First Report on the Flora of Wyoming. 1 01 



Physocarpus Torreyi, Maxim. Neillia Torreyi, Watson, Proc. Am. 

 Acad, xi, 1.36. 



Common in the hills and mountains. 



Table Mountain, June 2, 1894 (No. 116); Platte River, July 14, 



1894 (No. 490). 



-Rubus Nutkanus, Mocino, Lindl. Bot. Reg. t. 1368 (1830). 

 Not common in the parts of the state collected. 

 Teton Mountains, August 21, 1894, and Centennial Hills, 

 August 18, 1895 (No. 1676). Thimble-berry. 

 Rubus strigosus, Michx. Fl. i. 297 (1803). 



• The Red Raspberry, growing in the greatest profusion on rocky 

 and partially wooded hillsides, especially on ground once burned 

 over. Immensely productive. 



Union Peak, August 13, 1894 (No. 997). Cummins, July 31 



1895 (No. 1476). 



Purshia tridentata,, D C. Trans. Linn. Soc. 12, 157. 



A scragly prostrate shrub, common on low hilltops and hillsides. 

 Pole Creek, June 2, 1894 (No. 82); Wallace Creek, July 29, 

 1894 (No. 676); Centennial Valley, June 9, 1895 (No. 1270), 



■Cercocarpus parvifolius, H. & A. Bot. Beechey, 337 (1841). 



This may be called the most characteristic shrub of stony foot- 

 hills. 



Laramie Hills, June 15, 1894 (No. 237); Platte Hills. July 14, 



1894 (No. 462). Mountain Mahogany. 

 •Geum macrophyllura, Willd. Enum. i, 557 (1809). 



Mr. Rydberg* suggests the probability that this and the following 

 are varieties of the same species. The specimens before me, how- 

 ever, seem perfectly distinct. Near streams. 



Bacon Creek, August 15, 1894 (No. 920); Cummins, July 30, 



1895 (No. 1576). 



Geum strictum, Ait. Hort. Kew. ii, 217 (1789). 

 Same habitat as the preceding. 



Sybille Creek, July 8, 1894 (No. 407); Cummins, July 30, 1895 

 (No. 1517). 

 •Geum triflorum, Pursh, Fl. 736 (1814). 



This fine species is common in wet valleys at 7,000-9,000 ft. Our 

 manuals fail to note that the style is jointed in the middle in young 



*Contrib. Natl. Herb, iii, 3, 157 (1895). 



