304 COMPOSITAE 
1. Bellis perénnis L. English Daisy. Fig. 5512. 
Bellis perennis L. Sp. Pl. 886. 1753. 
Scapose tufted Soa eas cm. high. Leaves essentially basal, spatulate or obovate, 2-7 
m. long Cincledie g the narrowly margined atin obtuse to retuse, cuneate at base, shallo wly 
aw toothed, thin, Neo heesteined’ sparsely pilose on both sides ; ee several, 1-he ade d, naked, 
pig kened below the head, hase ing- mato densely Laewtetics pilose toward apex; hea 
wide; involucre 2-se equal, about 4 mm. high, Ais phylarie ee or oval, hit 
sate blackish green, Saale pilose, clolate towar white or pinkish, 
about 8 mm. long; achenes obovate, 1.5 mm. long, whitish, eee Thickenes margin, finely his 
pious on ‘the side fe 
escape from gardens, naturalized in British Columbia and well established west of the Cascade Mountains 
in Pesce and Washington southward 20 ne bi a poetics of California to Santa Barbara County; re og in 
eastern United States. A nati f Euro March-Jul 
81. BOLTONIA L’Her. Sert. Angl. 27. 1788. 
Glabrous and glaucescent perennials, leafy-stemmed, resembling Aster. Leaves alter- 
nate, lanceolate to linear, entire, firm, sess e , often vertical by a basal twist. Heads medium 
small, radiate, usually numerous and cymose-panicled, pedunculate, the rays white to 
rplish or violet, the disk yellow. Envolese broad, about 3-seriate, slightly graduate, 
nelform throat, 5-toothed. see entire at atte with tbe terminal ae 
i 
: nged ; ) 
broadly or na rowly 2-winged. Pappus of 2 (or in the ray 3) subulate awns and a circle of 
short, va ender, céracoetaee 5 a Sicdiaied to <n lan an English ele of the 
18th century. ] 
A genus aay 4or5 — all natives of the United States. Type species, Boltonia glastifolia (Hill) L’Her. 
(=B. asteroides (L.) L’Her.) 
1. Boltonia asteroides (L.) L’Her. Boltonia. Fig. 5513. 
Matricaria oe L. Mant. 116. 1767. 
Boltonia aster hehe er. Sert. Angl. 27. 1788. 
Boltonia lat: occidentalis A. Gray, Syn. Fl. N. Amer. 12: 166. 1884. 
Boltonia vecldeeahie Howell Fl. N.W. Amer. 305. 1900 
Herbaceous perennial with fibrous roots, 0. 6-2 m. high, eae ae giaucisee oe ste 
stenete angied, leafy. Leaves lanceolate or elliptic-lanceolate, 4 .5-13.5¢ g, 7-18 wie, 
e or acute, te lakes narrowed to the sessile base, entire, t tuberculate roughened = pois 
thick, pale green, with ge midrib and few usually obscure basal v ; heads about 1.8 cm. 
wide; ray-flowers a ee 30, the rays white, pink, or purplish, about ong ; achenes broadly 
obovate, é ut we 5 mm. long, sparsely aide iy a broadly 2- fi = wings ciliate; awns 
mm. long. 
River tole: probably introduced, occurring in northeastern Oregon in Union County, in northern i, 
and at the mouth of the Columbia River; eastward to the Atlantic seaboard. Type locality: Virginia. Aug.—Sep 
82. MONOPTILON Torr. & Gray ex A. Gray, Bost. Journ. Nat. Hist. 5: 106. 
pl. 13, figs. 1-6. 1845. 
toid, obtuse, merely papillose, much shorter al the aecane area. [Name Greek, one 
feather, from the pappus of the original spec 
A genus of 2 known species, natives of ae des és "outa beilarn United States and northern Mexico. 
Type species, Monoptilon bellidiforme Torr. & Gra 
Pappus of a dentate cup and a single, apically sects bristle; disk-corollas densely pilose ro. 
bellidiforme. 
Pappus of 1-12 nonplumose bristles, alternating with lacerate paleae; disk-corollas saglabrous “é sparsely pilose 
below. . M. bellioides. 
