506 
Solidago rigida L. Sp. Pl. ii, 880 (1753), 
Much smaller than the form common in eastern Nebraska, 3 to 6 dm. high, more 
cinereous; corymb more open and heads smaller; radical and lower cauline leaves 
gradually acuminating into a winged petiole, all with a clasping but not decurrent 
base. Custer, dry land, altitude 1,700 m., August 16 (No. 769). 
Buthamia graminifolia (l..) Nutt. Gen. ii, 162 (1818); Chrysocoma graminifolia L. 
Sp. Pl. ii, 841 (1753); Solidago lanceolata LL. Mant, 114 (1767). 
The corymbs in all specimens seen in the Black Hills are unusually small and dense 
with larger heads. Hot Springs, altitude 1,100 m., August LO (No, 770). 
Aster sibiricus L. Sp. Pl. ii, 872 (1753). 
Shaded hillsides: Custer, altitude 1,700 1n., August 13; Rochford, altitude 1,700 m., 
July 12 (No. 771). All specimens are unusually low. 
Aster levis L. Sp. Pl. ii, 876 (1753). 
All the specimens are small, some very low and slender, with narrowly lanceolate 
leaves. Custer, altitude 1,700 m., August 16 (No. 772). 
Aster multiflorus incanopilosus (Lindl.) Rydb. Contr. Nat. Herb. iii, 163 (1895); 
A.ramulosus incanopilosus Lindl.; Hook. Fl. Bor, Amer. ii, 18 (1834); A. multiflorus 
commutatus Torr. & Gr. FL. ii, 124 (1841). 
Custer, altitude 1,600 m., August 16 (No. 773). 
Aster patulus Lam. Eneyel. i, 308 (1783), 
Like A. prenanthoides Muhl., but the base of the leaves is not cordate atall. Only 
a few specimens secured. Custer, altitude 1,700 m., August 13 (No. 774). 
Aster junceus Ait. Hort. Kew. iii, 204 (1789). 
See my remark on this species, this volume, p.163. The leaves are linear, 1-nerved, 
with slightly revolute margins. 
Wet meadow: Custer, altitude 1,600 m., August 15 (No. 775). 
Aster salicifolius Lam. Eney1. i, 806 (1783). 
Meadow: Custer, altitude 1,600 m,, August 15 (No. 776).- 
Aster ptarmicoides (Nees) Torr. & Gr, F1. ii, 160 (1841); Doellingeria ptarmicoides 
Nees, Gen. & Sp. Ast. 183 (1832). 
Limestone District, near Bull Springs, altitude 1,900 m., July 25 (No, 777). 
Aster falcatus Lindl.; DC. Prodr, v, 241 (1836), 
In Gray’s list, Newton & Jenney’s Report!; no specimens from this region seen by 
the writer. 
Aster paniculatus Lam. Eneycl. i, 306 (1783); A simplea Willd. ium. 887 (1809), 
In Gray’s list only.” 
Aster tanacetifolius H. 1B. K. Nov. Gen. iv, 95 (1820), 
In Gray’s list only.* 
Erigeron asper Nutt. Gen. ii, 147 (1818). 
More or less strigose all over, Generally 3 to 5 dm. high, with several heads; but 
in higher altitudes they are only 2 to 2.5 dm. high, with 1 to3 heads. Former state, 
Rochford, altitude 1,600 m., July 11; latter state, Limestone District, July 26 
(No. 778). 
EBrigeron subtrinervis Rydberg, Mem. Torr. Club, v, 328 (1894); E. glabellus mollis 
Gray, Proc. Acad, Phila, 1863, 64 (1863), not /. mollis D. Don, Prodr. Fl. Nep. 172 (1825). 
Plant hairy throughout, from grayish scabro-strigose to soft-pubescent, leafy to 
the top; leaves thin, more or less distinetly triple-nerved, the lower oblanceolate, 
petioled, the upper oblong to ovate-lanceolate, sessile and half-elasping; heads 1 to 
5, corymbose, 1.5 cm. wide and 0.75 cm. high; rays 0.75 to 1 cm. long, blue or flesh 
color; involucre hirsute. 
' Geol. Surv. Black Hills, 584 (1880). 
2 Loc, cit. 
