340 COMPOSITAE 
"8 sane Say incana Nutt. San Diego Sand-aster. Fig. 5579. 
Corethrogyne incana Nutt. Trans. Amer. Phil. Soc. Hi y 290. 1840. 
Corethrogyne californica ; incana Kuntze, Rev. Gen. Pl. 1: 330. 1891. 
M. 
Corethrogyne filaginifolia var. pacifica H. Hall, Univ. Cali, Pub. Bot. ee ce 1907. 
Corethrogyne filaginifolia var. incana Canby, Bull. S.C f. Acad. 26: 14 
Plants 3-7.5 dm. high, oe branched from about (ei BP especially in ee forms, 
the stems 1 to several, erect, r less stout, leafy with short ays sent and m ros nsely so 
at the base, floccose Aes: ve ae hos stipitate-glandular on g bran Leaves 
g, 2-8 mm. wide, the upper rmost reduced, on ee, th aebite A janceolie, ani 
entire or — so, loosely tomento eads many, terminating the branches, large 
involucre 9-1 m. high, eecles § the phyllaries 1-7. -seriate, loosely Sdiicates Nas oe 
palit less than <e mm. wide, rather thin-car tilaginous and greenish toward the tip, nde 
stipi itate-glandular ; rays 20-26, lavender or violet, 12 mm. long; achenes shout 
silky-villous, the —— ee ae than the achenes. 
Bluffs and san e the Sea Upper Sonoran Zone; San Diego County, California. Type locality: 
San Diego. pierre | a eels pt ee —July. 
mmon; intergrading freely with C. filagintfolia var. virgata and C. linifolia. 
6. Corethrogyne séssilis Greene. ous Bernardino Corethrogyne. Fig. 5580. 
Corethrogyne sessilis Greene, Leaflets Bot. Obs, 2: 25 
paioneibcoks filaginifolia var. sessilis Canby, Bull. S. mises ery 262.15. 1927, 
Stems 2-6(7) dm. high, few from a woody base, leafy, densely white-tomentose. Leaves 1.5- 
m. lo -2 cm. wide, obovate to siieae. sipeneil with broad clasping base, those at the base of 
stems narrowed below and spatulate, white-tomentose, entire or a llo wly toothed at apex; 
i i i i rs of es ee 
u m 9 
wide (in pressed specimens), campanulate, the phyllaries 5-6-seriate, be larger a m. wide, 
typically glandless, closely omen ‘esti or somewhat spreading, not s shin ‘rather 
weakly cartilaginous, the exposed portion permanently tomentose except for the Sproadle angled, 
green Saptlhig ys 10-12 m sarees hee “s lav baer: ripe achenes not seen. 
pine oe and open hillsides, Upper Sonoran and Transiti pie wee San Bernardino Mountains, San 
Beraasiies County, California the t type  bocality. ern mag — ir acess 
Intergrading 2S ng tinge var. bernardina flavinifoha var. glomerata of the adjacent 
lower pee ae aie e San Berna rdino Mountains, he Fadi ica the occasional occurrence of plants 
having glandular q acute og od 
7. Corethrogyne filaginifélia (Hook. & Arn.) Nutt. Common Corethrogyne. 
Fig. 5581. 
rice A graecnies Hook. & Arn. sa Stead 146. 1833. 
ster s Hook. & Arn. 
preaiehnds pees DC. Prod.'5: a nase 
Corethrogyne filaginifolia Nutt. Trans. Amer. Phil. Soc. HH. 7: age 1840. 
Corethrogyne tomentella Torr. & Gray, Fl. N. Amer. 2: 99. 18 
ost filaginifolia var. oe Gray, Bot. Calif. * een 1876. 
Corethrogyne californica § tomentellus Kuntze, Rev. Gen. Pl. 1: 330. 1891. 
m. high, erect or ascending, few to several from the pore tl slender, often 
reddish, sparsely reat. the upper part with longer internodes, loosely white-tomentose, more or 
leas alueesecnt in age. Leaves of the lower stem 4-7 cm. long, usually early- Metta the lowest 
Q 
5580. ogyne is 
5581. Corethrogyne filaginifolia 
