v2 COMPOSITAE 
strigose, linear, 1-4 cm. long, 2 m r less wide; heads on filiform, pag rie often elongated 
peduncles in corymbose pa ag ice: pease ace peers globose, 2.5-4.8 mm. high; phyllaries early- 
deciduous with the ma e fruit, ‘linear do ara pair in outline Rely covere a wit prominent 
glands on oe often a stalks ; ; ray-flowers 5-8, the ligule 1 mm. long; ray achenes 1.8-2.8 
mm. long, crescentic, stoutly beaked ; ‘di sk- hens fertile 
Dry apa and woodlands, Sonoran and Transition Zones; southern British Columbia and western ae 
tana to northern Lower California and a Ni Mecatn. Type spe Ee west coast of North America. May-—Jul 
18. Madia minima (A. Gray) Keck. Hemizonella. Fig. 5269. 
Hemi ima A. Gra apieige hap Acad. 6: 548. 1865. 
Hemizonia parvula A. rein op. c 
scrcereeaes durandi A. Gray, lo 
A. Gra 
ic. et 
ay, op. cit. 9: 189. 1874. 
Hemizonella parvula A. Gray, loc 
S 
Harpaecarpus minimus Greene, op. cit. 
Hemiz peso minima var. sophia ula H. M. H all, Univ. Calif. Pub. Bot. 3: 148. 1907. 
Melam ghana ina West. Bot. No. 15: 156. 1929, 
M. iiieecalon — - E. 
Madia minima k, Madrofio re ty een 
Stems 1 to pier? from near the base, ae pei branched to form often a hemispheric plant, 
villous bdo, glandular-puberulent above, 2-15 cm. hi mg? Leaves often in little clusters at the 
nodes, otherwise sm: peeing: linear- a mig x ong ; heads solitary or in small terminai 
glomerules, napiform, 2-3 m hi gh; Shiai loosely appressed, becoming arcuate with the 
ripening achenes, rounded on ere far their glands tiny, on prominent pustulate processes; ray- 
nr incurved, m r less beaked. 
Gravelly slo; get os sont in coniferous color aig Transition and Canadian Zones; British Columbia and northern 
Idaho south to Diego County, California. Type locality: “pee pt near Soda Springs, alt. 8,680 feet” 
(Tuolumne Meadows, Yosemite National Park). May-July. 
31. HEMIZONIA DC. Prod. 5: 692. 1836. 
Annual or perennial herbs or shrubs, poe ag glandular and aromatic, mostly 
fall-flowering xerophytes, very ioe S ring-flower . Basal leaves variously lobed, rarel 
subentire; upper leaves and bracts not A y open pit . Phyllaries half- 
enclosing the ray-achenes. Receptacular bracts in a single r more 0 
(except in Section Hemizonia), triquetrous, the odd angle posterior, epappose, fertile. 
Disk-achenes usually bearing a paleaceous pappus. [Name Greek, hemi, half, and zone, 
girdle, the phyllaries but half-enclosing the ray-achenes. 
A genus of 31 species, essentially confined to California and northern Lower California. Type species, Hemi- 
zonia sbasste a DC. 
Shrubs; leaves small, crowded (Section Z onawnra). 
Flocs present in axils of older leaves; phy keeled; anthers black; a 1. H. clementina. 
Flocs absent; tees strongly keeled; anthers yellow; Santa Susana Mounta 2. H. minthornii. 
Herbs; leaves lar; 
Ray- 
achenes vabviously beaked; ligules yellow; inner receptacular bracts when present not adnate nor deli- 
quescen 
asa ok a —— fis se receptacular bracts confined to a row surrounding the outer disk-flowers and 
ited in cup; pappus of quadrate or oblong paleae (Section Deinandra). 
Diskachene sterile. 
laries not keeled; — yellow (except in H. corymbosa). 
Heads not glome 
Ray-flowers 5 ek. flowers 6; Inner Coast Ranges to southern areoras, 
. H. kelloggii. 
Ray-flowers 8 or more; disk-flowers 10 or 
Leav sic 2 eam ‘thro ughout; stems ae cheeky fistulous. 
Sor flowers 8-12; disk-flowers ot herbage pallid: 
Pappu obvious; bic ool = s lobed; herbage vlog “ielow liqules pale 
ye ; cism i 
Pappus none or pase oA radical leaves entire or obscurely toot 
herbage hispid-hirsute below; ligules deep ag 6 transmontane. 
Ray-flowers 18-32; disk-flowers —< herbage bright ae eae, re 
pinnatifid or ’ bipinnatifid: coastal. ee «se 
Leaves vy ciliolate, mostly entire; gives strongly fstlous pa pps Yulee 
one; Inner Coast Range. . H. hallia 
Heads aketake small; ray-flowers 5; disk-flowers 6; Mojave Desert. 
login — sen vasa Coast Rang 
Ray-fl isk-flowers 3; herbage pete and gray-green; plants low and divaricate; 
eatin to sou ie Monterey County. 9. H. lobbit. 
8. H. mohavensis. 
