SUNFLOWER FAMILY 399 
with a gradually aio somewhat inflated throat, the lobes 4 or 5, ovate or lanceolate. 
Anthers entire or nearly so at base. pie branches flattened, ea minutely pencillate. 
Achenes glabrous, vai netticat: 3-5-ribbed or -nerved on one side, usually smooth on 
the other. Pappus core [From he Latin word mending emi so named for its 
supposed medical virtues. 
A genus of about 40 Moai natives of the northern hemisphere and also South Africa. Type species, Matri- 
caria chamomilla L. 
th on the outer face, thus lacking glands at its apex. 
1, M. chamomiila. 
R tacle d , d; mat h g the outer face, this bearing 2 rounded glands at its apex. 
2. M. maritima, 
Heads bearing white ray-flowers. 
R a 1 7 + te, 
neon discoid. 
appus-crown minute, entire, the achenes with 2 epee ara balay game the fone tes the home ns 
6 ig 
Pappus- crown evident, with 2 short lobes or feath these bearing oblanceolate or ene glands sitting ae 
of the achene; matu e heads usually 10-11 mm. high. . M. occidentalis. 
1. Matricaria age L. Sweet False-chamomile. Fig. 5685. 
Matricaria chamomiila L. Sp. Pl. 891. 17 
— veolens ~ Fl, Suec. ed. 2. ee 
1755. 
Leucanthemum chamaemelum Lam. FI. Franc. 2: ag 1778. 
pi ae Paton Gilib.. Fi. Lihue: Po 1781-8 
Chamomilla vulgaris S. F. Gray, Nat. Arr. Brit. rm 2: 454. 1821. 
Matricaria obliqua Dulac, Fl. Hautes- Pye 505. 1867 
Chamomilla chamomille Rydb. N. Amer, FI. 34: 231. 1916. 
Sweet-scented, piahrous, rather slender annuals usually much branched above, the stems 2-8 
dm. high, striate. Leaves 2-6 c ong, bipinnatifid into linear-filiform divisions about as lo ong 
as or a little longer ean the internodes heads ppascdss on the upper branches ; involucres about 3 mm. 
high, 6-10 mm. broad; phyllaries subequal, m ostly oblong, broadly scarious, obtuse or rounded 
att apex; fa La 10-20, reflexed in age, 4-10 mm. gis: disk-flowers many, yellow, about ong ; 
receptacle ut 4 mm. high, narrowly dome-shaped; achene s asymmetrical, smooth except . 
5 narrow, wie. like ribs ; pene none or sometimes a short c js 
A native onal around gardens and waste places st the Pacific States and occurring more 
of Eur 
scomeiatie § in eastern United a tate: also introduced in Arizona. May—Jun 
2 epigic ty maritima L. False-chamomile. Fig. 5686. 
Matricaria pene ark: Sp. Pt S9h: 2755. 
Matricaria inodor Fi. vied ed, 2. 297. 1755. 
cane or pce leafy, coarse, ae -stemmed herbs 1.5-6 dm. high, glabrous or nearly 
so, branching above, not aromatic. Leaves 2-7 cm. long, much longer than the internodes, s . 
natifid, an leaf-segments 1.5-5 mm. by mostly linear-filiform ; ; heads iate, pedunculate; in- 
volucre 4-5 mm. high, about 11-14 mm. broad; phyllaries subequal, mostly oblong, rst at ee. 
with a broad scarious margin and central, dark greenish or brownish area; rays 12-29, owly 
oblong, 6-13 . long ; disk-flowers about . long, yellow, wit short acute 1 ; receptacle 
—8 . high, dot shaped chenes about 2 mm. long, metrical, with 3 y ergs roun 
em gi ribs od ee inner face, the ber brown and rugose, the o sai ttened, brown and 
and bearing 2 glands at ee apex ; pappus a minute denticalate’e 
ts ‘iibed of pura: introduced along oi Phas seaboard and oe savory eee the coast in Wash- 
ington and along the lower Columbia River in northern Oregon. July—Aug 
