496 
type specimens. It also disagrees in several points with the description of Professor 
(ireene, especially in the size of the flowers. Perhaps all the Opulasters of North 
America are but one very variable species. 
Hills near Harneys Peak, altitude 2,100 m., July 21, August 17 (No, 654), 
Rubus parviflorus Nutt. Gen. i, 308 (1818). 
Not uncommon: Elk Canyon, altitude 1,300 m., June 29; Lead City, altitude 
1,600 m., July 4 (No. 655). 
Rubus americanus (Pers.) Britton, Mem. Torr. Club, v, 185 (1894); Rubus sacatilis 
americanus Pers. Syn. i; 52 (1807). 
Canyon north of Runkels, altitude 1,300 m., June 30; Lead City, altitude 1,600 m., 
July 4 (No. 656). 
Rubus strigosus Mx. I'l. i, 297 (1803). 
Little Elk Canyon, altitude 1,200 m., June 28; Elk Canyon, altitude 1,800 m.. June 
29; Rochford, altitude 1,700 m., July 12 (No. 657). 
Cercocarpus parvifolius Nutt.; Hook. & Arn. Bot. Beech. Suppl. 337 (1841). 
Very rare: Hot Springs, altitude 1,100 m., June 13 (No. 658). 
Geum strictum Ait. Hort. Kew. ii, 217 (1789). 
Lead City, altitude 1,600 m., July 6 (No. 659). 
Geum macrophyllum Willd. Enum. 1,557 (1809). 
I think this would better be regarded as a variety of the preceding. Rapid City, 
altitude 1,050 m., June 25; Rochford, altitude 1,600 m., July 11 (Ne. 1206). 
Geum ciliatum Pursh, FI. i, 352 (1814). * 
This name precedes G,. triflorum in Pursh’s Flora.) Common: Custer, altitude 
1,700 m., May 28; Elk Canyon, altitude 1,200 m., June 29; Lead City altitude 
1,600 m., July 4 (No. 660.) 
FPragaria virginiana Duchesne, Hist. Nat. frais. 204 (1766). 
A low, small-leafed form, collected early in the spring. Custer, altitude 1,650 m., 
June 4 (No. 661). 
Pragaria vesca americana Porter, Bull. Torr. Club, xvii, 15 (1890) 
Custer, altitude 1,700 m., June 6; Hot Springs, altitude 1,100 m., June 14; Rapid 
City, altitude 1,000 m., June 25; in fruit, Custer, August 20 (No. 662), 
A slender form with very thin, cuneate, narrow leaves, 3 times as long as broad, 
toothed towards the apex, the peduncles slender, about the length of the leaves, was 
collected near Sylvan Lake, altitude 1,900 m., July 18 (No. 663). 
Potentilla arguta Pursh, Il. ii, 736 (1814). 
The tlowers appear to be always white, but they turn yellow in drying. Hillis: 
Hermosa, altitude 1,100 m., June 22; Lead City, altitude 1,700 m., July 6 (No. 664). 
Potentilla glandulosa Lindl. Bot. Neg. xix, t. 1583 (1833), 
In this the flowers are light yellow, the cyme more diffuse than usual. Hills: 
Rochford, altitude 1,700 m., July 12 (No. 665). 
Potentilla monspeliensis L. Sp. Pl. i, 499 (1753). 
This includes 2, norvegica L. described lower on the same page. Hot Springs, 
altitude 1,050 m., June 14; Hermosa, June 22; Rapid City, altitude 1,000 m., June 25; 
Elk Canyon, altitude 1,200 m., June 29; Rochford, altitude 1,600 m., July 11. The 
specimens from the latter place are very slender and approach 7, rivalis (No. 666). 
Potentilla pennsylvanica strigosa Pursh, F]. i, 356 (1814). 
Common: Hermosa, altitude 1,050 m., June 23; Rochford, altitude 1,700 m., July 11; 
Custer, altitude 1,625 m., August 13 (No. 667). 
Potentilla hippiana Lehm. Nov. Stirp. Pug. ii, 7 (1830). 
Rochford, altitude 1,600 m., July 12; Custer, altitude 1,650 m., July 18 (No. 668), 
These specimens seem to be typical, agreeing fully with the description and plate in 
'Pursh, FL. ii, 736. 
