192 Order CAMPANULALES 
Corolla yellow; heads 12-25 mm. broad; perennials. 3. H. filifolius. 
1. Hymenopappus corymbosus T. & G. 
Nebraska, according to Britton’s Manual. 
2. Hymenopappus tenuifolius Pursh. 
Common in sandy soil. Anselmo; Dismal River; Foster; Franklin; 
Phelps county; Valentine. 
3. Hymenopappus filifolius Hook. 
Common in dry sandy prairies. Broken Bow; Box Butte county; 
Deuel county; Cedar county; Merriman; Mullen; Pine Ridge; Sioux 
county; Thedford. 
2. Polypteris (Othake). 1007. 
1. Polypteris hookeriana (T. & G.) A. Gray. 
On dry prairies in the western part of the state. Hat Creek basin; 
Lincoln; Royal; Whitney. 
3. Picradeniopsis. 1008. 
1. Picradeniopsis oppositifolia (Nutt.) Rydb. 
Whitney. 
4, Tetraneuris (Picradenia). 1008. 
Leaves with narrowly linear blades, 1-2 mm. wide; involucre 10-12 
mm. wide. 1. T. stenophylla. 
Leaves linear or linear-lanceolate, 2-6 mm. wide; involucre 15-35 
mm. wide. 2. T. acaulis. 
1. Tetraneuris stenophylla Rydb. 
In dry soil in the western part of the state. Franklin. 
2. Tetraneuris acaulis (Nutt.) Greene. 
In dry soil in the western part of the state. Alliance; Belmont; 
Banner county; Harrison; Pine Ridge; Scotts Bluff; Sioux county. 
5. Helenium. 1010. 
1. Helenium autumnale L. False Sunflower, Sneeze-weed. 
In wet meadows and along streams and ditches. Bellevue; Dismal 
River; Ft. Kearney; Newark; Plainview; Plattsmouth; Scotts Bluff 
county; Valentine. 
6. Gaillardia. 1011. 
1. Gaillardia pulchella Foug. 
In dry soil in the western part of the state. Franklin; Lincoln; Red 
Cloud; Riverton. 
7. Boebera (Dysodia). 1012. 
1. Boebera papposa (Vent.) Rydb. Stink-weed; Fetid Marigold. 
Common all over the state. Brock; Franklin; Grand Rapids; Lin- 
coln; Minden; Nebraska City; Plainview; Red Cloud; Scotts Bluff 
county; Valentine; Wymore. 
8. Pectis. 1012. 
1. Pectis angustifolia Torr. 
e dry soil in the western part of the state. Deuel county; Ft. Nio- 
rara. 
