206 



447. CHRYSANTHEMUM. 



447. CHRYSANTHEMUM. 



1. segetum. Herbaceous, smooth. Stem 

 erect, branclied. L. amplexicaul, some coarsely 

 serrate, others laciniate. Branches naked at 

 top, 1-flowered. Phyll. obtuse. Margin broad, 

 scariose. a. 5. Fields. 



2. coronariuna. Herbaceous, smooth. 

 Stem erect, diffuse. L. auriculato-semiam- 

 plexicaul, bipinnatipartite. Lobes lanceolate, 

 broader at top, inciso-serrate. Branches naked 

 at top, 1-flowered. Cal. campanulate. All 

 Phyll. scariose at top. a. 4, 5. Coasts oiM.dit. 



3. italictiin. Stem procumbent. L. bi- 

 pinnate, serrate. Rays very long. p. Italy. 

 An obscure species, said to resemble Pyrethrum 

 millefoliatum, a species from Taiiria, but more 

 erect, and with white rays. — DC. 



448. MATRICARIA. 



1 . Ghamomilla. Smooth, branched. L. 

 "bipinnatipartite. Segm. narrow linear, often 

 divided. Stalks naked at top, 1-flowered. PhyU. 

 with a whitish margin, a. 5, 6. Uncult. and 

 fields. 



449. LONAS. 



1. inodora. L. pinnatipartite. Segm. acu- 

 minate, a. 5, 6. Dry fields. Sic. Aries. 



450. TANACETUM. 



A. Circle of tubular, tridentate female florets. 



1. vulgare. L. bipinnatipartite ; the Rachis 

 and Lobes inciso-serrate. Corymb many-flow- 

 ered, p. 7, 8. Banks. 



B. All Florets alike, 4>-^-toothed. 



2. Audiberti. L. bipinnate. Lts. oblongo- 

 linear, pinnatifld. Lobes acute. Branches long, 

 naked, 1-flowered, disposed in a few- flowered 

 corymb, p. 7, 8. Woody hills. Cors. In 

 the high wood of Valdacello, Sard. 



3. annuum. Root-L. bipinnate. Stem- 

 L. pinnate. Lobes crowded, linear, mucronato- 

 acute : uppermost linear. Corymb fastigiate, 

 the central stalk much shorter than the rest. 

 a. 9, 10. Fields, s. Fr. It. 



4. Balsamita. L. undivided, ovate, ser- 

 rate : lower stallied ; upper sessile, auiicled. 

 PL corymbose, p. 7, 8. Walls and dry banks. 

 s. Pr. s. Sw. Tusc. Sic. 



451. PLAGIUS. 

 1. ageratifolius. Stem shi'ubby at base. 



Branches many-flowered. 

 sessile, equidistant, p. 6, 

 Cors. Sard. 



L. obovate, serrate, 



7. Marit. pastures. 



2. virgatus. Stem herbaceous. Branches 

 nearly naked at top, 1-flowered. L. lanceolate, 

 serrate : lowermost attenuate into stalk ; upper 

 linear, quite entire, b. Rills. Lescarene near 

 Nice. w. Lig. 



452. SANTOLINA. 



1. Chamsecjrparissias. Shrubby. L. 

 hoary, with 4 rows of short, very obtuse teeth. 

 Phyll. lanceolate. Midrib hardly prominent. 

 s.S. 7, 8. Open. s. Eur. 



a., incana. PhyU. downy, s. Pr. It. &c. 



i3. tomentosa. Phyll. mealy. Sard. K. Nap. 



y. squarrosa. PhyU. smooth. PI. smaU. 

 s. Pr. 



S. villosissima. PhyU. smooth. L. very vU- 

 lous. PL smaU. Mt. St. Victoire, Prov. 



2. ericoides. "Stems smooth, tufted. 

 Branches hoary. L. nearly smooth, at last 

 green, pinnately toothed. Teeth spreading, 

 very short and blunt. Cal. small, smoothened. 

 w. 6, 7. Open hills. iEtna." — Guss. 



3. viridis. Shrubby, hairless. L. with 4 

 rows of naked, subulate teeth. PhyU. lanceo- 

 late. Midrib somewhat prominent. s.S. 7, 8. 



Languedoc. 



4. pectinata. Shrubby, diflruse, downy. 

 L. pimiatipartite. Segm. Unear, obtuse, entire 

 or trifld, 6 to 8 on each side. Phyll. lanceo- 

 late, keeled. s.S. 6. Prats de MoUo, e. Pyr. 



5. rosmarinifolia. Hairless. L. linear, 

 somewhat acute, undivided ; lower with a tu- 

 berculate margin ; upper flat, entire or only 

 somewhat toothed at top. PhyU. somewhat 

 keeled, acute: inner scariose at top. s.S. 

 7, 8. Prov. 



6. leucantha. Tufted, hairless. Lower L. 

 pinnatipartite. Segm. in 2 rows in lower, in 4 

 in upper part of L., linear, somewhat acute, 

 spreading. Phyll. keeled, with a brown ex- 

 panded tip. s.S. 6. Rocky. Moimtains of 

 Carrara. 



7. alpina. Stem herbaceous, erect, nearly 

 simple. L. sUky, pinnatifld. Segm. Unear, 

 generally entire. PhyU. lanceolate. IMidrib 

 inco)ispicuous. p. High gravelly. Monte 

 Morrone. Abr. 



I have adopted the descriptions of DC, ex- 



