266 COMPOSITE FAMILY 



with or without rays. — The most common species in loose 

 soil of open pine forests. 



5. S. scorzonella Greene. Like S. lugens but the stems 

 from horizontal rootstocks and the leaves more clustered at base, 

 these oblanceolate or narrower and sharply toothed, woolly. — 

 Meadow borders near Eagle Peak and Lake Tenaya. Also 

 (in a rayless form) on the Chilnualna Trail and in Tuolumne 

 Meadows. S. covillei Greene, is a form nearly glabrous from 

 the beginning. 6". whippleanus Gray, if found may be known 

 by its large size (3 or 4 ft. high, heads 34 i n - high) and 

 deeply toothed leaves. 



6. S. triangularis Hook. A leafy glabrous perennial, 2 to 

 6 ft. high. Leaves thin, triangular-lanceolate, acute, the base 

 broad (except upper leaves), 2 to 8 in. long, 54 to 3 in. broad, 

 mostly toothed, on short petioles. Heads many, small, with 

 yellow rays about *4 m - l° n g- — Common along streams and in 

 bogs. 



7. S. serra var. integriusculus Coville. Similar to no. 6 

 but leaves less than Y\ in. wide and all tapering to the base; 

 heads smaller. — Tulare Co. to Oregon but not yet found in 

 our district. 



8. S. clarkianus Gray. Erect, leafy to the top, 3 or 4 ft. 

 high, glabrous. Stem-leaves lanceolate, sessile, 4 to 7 in. long, 

 sharply lobed. Heads many, short-peduncled, the yellow rays 

 nearly y 2 in. long. 



This rare Senecio has been found only along the Glacier 

 Point Road and near Wawona in what was once called Clark's 

 meadow. It was first described by Dr. Asa Gray, who adds 

 the following to his description: "In Clark's meadow, below 

 the Mariposa Big-tree Grove, Bolander. This striking, tall 

 species may well bear the name of the valued guide and 

 mountaineer, Galen Clark, in whose meadow it grows, and 

 who has done so much to make the Mariposa Grove of 

 Sequoia gigantea accessible." 



9. S. fremontii var. occidentalis Gray. A glabrous peren- 

 nial with many leafy stems 1 ft. or less long. Leaves oblong 

 to roundish, with narrow base, obtuse, toothed, z /2 to V/2 in. 

 long. Heads numerous, J^ in. high, with showy rays. — Rocky 

 places near timber-line. 



10. S. douglasii DC. A white-woolly leafy shrub, 3 to 5 

 ft. high. Leaves with 3 to 9 linear lobes or the uppermost 

 entire. Heads large, with about 13 rays y 2 in. or so long. — 

 Foothills and warm slopes to 5000 ft. alt. 



