578 COMPOSITAE 
on short bracteate peduncles ; involucre 6-7 mm high; inner phyllaries linear- lanceolate, pe 
greenish, the outer “area nd p urple-tinged ; ligules shorty greenish yellow. achenes about 1 m 
long, 5-angled and 2-3-st hal hi n the obtus e angles; pappus dec hi na ring with no date er 
ent bristles, the peiiea tte ee cilate at base, barectine abavey Fadeplees arith minute 
palea 
An insular species, occurring on Santa Cruz and San Miguel Islands, Santa Barbara County, and San ingen 
Island, Ventura County, off the coast of southern California. Type loc ality : Santa Cruz Island. April-Sep 
5. Malacothrix califérnica DC. California Malacothrix, Fig. 5999. 
Malacothrix californica DC. Prod. 7: 192. 1838. 
caulescent scapose annual. Leaves basal, espn Se dense rosette, Fpeanchegs 6-12 cm. long, 
the lobes na arrowly linear or ep atin filiform, more or less Bageort tbs oolly- ntose when young, 
partially glabrate in age; scapes usually several, 10-35 ¢ high, opt or ; vimewtin decumbent 
at labrous, simple and bractless, bearing a rt al A head with pale yellow ligules; 
involucres broadly campanulate, m igh, densel fe) se; outer phyllaries nar- 
1 t uch er and linear-lanceolate, with broadly scarious ma ; 
receptacle-bristles usually present but delicate ; achenes about long, s e nar 
r and 
e base, 4-5-ribbed, with 2 slender striae between the ribs: ; pappus white, about 
8 mm — ng, the 2 outer bristles persistent, the inner ones united at base pe falling away together. 
r gravelly soils, Sonoran Zones; inland and along the coast, Contra Costa County, and Fresno and 
Tulare Wane south to Lower California; also on the Wwebter edges of the Mojave and Colorado Deserts. Type 
locality : ira sg: Collected by Douglas. arch— May 
hrix ca atte var. glabrata A. Gray nD: C. Eat Bot. King Expl. 201. 1871. (Malacothrix 
reer Syn. Fl. N. Amer. 12: 422. 1884 2 ‘Growth habit, ‘and Lig of M. californica var. californica; 
a gahrons throughout, rarely a little woolly on young ba “ee ; flower ring stems bearing 2 or 3 "aces 
heads (ra 2): 1 or 2 canine leaves sometimes present; aches pli asin M. ay Sal eal var. californica, 
Sandy ae Deathereatecl Idaho and eastern Oregon a and Nevilis idle the deserts oF Lalit nia and Arizona 
to Lower California; occurring rarely with the species in the San Fossum Valley in ae pee nty, California, 
and eastern part of the Cuyama Valley. Santa oa bara County. Type locality: 7 eal City (Anderson!) 
Foothills of the Trinity Mountains, Nevada.” Mare h-July. Desert Dandelion. 
6. Malacothrix clevelandii A. Gray. Cleveland’s Malacothrix. Fig. 6000. 
Malacothrix clevelandii A. Gray, Bot. Calif. 1: 433. 1876 
Annual, the stems usually several from the base, paniculately branched above, the branches 
ascending, 1-4 dm . high, glabrous, often reddish. Leave s mostly basal, more or less. Lira 
2-10 cm. u teeth 3. ste. wid “ye 
e many, e 
slender paniculate branches ; involucre narrowly campanulate, 67 mm. high, the in “i  igllaries 
i n, O i d i y about 2 m 
long ; achenes linear, minutely striate-costate; pappus rat deciduous pir rgd oy 1 (erely 2) 
rersictent bristle (this 1 usually oe deciduous) and a circle of minute white teeth. 
Chaparral and open Ayre espec n burns or disturbed places, mainly Upper Sonoran Zone; occa- 
sional in the foothills of the Sie 5 ora California, from ipisrahan County southward and the Coast Ra anges 
from Glenn County to gathers. Califo orets, wher more and nor Haan x teat Catitecata: also on 
Santa Cruz Island "(Brandegee) and occasional in rie gs ns Ag pny Mase Deserts to southwestern Nevada and 
Arizona, and Sonora. Type locality: dar Sax Diego. April-June. 
a pica ne (DC.) Blake. Woolly Malacothrix. Fig. 6001. 
Senecio flocciferus DC. Prod. 6: 426. 1837. 
reaengio 1ae4 ottnat Ben x =e Hartw. Poi 1849, 
ora Benth 
Pout Soneihive — Pace U. S. Nat. Herb. 22: 656. 1924. 
Annual, stems simple at base and erect or often several with the outer somewhat decumbent, 
ba ie ee aad above, 1-4 dm. high. Leaves nearly all broad, oblong or oblong-spatulate, 
1.5-10 ing t 
1 long, pinna “5 or the smaller often merely dentate, often bearing tufts of wool 
the lower surface peciall the lobes; involucre narrowl camp ofe Oe : ad ; inner 
phyllaries 4-5 mm. high, linear, acute or short-acuminate, with broad s mar gins, often 
i h 
purplish at least at the tip; ligules white or sometimes pale yellow, Seen: tinged — pink, 5-10 
mm. long; achenes oblong-obovoid, entire at summit ; pappus-bristles all decidu 
Dry slopes and rocky banks, Upper Son moran and Tranisien Zones; Coast Ranges from ad sdvott County to 
poor ad Pinos, Ventura County. trattear nia and in the Sierra Nevada gs ses Concle to Mariposa County; 
tern Nevada. Type locality: California. Collected by Doupite:: April-Oct. 
8. Malacothrix sonchoides er. pan & Gray. Sow-thistle Malacothrix. 
Leptoseris sonchoides Nutt. Trans. Amer. Phil. Soc. I hs 7: 439. 1841. 
Malacothrix sonchoides Torr, gre & |. N. Amer. 2: 486. 1843. 
Be make runcinata A. Nels. Bull. Tocca Club 26: 485. 1899, 
ual witha single erect stem or with several stems and somewhat decumbent at base, eee 
ing ork 1-5 dm. high, glabrous or essentially so. Leaves in a basal tuft, rather thick, 3-10 c 
lon long i in outline, regularly pinnatifid, the lobes and teeth callous-tipped, lower — sir 
few, similar to the basal, the uppermost reduced to small subulate bract cts; heads few to numerous, 
short-pedunculate ; involucres s campanulate, 7-8 mm. high, the inner phyllaries tispise ielabitate ; 
