2 12 



Wyoining Experiment Station. 



Castilleia breviflora, Gray, Stinkingwater, July. 

 Gilia pungens, Benth. Green River, June. 

 Gilia iberidifolia, Benth. Green River September. 

 Asclepias brachystephana, Torr. Green River, June. 

 Polygonum imbricatum, Nutt. Stinkingwater, July. 

 Oxytheca dendroidea, Nutt. Big Sandy, June. 

 Atriplex endolepis, Watson, Stinkingwater, July. 

 Grayia polygaloides, H. & A. Green River, June. 

 Carex aquatilis, Wahl. Yellowstone, August. 

 Carex rigida. Good. Yellowstone, August. 

 Carex Hoodii, Boot. Wind River, July. 

 Carex tenuirostris, Olney, Yellowstone, July. 

 Isoetes Bolanderi. Engelni. Yellowstone, August. 



FROM aRAY'S REPORT ON THE PLANTS OF THE JENNEY 



SURVEY OF THE BLACK HILLS, 1875.* 

 Clematis alpina occidentals, Gray. Cornus Canadensis, L. 



Thalictrum dioicum, L. 

 Aconitum Fischeri, Reichenb. 

 I.esquerella ( Vesicaria) alpina, Nutt. 

 Viola delphinifolia, Nutt. 

 Helianthemum Canadense, Michx. 

 Polygala alba, Nutt. 

 Psor.'.lea esculenta, Pursh. 

 Astragalus gracilis, Nutt. 

 Astragalus simplicifolius. Gray. 

 Lathyrus ochroleucus, Hook. 

 Sophora sericea, Nutt. 

 Geum rivale, L. 

 Rubus triflorus, Richard. 

 CEnothera pumila, L. 

 Thaspium trifoliatum. Gray. 

 Cymopterus glomeratus, Nutt. 



Aster falcatus, Lindl. 

 Solidago speciosa angustata,T.& G. 

 Echinacea angustifolia, DC. 

 Helianthus strumosus, L. 

 Helianthus petiolaris, Nutt. 

 Pentstemon grandiflorus, Nutt. 

 Pentstemon albidus, Nutt. 

 Verbena bipinnatifida, Nutt. 

 Lophanthus anisatus, Benth. 

 Mertensiaoblongifolia (Nutt.) Don. 

 Eriogonum multiceps, Nees. 

 Lilium Philadelphicum, L. 

 Prosartes lanuginosa, Don. 

 Pellsea atropurpurea, Link. 

 Onoclea sensibilis, L. 



* Although the Black Hills are largely in Dakota, yet as the route of the party to and from 

 them lay in this state, and as the flora of the Hills may reasonably be supposed to be approxim- 

 ately the same in both states, these names are included here. 



