SUNFLOWER FAMILY 131 
A genus of over 100 species, mainly American but found also in Africa and the Hawaiian Islands; numerous 
others occur in the United States. Type species, Corvopsis lanceolata I.. 
Perennials; comparatively tall and s 
Leaves deeply bi- to ipinnatel pre d; an enaete fertile. 
Heads politany og fen eduncles usually 2 ee long 1. C. maritima. 
Heads d, the coal ante 1- dm. 2. C. gigantea. 
Leaves entire, sometimes iviied, a few lanceolate ee ray- pis ers sterile. 9. C. lanceolata. 
Annuals; slender and usually low 
Rays yellow — (or w vhite tipped) ; disk yellow; ray-flowers fertile. 
Disk- ay-achenes dissimilar; pappus of disk-achenes of 2 conspicuous awns. 
uter geri sea linear. 
nostental as anthesis; pappus-paleae of_disk- foment 2-3 mm. long; Monterey County, 
Califor1 outh and east to the Mojave Deser 3. C. bigelovit. 
Rays Ayre? pie a at arcs pappus-paleae + disk. flowers 1 mm, wd bn Bi: ‘i ee 
an 
Outer ueshaice” bedadly ovate or deltoid; pappus-paleae of disk-flowers mostly 4-5 mm. oi 
5. C. calliopsidea. 
Disk- and ray-achenes alike; bene a small white c 
ves entire or with 1-2 linear pinnae, the Neal ee portion not broadened; annulus of disk-corollas 
earde 
pene, pubescent on both faces with clavellate or capitate hairs, corky wings eran 
ich thickened; plants of the deserts and cismontane southern California lifor 
cali 
ores . = both faces or nearly so, the corky wings thin -_ sn ae of he gs 
ast Ranges from Mount Hamilton Range to San Rafael Rang — 
Leaves pinnate -ar enna ng (sometimes entire in depauperate specimens); annulus of disk- pear 
glabrous or nearly so. 8. C. stillmanii. 
Rays purple-brown at base; disk purple-brown; ray-flowers sterile, 
Achenes wingless. 10. oria. 
Achenes winged. it: C. st ato le 
1. Coreopsis maritima (Nutt.) Hook. f. Sea-dahlia. Fig. 5189. 
Tuckermannia maritima Nutt. Trans. Amer. Phil. Soc. II. 7: 363. 1841. 
Leptosyne maritima A. Gray, Proc. Amer. Acad. 7: 358. 1868. 
Coreopsis maritima Hook. f. Bot. Mag. 102: pl. 6241. 1876. 
sa gabrome throughout, the stems fleshy-herbaceous, spreading, 3-8 dm 
a thic eaves gee deltoid i in outline, u 
bi- to sriintely Wisiecte d into n 
. high, 
m. lose i 3 s 16-20, 24 cm. 
es; achenes narrowly 
inged, ane body of the arkaae and the narrow 
wn 
B d coastal bluffs and hillsides, Upper noran Zone; ego County, California, to northern 
“Califoraia’ | Collected by Nuttall. 
Son ; — Die 
Lower mina a and adjacent islands. Type locality: San Diego, San Diego County. 
March—Jun 
5187. Bidens pilosa 
5186. Bidens vulgata 
