SUNFLOWER FAMILY 597 
hairs up to 10 mm. long, conspicuously so on midrib and margins, ee glabrous; et ie 
open, the heads mostly few on peduncles 3-5 cm. long, the flow yellow; involucre to 
p 
high, the phyllaries with dark geadrib, lon, often ack based, setose hairs and sparsely stellate 
ubescent, not glandular ; achenes 3. 5 mm. lon ng, exceeded by white or sordid-white pappus 
Cliffs and rocky bluffs, Humid niet an Columbia River poe Skamania County, Waikinwtca cad 
Malone County, Oregon. Type locality : Columbia —— near The gp ronotei> July 
tinct local form penognies ble by its unusually setose hairs, suggesting Pelatinaaiin with the scoulert- 
ynog ous rioleal complex on one hand and with the ppc pee penne atum ccanpiex = the other. The habit and the 
eek veduced and more numerous stem-leaves indicate relationship to the latter gro 
5. Hieracium argutum Nutt. Southern California Hawkweed. Fig. 6039. 
Hieracium argutum Nutt. Trans. Amer. Phil. Soc. II. 7: 447. 1841. 
Perennial, 3-7 dm. high from a branched woody caudex, the stems beset with long setose hairs 
below, jae lacking or r nearly so on the upper stems. Lower leaves often densely clustered below, 
6033. tartari cium scouleri 
6034. os a ee —. cynoglossoides 
