SUNFLOWER FAMILY 349 
British Columbia and Alberta to Washington, central Idaho, western Montana, and northwestern Wyoming. Type 
locality: srg Creek, Montana. (June) July-Aug. 
Typical E. egediond rvis, characterized by its algal and denser pubescence, occurs from Wyoming, Utah, 
d Naw Mesicltc estern Nebraska and South Dakot 
7. Erigeron philadélphicus L. Philadelphia Daisy. Fig. 5588. 
Saale philadelphicus Ev Sp. Pl. 863. 1753. 
n purpureus Ait. Hort. Kew: 3: 186. sie: 
apis purpureus var. sttnnat Nutt. Trans. Amer. Phil. Soc. II. 7: 307. 1840. 
ssenia philadelphica L 1, Amer. Midl. Nat. 5:59. 191 
é. 
Erigeron phi ladelphicus £. ce Farwell, op. cit. 11: 70. "1928. 
Biennial, or short-lived perennial or eek apparent, che mostly fibrous-rooted, commonly 
2-7 dm. tall; herbage long-spreading-hair subglabr gue Basal leaves mostly ob- 
eect toothed 0 r lobed to Senaetinbes Sotre. geliota dls re cm. long and 3 cm. wide; cauline 
leaves becoming sessile mostly ample and more or less clasping, Aaa so in smaller specimens; 
head 1 to baie’ invo om ucre 6 mm. high, the phyllaries subequal, light greenish or brownish, the 
brov idvein more or les Sina with flattened hairs, or nearly glabrous, the broad hyaline mar- 
a pectslanetty wit ptr: disk Py Lb m. Pee rays 150-400, deep pink to white, 0.2-0.6 mm. 
wide, 5-10 mm. long; disk-corolla 2.8. 3. ong; pile appendages obtuse or acutish, about 
0.1 mm. long; pappus of 20-30 fcaatie bistles acta 2-nerved. 
In a wide variety of habitats. most commonly in moist, often also ie turbed soil; throughout the United States 
and most of Canada. She locality: Canada. Mostly May fils or sometimes until fall. Highly variable in size 
and luxuriance, according to the habitat. 
5584. Erig: 5586. Erigeron speciosus : 
5585. Erigeron coulteri 5587. Erigeron subtrinervis 
alice: 
