow. Aug. 1 
8. mip ifotons sae North fork of the Platte and Sweet Water. 3 os — cs 
S. lanceolatus, (Torr. and Gr.) n. sp. With the preceding. . a yes ae 
&. iydophil (Nutt.) On a lake in the Wind river mountains. Aug. 12-17. < 
8, , (Torr. and Gr.) n. sp. Sweet Water river. Aug. 21. — 
S. filifolius, (Nutt.) 8 Fremontii, (Torr. and Gr.) Lower Platte. a a - 
acalia iuberosa, (Nutt.) Upper Platte. ia 
Tetrady mia inermis, (Nutt.) Sweet Water river, from its ‘iieatiad to he high pat of the Wind 
river mountains. ee 
Cirsium-altissimum, (Spreng. ) Lower Platte. 
Crepes gine, cn ) Upper vinagene 
(stylopappus) ¢ » (Torr. and Gr.) _Defiles of the Wind river mountains. 
Aug. ‘13-14, 
Mulgedium pulchellum, (Torr. and Gr.) Black hills of the Platte: July 25 31. 
Lygodesmia juncea, (Don.) Upper Platte. a 
Troximon parviflorum, (Nutt.) Sweet Water river, near the mountains. : 
LOBELIACES. 
Lobelia spicata, (Lam.) “On the Lower Platte. June 28. 
= viphilsies, (Linn.) North fork of the Platte. Sept. 4 
CAMPANULACE®. 
Campanula rotundifolia, (Linn.) Lower Platte. 
ia amplexicaulus, (DC.) Little Blue river of the Kansas. 
ERICACE&. 
— empetriformis, (D. Don.) _ Defiles of the Wind river mountains. Aug. 13-16. 
illvides, (Hook. tee fh ee ee 
uva-ursi, (Spreng. ) On a lake in the mountains. Aug. 12-17, 
PRIMULACE. 
Dn dt (Hook.) Defiles of the Wind river mountains. — 
: , (Nutt.) Sweet Water river. Aug. 5. 
ja ciliates, (Linn.) Forks of the Platte. July 2. 
Cle meting, i) Upper North fork of the Platte. July 31. 
SCROPHULARIACEA. 
Ont ae, Ce) Pesca Water siren. Aug: 5. 
Mimulus (Benth.) Dele ofthe Wind river mountains. Aug: 13-16. _ 
Castilleja pallida, (Kunth.) ‘See Wet ser _ Aug. 2. 
