588 COMPOSITAE 
1. Hedypnois crética (L.) Willd. Crete Hedypnois. Fig. 6019. 
ad goes nies. L. Sp. Pl. ed. 2. 1139. 1763. 
eticus All. Fl. Ped. 1: 226. 1785. 
a see cretica Willd. Sp. Pl. 3: 1617. 1804. 
Stems simple or usually branched from the base, 1-3 dm. long, hispidulous, the hairs simple or 
‘ciinaaby rp the tip. Basal leaves oblanceolate, tapering to a winged petiole, entire or sparsely 
m bed, 2-10 cm. | idulous ; 
denticulate or someti ie ong, mm. wide, Seerdal hispi id peduncles 
erate solitary, or on more branched stems; involucre 8-10 m igh, enlarged in fruit, his- 
ulous peat ne ete on the margins; achenes appressed- scabrous on the ribs; pappus- 
Locally natural ayo dry interior valleys of the Inner pe igo and the Sierra Nevada foothills west to = 
coast ied south to San Dieys, California. Native of Eurasia and originally described from Crete. March—May 
168. PICRIS L. Sp. Pl. 792. 1753. 
large, a or paniculate heads of rail flowe volucre c ate or cupulate, 
its inner phyllaries in 1 series, nearly equal and erect, its exterior ones in 2-3 series, small 
r large and spreading. Receptacle flat, short-fimbrillate. Rays truncate and 5-toot t 
apex. Anthers sagittate at the base. Style-branches slender. Achenes linear or oblong, 
slightly curved, terete or angled, 5—-10-ribbed and transversely alpen narrowed at the 
ase and apex, or beaked in some species. [Name Greek, meaning 
About 35 species, natives of the Old World, or one species possibly sl i in Alaska. Type species, 
Picris pairs Re Ary i 
1. Picris echioides L. Bristly Ox-tongue. Fig. 6020. 
Picris renee wp, PE 792: 1753; 
au ial with branched hispid stems 5-12 dm. high. Leaves beset with coarse, barbed, usually 
pustulate- based cass ae basal and lower leaves spatulate or oblong, obtuse, ro mage dentate, 
5-15 cm. lon: i 
th 
late, the uppermost ese e and entire; heads many, usually rather crowded, sheet is tees d, 
about 1. oad ; outer obyilaries of ein in oo 4 or Ba by sowie subcordate, hispid-ciliate ; 
inner pistlevies tanckata thin and tipped swith, a prickly 
A native of Europe, naturalized in waste places, sieaahe eae roan hag distributed but most 
common in central and pethers: California; also Michigan east to the Atlantic seaboard. May—Nov 
169. LEONTODON L. Sp. Pl. 798. 1753. 
Annual or eee herbs with heads borne on simple or branched, naked or scaly- 
bracted scapes. Leaves in a basal rosette, entire, toothed, or pinnatifid. Heads many- 
ime 
pappus of the marginal flowers often of scarious paleae only. [From the Greek words 
meaning lion and tooth, in allusion to the toothed leaves. ] 
enus of a 45 species, natives of Europe, western and I Asia, and northern Africa. Type species, 
teteee hispidus 
1. Leontodon léysseri wet) G. = Hairy Hawkbit. Fig. 6021. 
Crepis nudicaulis L. Sp. Pl. 805. ee (N 
Leontodon hirtum of authors, not t. ed. 10.1194. 17 59. 
oseris taraxacoides Vill. Prosp PI aa ee 
Thrincia hispida Roth, C B 
822. 
Leontodon nudicaulis erat. Ann. Sci. Nat. 22: 109. 1831. 
Loontetes eatbie Ball, Journ. — — 16: +. 1878. 
Leon Beck, Fl d-Oesterr. 22: 1312. 1893. 
yon nudicaulis subsp. nits Schinz & Theil, Bull. — =e II. 7: 389. 1907. 
Leontodon nudi, Thell. | 
Scapose perennial with fibrous roots and short ars Leaves many in a basal rosette, 5-15 cm 
long, narrowly oblanceolate, tapering to a etiolitcras base, midvein prominent, sometimes nearly 
entire, more often shallo oothed to runcinate-pinnatifid, with hirsute sprea t ence ; 
heads solitary, the s scapes several to many, 10-35 cm. jong, n ve, spreading-hirsute 
toward the base; involucre 6-10 mm. long, the inner phyllaries subequal, lanceolate, gla = ta ad 
—— usually medially darkened, the ites reduced to small calyculate eee achenes 
long, fusiform, more or less sho srtly beaked above, striate, the striae muricate, pappus of the 
