196 COMPOSITAE 
e peduncles 2-5 cm. long; involucres 5-6 mm. high, a little spree than long; ray- iran 
ne 5, the ligules greenish yellow, 5.5-8 m eee oval, shallowly crenate or crenate-dentate at 
apex; disk-flowers 10-20; achenes straw aad about 4. mm : es nearly linear, panes 
striate- eae eatin 
In sand, desert i weet and dunes, aie Sonoran Zone; southeastern Mojave Desert in San Bernardino 
Coty, Caliorain: south through the ‘Colorado Desert to Lower Califoritia ot want to sbntkerd Arizona and 
djacent Sonora. Type locality: California. Collected by Coulter. March-Oct. Laxflower 
2. Baileya pleniradiata a & Gray. Woolly Marigold. Fig. 5316. 
poueietagn eer aee Harv. & Gray ex A. Gray, m. Amer. Acad. eee = viet 
ee rape Cont: a 4 Nat. Herb. 4 
Adllevs nervosa M. E. Jones, Con . Bot. No. 8: 34. 
Annuals or winter a ae ee from the base and above, 2-5 dm. high, more or les 
se, more ahi lennoiy a: so about the upper stems. Leaves spatulate to oblanceolate in out- 
é ; ie pee A igs gece 
onger th la 
and often entire ; heads solitary at the ends of the branches, the a 3-10 cm. long; involucre 
hemispheric, 6-8 mm. high, 4 mm. broad; phyllaries many, linea y-flowers bright yellow, 
20-40, the ligules 8-10 mm. long, oval or obovate, crenate at the cago or * shale wly 3-4-toothed ; 
achenes st traw-colored or eet chalky, 4-5-ribbed with striae in the intervals, smooth or 
occasionally with a few glandular dots 
— on desert slopes and m Sonoran Zones; Death Valley ai and the eoiats and yee ae 
rado Deserts, San Bernardino County, California; southern Nevada and Utah to Arizona, exico, and w 
a and south to northern Mexico. Type ity: California. Collected by Coulter. Feb. —Nov. miner “allied 
to multir t 
# ae multiradiata Harv. & Gray. Wild Marigold. Fig. 5317. 
Harv. & Gray ex Torr. in Emory, yy lio ag — thee ai 6. 1848, 
aso multiradiata var. Oeil A: Gray, Syn. Fl. N. Am 318. 
Floccose-woolly stems 1 to many, erect, 3-4 ae : as arising from a perennial or biennial 
base, cae ched, the heads terminating the stems. Leaves much as in the preceding species but 
sa isti d stem- soli € n ; ncles 1-3 dm. 
th ba al ones persisting a ] few and near the base of the stems; ped I 
long; involucres hemispheric, 7-8 mm. high, 11-16 mm. Neg phyllaries many, linear; ray- 
flowers bright yellow, 25— “50, the ‘asa blink, 11-15 mm. long, shallowly 3-5-toothed at the 
apex ; achenes sublinear, truncate at apex, chalky White,’ em covered with glandular dots. 
Desert ; Sonoran Zone; eastern Mojave Desert in San Bernardino ns California, 
and adjacent Nevada and from sobthers Utah to Arizona ae western Texas; also Sonora and Chihuahua. Typ 
locality: ‘‘along th 1 Norte [Rio Grande] an th viding region between the waters of the De 
d 
and those of the Gila.”? Collected by Emory. April—Oct 
38. WHITNEYA A. Gray, Proc. Amer. Acad. 6: 549. 1865. 
Herbaceous pabier sen clothed with a very short, dense tomentum, longer and looser 
on the inflorescence and also glandular. Stems few or solitary from a rather slender, 
= 
ours strongly nerved, without pappus. [Name in honor of J. D. Whitney of the 
California Geolo eel Survey.] 
A ek genu 
1. Whitneya dealbata A. xe Whitneya. Fig. 5318. 
Whitneya dealbata A. Gray, Proc. Amer. Acad, 6: 550. 18 
Plants 18-33 cm. high with long internodes. ‘Lower, eee pclae petiole about 9-10 c 
long, the upper shorter and sessile or nearly so; peduncles 5-15 cm. long, rare rely with 2-3 short 
alternate bracts, more or less sieiaaiar below the sir ba eS ivllaria es erect, owly ovate or 
riyeetd pepe thin, loosely pubescent and more or less glandular, glabr one within "eteadd at 
the ti y-flowers about 2 cm. long, - sipetin the disk-flowers about 8 mm. long, both pubes- 
cent with aireudiee hairs ; eae dark brown when mature, — strongly angled, epappose. 
Found infrequently in light soil at edges of fo satis Canadian Zone; Sier arate California, from Shasta 
County = Fresno County. Type iocaltty « 5 Mari iposa County. Sane Aas 
39. VENEGASIA DC. Prod. 6: 43. 1837. 
Stout, leafy, branching perennial. Leaves alternate. Heads showy, yellow, arising 
from the upper leaf-axils, pedunculate. Involucre hear broad, the round-ovate 
