( 119°) 
70. Hieracium 1 ourn. HAWKWEED. 
Involucre oo-seriate, imbricate. Akenes 
terete, with a thin, crenulated ring on the 
apex, pappus l-seriate, capillary.— 1. 
1. H. avprrnorum Hook. Involucre o- 
flowered; akenes linear; pappus sordid; flowers 
white.—Saucelito. Summer. 
71, Troximon Nutt. 
Involucre imbricate. Akenes linear. Apex 
contracted. Pappus o-seriate. Bristles silky, 
not deciduous in a ring. 
1. T. aparaiomwsEs Less. Beak of the akene 
about the length of body; flowers yellow.—72¢. 
San Francisco. Summer. 
2. T. numILE Gray. Beak of the akene sev- 
eral times the length of body; pappus as long 
as the beak; flowers yellow.—2f. Common, 
Summer. 
3. T. LactnratuM Gray. Beak of the akene 
several times the length of the body; pappus 
much shorter than the beak; leaves laciniate— 
when more deeply parted and pinnatifid, the 
lobes linear; flowers yellow.—2¢. Marin 
County. Summer. 
4, T. GRANDIFLorUM Gray. Beak of the 
akene several times the length of body; pappus 
much shorter than the beak; leaves runcinate 
