170 COMPOSITAE 
pr serbemiiagee Cine & olay FI. a Amer. 2: 405. 1843. 
Madia r . & Gray, loc 
Madia sass var. Paddy Gray eigen Amer. Acad. 9: 189. 1874. 
a A. Gra 
Madi tiva race 
Lagophylla hilimani A. ee Proc. i Se: Wash. 17: 98. 1904. 
Madia gracilis Keck, Madrofio 5: 169. 19 
Madia sativa subsp. eserchore Keck, tay: 4.1935, 
Stem usu ually oon simple or flexuously branching from the aon the branches not over- 
i-10 . hi h 
topping the main dm. high; herbage not as viscid as M. va, resinously fragrant. 
Leaves very ae gee mostly linear, sessile by a o 10 cm. long and 
paniculate to racemose, not congested, y bracts rarely p 
volucre ovoid to depressed-globose, 6-9 mm. hi phyllaries thickly beset with stout, appa sa 
irs, the acuminate tips short ; ray-flowers 8-12; ligules 3-8 mm. lon ng ; disk-flowers 15-35; anthers 
included, black; ray-achenes 2.8-5 mm. long, gibbously obovate, often mottled; di sk- a 
similar but straighter 
Open or wooded areas, poeekinice in disturbed soil, Sonoran Zones to Canadian Zone; British Columbia to 
eng California east to Montana and Utah; Chile and adjacent Argentina. Type lo cality: west coast of North 
America. April—Aug. 
Madia gracilis subsp. collina Keck, Aliso 4: 108. 1958. More Pith usually branching near the top, the 
heads spicate or glomerulate, the inflorescence abe vis Sid, the stem not g andular below; sy ha‘ pa bay eo 
ps ap oe involucres 8-10 mm. high, the — ies with elon mgated tips. oe ‘Sonoran Fenn, Sie oothills 
f Amador and Roni Counties, Califo Type locality: Vallecito, Calaveras County. yy Rio i 
Madia g lis subsp. pthace Keck. ‘Aliso’ 4: 108. 1958. Like the species but edeckie pre Mista ic 
especially on so nl and sgn rather sparsely glandular but usually so well down toward the base; leaves 
few, large, the upper ones rather Peeadi heads solitary or seccmone on elongated peduncles, iy ple the involucres 
depressed-globose, contracted are ied achenes, the phyllaries somewhat dilated, pie holding the achenes, th 
erect tips elongated. Humid Transition Zone; Humboldt gins California. Type cality: Buck ‘Pountai ¥ 
Ss, 
13. Madia citrigracilis Keck. Shasta Tarweed. Fig. 5264. 
Madia citrigracilis Keck, Carnegie Inst. Wash. Pub. No. 564: 44. 1945, 
Stem sparsely branched ragite Ae the branches strict, slender, often exceeding the main stem, 
2.5-5 dm. high, hispid-hirsute below, villous and v viscid-puberulent above with ae eee  stiitat 
glands. ‘Leaves lin soured ice often Scholes. ale the lower 4-8 cm. to g, wide; 
heads racemose or terminating leafy peduncles ; involucre dtipvate: 6-8 mm. high; pylaries some- 
what hirsute and densely stipitate-glandular, villous-ciliate over the face of the achene: ; ray-flow 
ers 5(-14) ; disk-flowers 3-10(-30) ; ray-achenes about 4 mm. long, broadly lanceolate in cross 
ection. 
Forest openings, Arid ig ee sie Modoc, Shasta, and Lassen Counties, California. Type locality: 
Burney Spring, Shasta County. July— 
14. Madia sativa Molina. Chile Tarweed or Coast Tarweed. Fig. 5265. 
Madia sativa Molina, Sagg. Chile ed. 1. 136. 1782. 
Stem usually st - often rigidly branched above, glandular well down toon? pats 5-10(-20) 
dm. past Py ace strongly odorous. Leaves ies cr a sessile by a bro eo p to a8 cm 
long wake. "i ads paniculate, racemo subspicate, often fox along the 
hace tie fe foliose: bracted ; ray-achenes ‘ae oblancgeiaie’ disk-achenes ue. the 
sides sometimes 1-nerved. 
Grasslands, roadsides, and waste places, Transition and Upper Sonoran Zones; behaving as a ruderal; along 
8 coast from southern Alaska to Los Angeles County, California; Chile; Argentina. ype locality: Chile. 
15. Madia capitata Nutt. Headland Tarweed. Fig. 5266. 
Madia capitata — _ Amer. Phil. Soc. II. 7: 386. 1841. 
Madia sativa var. congesta Torr. & Gray, Fl. N. Amer. 2: 404. 184. 
Madia sativa hes. ad Piper, Contr. U.S. Nat. Herb. 11: 576. ‘1906. 
Stem stout, simple or rigidly gickiolroga$ pranches above, glandular to base, gore viscid than 
M. sativa, 3-6 dm. igh; herbage strongly odor. Leaves sessile by a broad heads in con- 
gested spikes or in tetas! or fohsar slomerules, often with foliose bracts pepe the heads; 
ray-achenes narrower and longer than in MV. sativa, the sides a rved. 
Low fields and coastal headlands, Transition and pes Sonoran Zon times weedy; British Columbia 
south near the coast to Santa Barbara Cou Ca — Type locality: "adpaton Island, at the outlet of the 
Wahlamet.”’ May—Oct. but usually aisles rh M. sati 
16. Madia glomerata Hook. Mountain Tarweed. Fig. 5267. 
Madia glom a Hook. Fl. Bor. Amer. 2: 24. 
Amida gracilis Natt sree a Phil. Soc. sg 7 "390. 1841. 
Amida hirsuta Nut 
wae — Piper, Bal Socrey Club 29: 222. 1902 
Madia glomerata var. sa Jepson, Man. FI. Pl. Calif, 1098. 1925. 
Pie io. = ue ae mple or with assurgent or seine branches, 1.5-8 dm. high, vil- 
lous to hispid, wi pe ida nena glands above; herbage strongly and unpleasantly odorous. 
Leaves uaa linear, often with feat in theiz axils, the yidar- 3-9 cm. long, 2-7 mm. wide; 
