SUNFLOWER FAMILY 235 
pale yellow, — bie ar with purple, 1.5-2 mm. long, as short as or shorter than the pappus- 
pale ae; disk-flowers 5-35, shorter than the pappus- pi the teeth of the disk-corollas minute, 
2-3- tooth oh acPabes brown, about 4 mm. high, the pappus-paleae as long as to half as long as 
the Pen: 
ssland or with sagebru Upper Sonoran and Gogg sara Zones; central b Seach and 
sauna siiaieds honed ' Utah and Nevata ya in whe Pacific State mountains of Los Angeles County, 
California. Type locality: The Dalles of the Columbia River. Sst Me ig Pome April-June. 
58. TRICHOPTILIUM A. Gray in Torr. Bot. Mex. Bound. 97. 1859. 
ow floccose plants much branes from the base, annuals or persisting more than one 
season. Leaves alternate or the lowest subopposite, broadly oblanceolate or spatulate, the 
margins incised-dentate, narrowed below to a long petiolar base. Heads on long, slender, 
naked peduncles much surpassing the leaves. Phyllaries in 2 nearly equal series. Recep- 
tacle eae: k ers perfect, fertile, the ray-flowers wanting. Corolla-tube 
short, the throat longer, expan fing to the spreading lobes. Anthers oblong-lanceolate, 
minutely sagittate at base. Style-branches linear, subtruncate at apex. Achenes obpyrami- 
dal, the surface white ith minute papillae, clothed with ascending hirsute hairs. 
e 
Pappus-paleae broad, minutely scaberulous and dissected above into many bristles of un- 
equal length which are as long as or longer than the length of the scale. [From the Greek 
Nga meaning hair and feather, in reference to the pappus-paleae. 
onotypic genus of southwestern United States. 
5384 
5382. Pseudobahia heermannii 5384. Syntrichopappus lemmonii 
5383. Syntrichopappus fremontii 5385. Rigiopappus pene 
