COMPOSIT.^. ^09 CORCOPSIf. 



1. C CORONA'RIUM. — Leaves bipinnntind, broader at the summit, 

 acute; s<e/« branched. Native of Sicily. The variety with double flowers is 

 frequently cultivated as a hardy annual. Stem about 3 feet high, striate, 

 smooth, erect, with alternate, clasping leaves. Flowers large, terminal, 

 solitary. Aug. Ann. 



2. C. TRI'COLOR. — Leaves bipinnate, fleshy, smooth; involucre scales 

 carinate. Native of Barbary. Flowers large, very beautiful ; disk purple, 

 rays white with a yellow base. A variety has flowers entirely yellow. 

 July — Oct. Ann. Three-colored Clirysunlkciiium. 



3. C. Sie'NSE. — Leaves coriaceous, stalked, sinuate-pinnatifid, dentate, 

 glaucous ; rays very long. A native of China, where it has been long 

 cultivated and highly esteemed for its beauty. A great number of varieties 

 have been produced, with double, semidouble and quilled flowers of every 

 possible shade of color. It is of very easy culture in any common soil. The 

 plants are propagated by divisions, by suckers and by cuttings. Although 

 they grow in any soil, yet it is better to give them a rich loam and water them 

 vpith liquid manure. Ciunese Ckrysanl.hemuin. 



3.5. HELIO'PSIS. 



Involucre imbricate, with ovate, subcqua! scales; rays 

 linear, large, pistillate, disk peiTecl 5 recep'.acle ci;a(fy, coni- 

 cal, the palae lanceolate ; achenia 4-sided ; pappus 0. 



Gr. i]>.ios, the sun, o(p(rii, an appearance. The flowers are similar to those 

 of the sunflower, and like them are not unaptly likened to the sun. Peren- 

 nial herbs v^itli large heads of yellow flowers and opposite leaves. 



II. LiEVIS. 



Stein smooth ; leaves ovate-oblong, serrate, petiolate, 3-nevved, smooth 

 beneath. A large symmetrical plant, 3 — 5 feet high, in hedges and thickets. 

 Stem angular, striate. Leaves large, distinctly 3-nerved. Branches axillary, 

 each thifkened at the summit and terminating with a large, solitary, yellow 

 head. Rays lanceolate, broad at base and obtuse at summit. Jn., Jl. Oz-eye. 



Section II. II«-a;Is radia'c and di.icoifl in tile same gciius, 



36. COREO'PSIS. 



Involucre double, each 6 — 10-leaved; receptacle chafTv ; 

 achenia compressed, emarginate, each commonly with a 2- 

 toothed pap[ius. 



Gr x.oQii, a bug, o-^ti, resemblance ; the seed is concave on one side and 

 convex on the other; it has a membranous margin and 2 little horns at one 

 end which give it much the appearance of some insect. Lvs. mostly opposite. 

 Rays rarely wanting. 



1. C. trichospe'rma. 



Stem smooth, dichotomous; leaves opposite, quinate-pinnale, lanceolatp, 

 serrate ; leaflets of the outer calyx ciliate ; rays entire ; seeds cuneate. In 

 wet grounds. A smooth, brandling plant with large, brioht j-ellow flowers. 

 Stem 2 leet high with branches and leaves mostly opposite. Leaflets 5 — 7, 

 narrow and tapering to a long point, the margin more or less deeply cut into a 

 g*- 



