176 COMPOSITAE 
7. Hemizonia halliana Keck. Hall’s Tarweed. Fig. 5276. 
Hemizonia halliana Keck, Madrofio 3: 12. 1935. 
ca —— dm a up to 16 mm. thick, a and glabrous below, corymbosely branching 
(only n summ o below the midd e) a becoming pilose an viscid-puberulent above 
hertan: cei ne ae Leaves linear- eda sessile, glabrous except for the sca abrous 
margin, the lower remotely short-dentate, 5-8 cm. long, mm. w * volucre 5-7 mm. high, 
10 mm. wide; ray-flowers 10-14, the ligule 5.5 mm. long; disk-flowers 30-60; ray-achenes 
3.54 mm. long; disk-achenes marae ened a ere omnacindes paps. 
Heavy adobe or serpenti Upper Sonoran Zone n the r South Coast Range, San Ben 
County to x hey Luis Obispo Comite, California, Tor g ene :¥ 5 ‘wiles nai oF Chaleene: coe Luis Obispo a 
8. Hemizonia mohavénsis Keck. Mojave Tarweed. Fig. 5277. 
Hemizonia mohavensis Keck, Madrofio 3: 9. 1935. 
Stem 1.5-3 dm. high, subsimple or divaricately branched above; herbage very — Aken te 
and viscid, pleasantly odorous. Lower. leaves oblanceo a subentire, the upper lea ong- 
lanceolate, entire, amplexicaul, much reduced toward the expanded-co igre mbose Paindesceice: heads 
Sprgeeith in s Mesos at the ends of the branches; involuc —6 mm, high, 5 mm. wide; ‘ligules 
5 ong; iit s of 6-8 fay uadrate, Asal or less co ieee oie 0. 5 mm. lon ong. 
ioe: und, Low: Upper Son ; kno ut two stations in Califor rnia, Mojave “pe fo 
its Pi Apa with Dee Creek, Watens eokg (the type eeahiay and Banning-Idyllwild road, Mount San Jac 
Riverside County. July—-S 
9. Hemizonia lébbii Greene. Three-rayed Tarweed. Fig. 5278. 
H emizonia lobbii Greene, Bull. Torrey Club 9: 109. 1882. 
Hemizonia fasciculata var. lobbit A. Gray, Syn. Fl. N. Amer. BP: 310. 1884. 
panaeaee lobbit Greene, Fl. Fran. 425. 1897. 
Stem agin slender, 2-5 dm. high, rigidly branched above or throughout, the branches divaricate 
and again very freely bran ching toward tips; herbage pene? - SDR, hispid-hirsute, — 
beset vith phai s glands pores ildly odorous. poet, mall, and entire at anthesis, tho 
e seit ear Sa crowded, t cue iduous lower leaves TN ariatehy ghateionped or peneitisect 
eads very numerous, subse sie to short edn cled ; involucre mm. long, 2.5-4 mm. wide, i 
se sessile glands a nd some s more or te ss hispid with pustulate hats: ray- and disk-flow 
3 each; pappus of 6-8 lan alate or oblong, entire or toothed paleae equaling the corolla-tu 
Dry ean san oye a Upper Sonoran Zone; Solano County to southern Mauter ey County, California. 
Type locating : “probably r Montere y” but more li kely in the Salinas Valley. May—Nov 
10. Hemizonia pentactis (Keck) Keck. Salinas River Tarweed. | Fig. Saf 9. 
Hemizonia lobbii subsp. pentactis Keck, Madrojfio 3: 8. 1935. 
Hemizonia ass canes Keck, Aliso 4: 109. 1958. 
Having the low, onpead branched habit, grayish herbage, and pinnatisect basal leaves of 
ore the gee and heads m ge —— pustulate-hirsute and ‘hispid, the leaves whiter-pilose ; 
ray- -flow ; disk-flowers 6; wise similar to 
Dry “aie hills, Upper ane Dic tae southern, Monterey ‘asd San s Obispo Counties and Liens es 
about Stanford University, California. Type locality: San Miguel, San Re Obispo ounty, May—Oct 
ii, rons ramosissima Benth. Slender Tarweed. Fig. 5280. 
Hemizonia ramosissima Benth. Bot. Sulph. 30. 1844. 
Hemizonia — ta var. rbasliins A: Gray, Syn. Fl. N. Amer. 17: 310. 1884. 
Deinandra culata v avids. & Moxley, . S: Calif. 401,-.1923;, 
scicula amosissima Dav 
Hemizonia favcatinn athe ramosissima Keck, Madrojio 3: 
Stem erect, 2-10 dm. high, simple below and be ay branching above or with ascending 
branches from the base upward; herbage moderately hirsuite to glabrate, the glands (most fre- 
r le m 
quent on involucres) sessile, yellow. Lower leaves (most issing at anthesis) linear-oblanceolate 
remotely den 1 . long, 3- com Dwi: upper leav t all, and bract- 
like; heads pedunculate, numerous, r less remote — solitary, sometimes in twos at the 
mn of branches; ray- -flowers ah disk- ‘foteers & pappns s in lobbit. 
y fields and hillsides, Upper Son oran Zone ict Codes and the Channel Islands to Oran 
Camere largely replaced by the next in San Diego County. Caifooni ia, and Lower California. Type locality: on 
ably San Pedro, Los Angeles County, California. May—Aug. 
12. Hemizonia fasciculata (DC.) Torr. & Gray. Fascicled Tarweed. Fig. 5281. 
cheated egies DC. Prod. 5: 693. 1836. 
Hartmannia glomerata Nutt. Trans. Amer. Phil. Soc. IT. 7: 391. 1841. 
How ionia fasciculata Torr. & Gray, Fl. N. Amer. 2: 397. 1843. 
A. Gray, Syn. Fl. N. Amer. 17: 309. 1884. 
—— fasciculata Ceceas Fl. Fran. 424. 1897. 
Deinandra simplex Elmer, Bot. Gaz. 39: 48. 1905. 
Stem 1-10 dm. high, mostly branching from above the middle, the branches rigid, sharply 
ascending and with Coneratively few twigs; heads subsessile in glomerules of 3 to many, the 
