509 
Hills: Limestone District near Sips Spring, altitude 1,900 m., July 27 (No. 807). 
Balsamorhiza sagittata (Pursh) Nutt. Trans. Amer. Phil. Soc. vii, 350 (1841); 
Buphthalmum sagittatum Pursh, V1. ii, 564 (1814), 
It was collected in fruit only on hills near Sips Spring, altitude 1,900 m., July 27 
(No. 808). 
Bidens levis (L.) B.S. P. Cat. Pl. N.Y. 20 (1888); Helianthus levis L. Sp. Pl. ii, 
906 (1753). 
All the specimens collected were low, with short rays. Pringle, altitude 1,500 m., 
August 6 (No. 809). Some were very slender; leaves about 2 to 8 em. long, not con- 
nate; heads about 6 mm, long, few-flowered; sparingly strigose (No, 810), 
Hymenopappus filifolius Hook. Fl. Bor. Amer, i, 317 (1834). 
Hot Springs, altitude 1,100 m., June 15 and August 3 (No. 811). 
Ptilepida acaulis (Pursh) Britton, Mem. Torr, Club, v, 339 (1894); Gaillardia 
acaulis Pursh, F 1. ii, 743 (1814); -fetinella acaulis Nutt. Gen. ii, 178 (1818). 
Dry hills: Hot Springs, altitude 1,100 in., June 12; Lead City, altitude 1,800 m., 
July 4 (No. 812), 
Gaillardia aristata Pursh, I'l. ii, 578 (1814). 
Prairies: Rochford, altifude 1,600 m., July 12; Limestone District, altitude 1,900m.,, 
July 26 (No. 813). 
Dysodia papposa (Vent.) Hitch. Trans. St. Louis Acad. vy, 508 (1891); Tagetes 
papposa Vent. Hort. Cels. t. 56 (1800), 
Waste places: Hot Springs, altitude 1,050 m., August 8 (No, 814), 
Anthemis cotula L. Sp. Pl. ii, 894 (1753). 
Hot Springs, altitude 1,050 m., August 2 (No. 815). 
Achillea millefolium L. Sp. Pl. ii, 899 (1753). 
Elk Canyon, altitude 1,200 m., June 29; Lead City, altitude 1,600 m., July 4; Hot 
Springs, altitude 1,100 m., August 2 (No, 816). 
Artemisia canadensis Mx. I'l. ii, 128 (1803). 
Dry places: Custer, altitude 1,700 m., August 15 (No. 817). 
Artemisia dracunculoides Pursh, FI. ii, 742 (i814). 
Custer, altitude 1,700 m., August 15 (No. 818), 
Artemisia frigida Willd. Sp. Pl. iii, 1838 (1801), 
Dry places: Custer, altitude 1,700 m., August 19 (No. 819). 
Artemisia gnaphalodes Nutt. Gen, ii, 145 (1818). 
Custer, altitude 1,700 m., August 19 (No. 820). 
Petasites sagittata (Pursh) Gray, Bot, Cal. i, 407 (1876); Tussilago sagittata 
Pursh, FI. ii, 531 (1814). 
A large patch found on Rapid Creek, above Rochford, altitude 1,650 m., July 12, 
but only three specimens in fruit secured (No. 821). 
Arnica cordifolia Hook. PF], Bor. Amer. i, 331 (1834). 
On shaded hillsides: Elk Canyon, altitude 1,200 m., July 29; Lead City, altitude 
1,600 m., July 4; Rochford, altitude 1,700 1n., Jnty 12 (No, 822). 
Arnica alpina (L.) Olin, Monogr. Arn. Ups. 1799; Arnica montana alpina L. Sp. 
Pl. ii, 884 (1758). 
In the Black Hills this is generally 3-cephalous, and 8 to5 dm. high. Little Elk 
Canyon, altitude 1,100 n., July 28; Custer, altitude, 1,800 m., July 16 (No. 823), 
Senecio rapifolius Nutt. Trans. Amer. Phil. Soc. vii, 409 (1841). 
The specimens are unusually large, some being 6 dm. high. In shaded places 
among rocks: Custer, altitude 1,700 m., August 12 (No. 824). 
Senecio lugens Richards. App. Frankl. Journ, 747 (1823). 
In the specimens collected the leaves are unusually narrow and nearly entire. 
