562 COMPOSITAE 
ovoid or fusiform, nodding until mature, the principal phyllaries carinate, often tips gemeally: 
black-villous within, the — phyllaries pie ira calyculate ; florets yellow-orange 
yellow; achenes 2. 50-5.25 mm. lon g, brown or bro metimes darkly spotted, praneatetall. 
form to turbinate or hea Cem meee at the ae very pac scabrous, the outer fruits psi 
densely sa adacs Solana always 5, 4.5-10.5 mm. long, the paleae lanceolate, 
long, straight and flat above the muicile, silvery » sm i or bronze, tapering or lacerate "above, nthe 
linear, band-like midrib projected as a slender spiculate a a 0, 
Coastal bluffs, hillsides, and sandy Ae Humid a inet iho Island, Deitine Sebsmbias: San 
Juan County, Washington, and south alang the coast from Linceln County, Oregon, to San s Obispo County, 
California, Type locality: Corte Madera, Marin County, California. pices es ly. 
14. ~Microseris élegans Greene ex A. a Elegant Microseris. Fig. 5972. 
Mi. leg Greene ex A. Gray, Syn. Fl. N. Amer. 1?: 1884. 
Mi, bh r. elegans Jepson, Man. sit bg tage ‘044. 1925. 
Microseris ae csWhaiscaeaa vs var. mariposana Jepson, loc 
Delicate, acaulescent, lightly paper nab! herb, the slender scapes curved at the base, 
erect, 5-35 tall. Leaves basal, 2-20 cm. long, lin near or narrowly esr eolate, acute or at- 
tenuate, t toothed or de ma) pinnatifi with slender tape ring lobes or entire; heads 10-100-flowered, 
ovoid or globose, nodding until almost m the principal phyllaries po ng often lined ath 
red, black-v illous on a surfaces, the short citer hae careers florets yellow-orange or 
yellow ; achenes ong row c r s 
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minute, delicate, ovate or de , scarious, somewhat lacerate, with slightly ipotiiee margins 
anda — , finely ny near midrib projected as a hair-like termin, ala =9. 
tg flats and hillsides, on bare spots in adobe soils, Sonoran Zones; ey hasta County, California, south 
through the inabior baa _ foothills to the islands and chenoutanl region of southern ee and north- 
ern Lower California. Type locality; Byron Springs, Contra Costa County, California. April—Jun 
153. AGOSERIS* Raf. FI. Ludov. 58. 1817. 
Scapose perennials, biennfals, or annuals, the latter sometimes short-caulescent, from a 
taproot surmounted by a more or less well-developed caudex. Leaves in a basal rosette, 
linear to narrowly ovate or oblanceolate, entire to laciniate, glabrous and glaucous to to- 
mentose. Scapes | to several, usually longer than the leaves, glabrous or sparsely oie 
pubescent, frequently villous at the summit. Heads solitary, erect, from cm. in diame- 
ter, narrowly campanulate to hemispheric; phyllaries imbricated in 2-4 series. Floret 
yellow or burnt orange, frequently drying purplish; ligules shorter than to well sheeting 
the phyllaries. Achenes fusiform or linear, terete or angular, usually more or less conspicu- 
ously 10-nerved, distinctly beaked (with rare exceptions in 4. glauca) when mature. Pappus 
about twice the len gth of the achene, of numerous barbellulate, sa pillar bristles, silky-white 
to sordid. [Name Greek, aix, meaning goat, and seris, chicory. ] 
A genus of 7 species in North America, primarily western, and one in ca wel South America. Type species, 
Troximon glaucum Pursh. 
Plants yeresal or biemnimt,,. 
1 - 1 th 
ly; nonmaritime plants. 
Flowers yellow, sometimes drying pinkish: 
Beaks commonly shorter than the Soria ligules 7-19 mm. long; widespread waeiouet 
Beaks — much longer than the body; ligules 5-8 mm. long; rare plants of the ‘cent Sierra 
evada and central Cascade Mountains at este Sea to low elevations. 2. A. e 
Flowers iat orange or pinkish, drying purplish. 
Trichomes of head > cay ar; Soaks mostly 6-8 nim. long; pappus mostly iGge mm. long; com- 
mon 
» Widesprea . A, aurantiaca. 
Some trichomes onetigd head gland-tipped; beaks commonly 8-10 mm. long; pappus a — hing this 
nitanteema i in eae age Sierra Nevada. chee A. 
Beak of mature vewdenns more than twice as long as the body, or sometimes shorter in ma oe pe 
Heads pa od ely lar fe, rarely ity than a a mm. high in fruit; — 11-25 Sti at mm. long; 
s 8-18 (mostly 10-17) mm. oe coastal hills and inland 
Achenes s abruptly beaked from a truncate apex; leaves initorady retrorsely lobed; pp lh agg mm. 
; pappus 14-18 mm. lon Ar 
Achenes Aba ng gradually into the beak; leaves irregularly lobed; ligules 3- 6 mm. «Sty (r arely 
longer) ; pappus 8-12 (rarely ae mm. long. . A. grandiflora. 
Heads eens small, less than 25 mm. high in fruit; beaks 4-9 (rarely —12) mm. ge pappus 5-9 mm. 
lon, ong; plants of mar itime and coastal hills. 6. A. apargiotdes. 
Plants annual; purr fF involucre. 7. A. heterophylla. 
1. Agoseris glaiica (Pursh) Raf. Short-beaked Agoseris. Fig. 5973. 
Troximon glaucum Pursh, Fl. Amer. Sept. 2: 505. 1814 
Agoseris glauca Raf. Herb. Raf. 39, 1833. 
Macrorhynchus glaucus D. C. Eaton, Bot. King Expl. 204. 1871. 
* Text contributed by Quentin Jones. 
