CATALOGUE OF PLANTS. 
a 
Crass IL—EXOGENOUS PLANTS, 
RANUNCULACE. 
Clematis Virginiana, (Linn. Valley of the Platte. June, July. 
Ranunculus sceleratus, (Linn.) Valley of the Sweet Water river. August 18-20. 
R. eymbalaria, (Pursh.) Upper Platte. July 31, August. 
coerulea, (Torr.) Wind river mountains. August 13-16. 
Actea rubra, (Bigel. ) Upper Platte. August 26-31. 
i latte. 
Saiaerinns Canadense, (Linn.) Leaves only. “On the Platte. 
“BERBERIDACEZ. 
Berberis aquifolium, (Torr. and Gr.) Wind river mountains. August 13-16. 
-PAPAVERACE. 
Argemone Mexicana 6 albiflora, ati Forks of the Platte. July 2. 
_ORUCIFERE.- 
Nasturtium palustre, (De. Re ‘Black hills of the Platte. yr 26, August. 
cheiranthoides, (Linn.) Black hills. July 23 
July: 
E. asperum, (Nutt.) South fork of the Platte A, z 
P ( Endl Gen. p. 876,) integrifolium, (Nutt. ) High Seek Oe 
Platte. September 4. Var. with longer pods. _-With the preceding. ageriioss - 
rors See ook. ) ee North fork of the Platte, above the Red Buttes, 
July 30 
Braya, n.-sp- Wind river tains, the limits £ perpet ] August 15, t 
Peles radeck, (Linn,) On the Platte. June 29. 2 
CAPPARIDACE 2. ses sia 
Cleome integrifolia, (Tort. and Gr.) From the Lower Platte nets to the mountains. Tone 
July 2, August 21. 
Polanisia trachysperma, 8 (Torr. and Gr.) Black hills of the Plate. , July 23. 
POLYGALACE. ans 12 
Polygala alba, (Nutt. ) P. Beyrichii, (Torr. and Gr-) ‘Forks of the Platte. “hy aja - 
DROSERACEE. ‘so = 
Parnassia fimbriata, (Banks.) LittleSandy creek, defiles of the Wind river mountains,..Augy. Ss. 
CARYOPHYLLACES. a) a 
Arenavia congesta, (Natt) Sige rote. Se md rir mornin ia ae 
8. acaulis, (Lian.) ‘Wind sve mount, he ints of perpetual snow, sie 
¥ 
