184 COMPOSITAE 
27. Hemizonia clevelandii Greene. Cleveland’s Tarweed. Fig. 5296. 
Hemizonia puecicainl na Bull. Torrey Club 9: 10 
Hemizonia congesta s clevelandti Babc. & Hall, as nen Pub. Bot. 13: 48. 1924. 
Stem 2-6 dm ie ie simple to divaricately br sc above or throughout, or with several 
cewtng branches rots base; herbage of early-flowering forms usually densely i i oe 
cially toward base of stem and setts and moder et inci lar above, of late-flowering for 
moderately villous or merely — he strongly glandu a pubescent especially ‘toward i 
inflorescence; basal rosette small o al leaves narrow, to 15 cm. long, to 7 m ide ; 
heads terminal on the branches in He tee ae pie icate- te il oA in late Fe rms ; eh we 
4-7 mm. high, two- 
thirds as eral 
Dry grassy i: of the interior, Upper Sonoran Zone; southern Oregon south through both Coast Ranges 
to Sonoma and Napa Counties, California. Type locality: Allen Springs, Lake County, California. June—Oct. 
hg sa my the i iaties ie shorter than the body; ray-achenes about 
ong. 
32. HOLOCARPHA (DC.) Greene, FI. Fran. 426. 1897. 
Annual herbs, mostly very glandular and aromatic. Leaves linear, the basal remotely 
aeuaske to dentate with slender teeth, the upper reduced to entire bracts usually bearing 
fascicles or peduncles in their axils, truncated at apex by a crateriform gland. Phyllaries 
half-enclosing the ray-achenes, bearing on back and at apex stoutly stalked pit-glands. 
Receptacular bracts subtending each disk-flower, pen eis the achene and corolla-tube, 
free, persistent. Flowers yellow, the rays 3-lobed. ee achenes ne beaked, obcom- 
pressed, nanan the odd angle anterior. Disk-achenes sterile or outermost fertile. 
Pappus none. [Greek, holos, whole, and Deameh id chaff, the cuties eee chaffy. | 
A genus se 4 species, all . Type species, Holocarpha macradenia 
Anthers black; herbage not puberulent above. 
wiseeaieg see 40-90; ray-flowers 8-16; heads very large, densely glomerate; low, with robust divaricate 
ches; rare, near the coast. 1. H. macradenia. 
Disk- ee Bench 25% -flowers 3-7; heads small, fusiform to subglobose, soanctan —- with Pini cad as- 
yivaecias: interior virgata 
Anthers RP: ok ium tall; interior. 
Herbage net densely puberu! above; inflor nee corymbose-paniculate; involucre ee the paraees 
bearing 5—15(-20) ens sland tipped He receptacle broad. obconic 
Herbage pss puberulent above; inflorescence r i eg ii subglobose, the Phares ee 25-50 
very slender, gland-tippe od processes; receptacle nar H. heermannii. 
i: a macradénia (DC.) Greene. Santa Cruz Tarweed. Fig. 5297. 
C. Prod. 5: 693. 1836. 
Soaps sadarites Greene, Fl]. Fran. oe. 1897. 
Stem 1-5 dm. high, rigid, divaricately branched above the base, the few branches arising 
near res ether and usually again similarly br agnes rather — leafy. Basal leaves usually 
lost before > broadly linear, up to i2 cm. long and 8 mm. wide including the slender remote 
teeth; upper leaves becomin ract-like with bevedentt’ ee conspicuously bio ‘oar 
lar-pubescent cae dak cite the apical gland sometimes occurring only 
heads mostly in terminal glomerules ; sige subglobose, 5.5-8 m pie ¥ the Silas, ah 
about 25 stout, terete, eed -tippe eB ocesses ; ray-achenes 253 m . lon 
Colonial in heavy soils gras: hs ng the coast, Humid Transition . Sexik: Alameda, and Santa 
Cruz Counties, California; io — po teay Type locality: California. June—Oct. 
2. Holocarpha ~—" (A. Gray) Keck. Virgate Tarweed. Fig. 5298. 
Hemizonia nett: A. Gray in Torr. t. Mex. Bound. 100. 1859. 
Deinandra virgata Greene, Fl. Fran. re 1897. 
Holoca aha é jake Keck, Aliso 4: 111. 1958. 
Stem 2-12 dm. high, rigid, usually simple ao with few to several ide sharply ascending 
aches above; herbage spa eesigty (omen bee glandula Paige lent, canescent or hispidu- 
lous above and st cael resinous and odor Basal leaves 6-15 cm. long, "Sie mm. wide, mostly 
lost before anthesis, the upper sedncee to Jareat often tinchenia: those of the peduncles ceceeded, 
heath-like, sp eading or recurved, the apex terete, prominently gland-tipped ; head short-peduncled, 
— tely = vracemosely disposed along the virgate branches; involucre m. high, the phyl- 
ae em, terete, ascending, okie tipped processes, Serche otis: ray- 
pil 2; ‘43. 5m 
A ant in hard- — valley and foothill soils, Upper Sonoran Zone; Central Valley from Glenn County 
to Fresno County, the Sierran foo ge and the Inner Coast Ranges (Lake, Napa, Santa Clara, and San Ben 
ae). California. Type locality: : “California, probably on the Sacramento.”’ Collected by Fremont. pore 
‘Ho locarpha virgata subsp. elongata Keck, Aliso 4: 111. 1958. Stems slender, 5-12 dm. high, multibranched, 
the ultimate branchlets gracefully curving, elongated, the heads more scattered on less leafy peduncles up to 
15 cm. long. Southw ceteue San Diego County, California. Type locality: San Diego. July—Nov. 
