STANDLEY FLORA OF GLACIER PARK. 429 



B.C. and Wash, to Mont, and Alta.— Plants matted, 15 to 30 cm. high; leaves oblanceo- 

 ate or obovate, 2 to 5 cm. long, obtuse or acutish, closely white-woolly beneath; 

 heads 8 to 10 mm. high, the bracts very acute. ^ 



6. Antennaria rosea (D. C. Eaton) Greene. Frequent at low altitudes, in gravelly 

 meadows, on open rocky slopes, in aspen woods, or in low thickets. Yukon to Calif., 

 Colo., and S. Dak.— Plants slender, 15 to 40 cm. high, loosely woolly; leaves oblanceo- 

 late 1.5 to 3 cm. long, obtuse or acute; heads few, about 5 mm. high, loosely or densely 

 clustered, the bracts obtuse, with pale or deep pink tips. 



The form with deep pink bracts is a handsome plant. 



7. Antennaria corymbosa E-. Nels. Meadows about the east entrance, Umbach. 

 Oreg. to Mont, and Colo.— Plants slender, 20 to 30 cm. high; basal leaves 1.5 to 3 cm. 

 long, acute; heads few, 4 to 5 mm. high; bracts of the pistillate heads obtuse. 



8. Antennaria arida E. Nels. Gravelly meadows below Lake McDermott, and dry 

 rocky slopes of Altyn Peak. Idaho and Mont, to N. Mex. and Utah.— Plants 10 to 15 

 cm. high; leaves spatulate, 1 to 1.5 cm. long, obtuse, closely woolly; heads 6 to 8 

 mm. high. 



9. Antennaria microphylla Rydb. Low meadow at St. Mary, abundant; dry gravel 

 bank at Belton, frequent. Yukon to Nebr. and N. Mex.— Plants slender, 15 to 30 cm. 

 high; leaves oblanceolate, obtuse or acutish, with closely appressed pubescence; 

 heads few, densely clustered, 5 to 6 mm. high. 



10. Antennaria chlorantha CJreene. Meadows about Iceberg Lake and Grinnell 

 Glacier. B. C. and Mont.— Plants 5 to 15 cm. high; leaves oblanceolate, 1.5 to 2.5 

 cm. long, acutish, at first loosely woolly but becoming glabrous and green; heads 

 densely clustered, 5 to 7 mm. high, the bracts dark green. 



11 . Antennaria pulvinata Greene. Frequent above timber line, on open rocky slopes 

 or in moist meadows. Alta., B. C, and Mont.— Plants matted, 5 to 10 cm. high; 

 leaves 1 to 1.5 cm. long, rounded at the apex, loosely woolly; heads few, densely 

 clustered, the bracts dark green. 



12. Antennaria media Greene. Common above timber line, in meadows or on moist 

 rocky slopes. B. C. to Calif., Colo., and Alta.— Plants matted, 5 to 12 cm. high; leaves 

 obtuse, 1 to 2 cm. long, loosely woolly; heads few, densely clustered; inner bracts of 

 the pistillate heads acute. 



13. Antennaria flavescens Rydb. Collected on Mount Henry by Umbach. Wash, 

 to Mont, and Colo.— Plants matted, 10 cm. high; leaves about 1 cm. long; heads 

 densely clustered, 4 to 5 mm. high; bracts very obtuse. 



14. Antennaria oxyphylla Greene. Moist cliffs near Gunsight Pass, and open banks 

 near Lake McDermott. Idaho to Nebr. and Wyo.— Plants 20 to 40 cm. high; leaves 

 spatulate-obovate, 1.5 to 3 cm. long; heads 6 to 7 mm. high. 



15. Antennaria sedoides Greene. High rock slides at Iceberg Lake. B.C. to Man. 

 and Colo.— Plants loosely matted, about 10 cm. high; leaves spatulate, about 1 cm. 

 long; heads 5 to 6 mm. high; lower portion of the bracts greenish or brownish. 



16. Antennaria umbrinella Rydb. Open slopes at Sun Camp and Cracker Lake; 

 also collected at Duck Lake by Weller. B. C. to Colo.— Plants matted, 7 to 12 cm. 

 high; leaves spatulate, 1 to 1.5 cm. long; heads few, 5 mm. high, densely clustered. 



10. ANAPHALIS DC. 



1. Anaphalis margaritacea (L.) Benth. & Hook. Pearly everlasting. Frequent 

 at low altitudes, on dry banks or in woods, swamps, or thickets. Widely distributed 

 in N. Amer.; also in Asia.— Perennial with slender rootstocks, 20 to 40 cm. high; 

 leaves alternate, linear to oblong, 3 to 8 cm. long, entire, white-woolly, sometimes 

 becoming green on the upper surface; heads 6 to 7 mm. high, in a loose or dense 

 cluster; bracts white and papery; flowers yellow; pappus of slender bristles. 



