182 Order CAMPANULALES 
17. Aster paniculatus Lam. 
In moist soil, mostly in the eastern part of the state. Kennedy; 
Lincoln; Nebraska City; Valentine. 
18. Aster junceus Ait. Rush Aster. 
Marsh near Kennedy. 
19. Aster tradescanti L. 
Minden. 
20. Aster multiflorus Ait. 
Common on dry prairies over the entire state. Callaway; Garden 
county; Kearney; Lincoln; Loup City; Minden; Nebraska City; 
Neligh; Red Cloud; Wood River. 
21. Aster commutatus Torr. & Gray. 
On prairies in the western part of the state. Hat Creek basin; 
Wood River. 
12. Leucelene. 965. 
1. Leucelene ericoides (Torr.) Greene. 
In dry soil in the western part of the state. Alliance; Chadron; Orella; 
Perkins county. 
13. Brachyactis. 966. 
1. Brachyactis angusta (Lindl.) Britton. Rayless Aster. 
In wet, saline soil. Lincoln. 
14. Macheranthera. 956. 
Leaves pinnatifid. 1. M. tanacetifolia. 
Leaves incised dentate, 2. M. sessiliflora. 
1. Macheranthera tanacetifolia (H. B. K.) Nees. 
In dry soil in the western part of the state. Crawford. 
2. Macheranthera sessiliflora (Nutt.) Greene. 
In dry soil in the western part of the state. Chadron; Crawford; 
Hat Creek basin; Kennedy; Merriman; Valentine. 
15. Erigeron. 966. 
Roots perennial, thick and woody. 
Lower leaves lanceolate, oblong or spatulate. 
Rays 100-150, violet or purple; stem leaves not linear. 
Upper leaves much smaller than the lower, linear-lanceolate. 
1. E. asper. 
Upper leaves not much smaller than the lower, ovate-lanceo- 
ate. 2. E. subtrinervis. 
Rays 40-60, mostly white; stem leaves linear. 3. E. czspitosus. 
Leaves all linear; rays 40-80. 
Hispid or hirsute with spreading bristly hairs. 
Rays white. 4. E. pumilus. 
Rays violet or blue, rarely white. 5. E. concinnus. 
Pubescence appressed, silvery. 6. E. canus. 
Roots fibrous, not thick or woody; annual or biennial. 
Rays 100-150. 
Pappus simple, rays pink; plant stoloniferous. 7. E. philadelphicus. 
Pappus double, the outer very short; plant not stoloniferous. 
8. E. divergens. 
Rays less numerous. 
Low, 1-3 dm. high; leaves entire, linear-spatulate. 
9. E. bellidiastrum. 
