SUNFLOWER FAMILY 363 
5617. Erigeron piperianus 5619. Erigeron linearis 
20. Erig rT, 7 g a | 
5618. Erigeron bloomeri 
40. Erigeron barbellulatus Greene. Shining Daisy. Fig. 5621. 
Erigeron barbellulatus Greene, Erythea 3: 65. 1895. 
id volucre 5 m. 
and somewhat glutinous ; Sander subequal or slightly imbricate, long-acuminate, usually a 
litile thickened on the en: ys 15-35, blue or purple to white, 7-12 mm. long, 1.5-3 mm. wide; 
disk-corollas 4.4-7.0 m eo et pappus of (50) slender bristles, neg or raza with a few 
slender, pa 4 short Baie - achenes 2-nerved, sparsely strigose, or glabrous 
Rocky places at moderate to fairly high elevations in the mountains, Canadian and Hrudsonian Zones; Lassen 
County to Fresno County, California. Type locality: Silver Lake, Exanea ‘County. May-Aung. 
41. tgs ast filifolius Nutt. Thread-leaved Daisy. Fig. 5622. 
filif r. Amer. 2: 21. 1834. 
Chr reeds canescens DC. Pr i: ee "ta. 1836. 
Erigeron filifolius Nutt. Trans, Amer. Phil. Soc. IT. 7: 308. 1840. 
Perennial ed : Re and branching woody cau 1-5 dm. tall; herbage finely on 
the stem densel t the base. Leaves linear or aes ah 1-8 cm. long, grit in di 
wide, well distributed along the stem but the basal ones peas nly longer o 
4 heads usually several, the disk 5-1 mm, wide ; ra e 4-6 mm. high, beaut Sy villoas-str- 
r finely glandular or both; phyllaries firm, som arg thidkeied-Ga e back, subequa 
pabticae ouatty greenish, often ‘with darker midrib ; pitti 15-50(75), blue = Gk or ‘white, i 
"7g 
ik 
