164 PITTONIA. 
or acuminate, pubescent: rays 7-nerved, truncate and 
3-dentate: disk-corollas somewhat granular-puberulent, and 
with some fine bristly hairs on the teeth outside: achenes 
glabrous except a few scattered hairs at summit; pappus 
fine, white, barbellulate. 
At 6,000 to 7,000 feet on slopes of Mt. Steele of the 
Olympic Mountains, Washington, Aug., 1895, C. V. Piper, 
n. 2002. Also at timber line on Mt. Hood, Oregon, Dr. C. 
H. Merriam, 1896, in U. S. Herbarium. Somewhat related 
to the Alaskan A. latifolia, though of different habit, and 
with excellent characters over and above the reduced size of 
the plant. 
A. LONCHOPHYLLA. About a foot high, with 3 or 4 pairs 
of small lanceolate leaves much shorter than the internodes, 
and about 3 short-peduncled heads: radical leaves elliptic- 
lanceolate, slender-petiolate, strongly 3-nerved; cauline 
lanceolate, sessile, denticulate, with only the midnerve 
prominent, all, as well as the stem, sparingly hirsute and 
somewhat glandular: small involucres turbinate, their 
bracts linear-lanceolate,acuminate, pubescent and glandular : 
rays light-yellow, 5 to 7-nerved, 3-dentate disk-corollas with 
short hirsute tube and a longer subcylindric glabrous 
throat, the teeth somewhat bristly-hairy: achenes hirsutu- 
lous; pappuse fine, white, barbellulate. 
On the Athabasca River, 25 June, 1898, W. Spread- 
borough ; n. 19,647 of Canadian Geol. Survey, communi- 
cated by Mr. Macoun. 
À. TEUCRIIFOLIA. Stems apparently tufted,6 to 10 inches 
high, its leaves in about 3 pairs, the solitary head long- 
peduncled: root-leaves from ovate and 1 inch long to 
elliptic-lanceolate and 23 inches, none as long as their 
slender petioles, evenly serrate-toothed; the cauline all 
