Obder 70.— composite. 463 



4 C. diversifdlia Torr. & Gr. Plani not glaucous; si. siriate-angled ; lower ba. 

 ovate, obtuse, repand-toothed, upper 3 to 5-lobed, somewhat hastate ; hda., corymbs 

 and fls. as in the preceding (of which it seems to be a variety). — Swamps along 

 the Chattahoochie, Fla. Plant 2 to 3f high. May. 



5 C. tuberosa Nutt. Si. angular-sulcate; Ivs. oval or ovate, strongly 5 to 7- 

 veinod, obtuse or subacute, entire or repand-denticulate, not glacous, lower ones 

 tapering into long petioles, upper ones on short petioles ; hds. in compound cor- 

 ymbs. — Marshes, W. States. St. 2 to 55high, branched above. Lvs. rather thick, 



3 to 7' long, f as wide, veins converging to the apex. Hds. oblong, 5-leaved and 

 5-flowered, white. May. — Jl. ^ 



6 C. ovata EIL St. terete; lvs. glaucous beneath, 3 to 5-veined, ovate and oval, 

 entire or undulate-margined, contracted at base into petioles ; corymb fiistigiate. — 

 Macon, Ga. (Mettauer), Ala., Fla., in moist woods. St. smooth, glaucous, 3 to 4f 

 high. Lower lvs. on long petioles, rather obtuse ; upper ones nearly sessile, 

 rather aoate. Scales broad-linear, acute. Jl. — Aug. 



7 C. lanceol^ta Kutt. St. terete; lvs. glaucous beneath, 3-veined, lanceolate amd 

 lance-linear, entire or with few sharp teeth, lower tapering to petioles, upper 

 sessile ; corymb simple. — Wet grounds, Ga. ]?la. St. 4 to 6f high. Lvs. below 



4 to 6' long, diminishing upwards. Scales linear, acute. Aug., Sept. 



8 C. ooooinea Curt. Tassel Flower. Radical lvs. ovate-spatulate, cauline 

 amplexicaul orenate ; invol. ovate-cylindric, scales linear, at length reflexed ; ach. 

 dilate ; pappus in several rows. — A pretty garden flower, native of the E. Ind., 

 &o. St. If or more high. Fls. bright scarlet. Jn. — Sept. A bed or patch sown 

 thickly makes a fine appearance. (Emilia sagittata, DC.) 



85. CINERARIA, Loss. (Lat. cinereus, ash-colored ; for its soft, 

 white down.) — Hds. radiate ; rays pistillate ; invol. scales in one row, 

 scarions on the margin ; recept. naked, flat ; ach. beakless, obcom- 

 pressed ; papp. capillary. — Greenhouse shrubs with mostly alternate 

 leaves. 



1 C. amelloldes Willd. Leaves opposite, ovate, smooth; peduncles each 

 bearing a single head with blue rays< — Shrubby, 2 to 3f high, f S. Africa. 



2 C. speciosa Schrad. I/vs. alternate, reniform, denticulate, on inflated 

 petioles ; hds. in a simple raceme terminating the simple stem, with yellow rays. 

 —Shrub 4 to 6f high, f Siberia. 



3 discolor Willd. Lvs. alternate, oblong-lanceolate, acuminate, denticulate, 

 smooth, white beneath ; hds. corymbous, with yellow rays. — Shrub 3 to 4f high, 

 f Jamaica. 



4 C lanata Willd. Lvs. roundish, 7-aDgled, cordate, «!ooKj/ beneath ; hds. 

 solitary on eacli peduncle ; rays white within, of a vivid purple outside. — f Ca- 

 naries. Very beautiful. 



5 C. populifolia H. K. Lvs. somewhat angular, cordate, downy beneath, the 

 petioles appendaged; hds. corymbous; rays red. — The florists have produced 

 many hybrids of superior beauty ; as the Bosy Morn, Jenny Lind, Vicar of Wake- 

 field, &c. 



86. SENE'CIO, L. Groundsel. (Lat. seraea;, an old man ; the word 

 is synonymous with Erigeron.) Involucre of many equal scales or 

 invested with a few shorter ones at base ; flowers all tubular, ii , or 

 usually radiate and rays ? ; receptacle not chafiy ; pappus simple, cap- 

 illary and copious. — A vast genus embracing 600 species of herbs and 

 shrubs. Lvs. alternate. Fls. mostly yellow, exceeding the invol. 



§ Heads discoid. Root annual No. 1 



I Ue^ds radiate. — Ivadical leaves undivided. Achenia glal)roii3 Nos. 2, 3 



— Radical leaves undivided. Achenia pubeac^uit Nt«. 4, S 



— Radical leaves divided, as well as the cauline Nos. 6—8 



1 S. vulgaris L. St. paniculate, erect, angular; lvs. sinuate-pinnatifid, dentate, 

 amplexicaul. — Q A weed growing about houses, in waste grounds, i-ubbish,'&a 

 N. States. St 18' high, leafy, branching, generally smooth. Lvs. alternate, thin, 



