GENERA. Ixix 



435. BELLIDIASTRUM. Phyll. in 2 rows, linear, acute, somewhat leafy. Ileccpt. 

 conical, naked, dotted. Seeds oblong, slightly compressed, somewhat striato-spinulose. Crest 

 of nnmerous, flexnose hairs, p. 198. 



436. BELLIUM. Phyll. oblong, in 2 rows. Recept. ovoideo-conical, naked. Fits, of 

 Disc usually 4-toothed. Seeds compressed, rather downy. Crest of 4 or 5, membranous, trun- 

 cate scales, and as many setaj. Both these genera resemble the Daisy, p. 198. 



437. BELLIS. Cal. campanulate or hemispherical. Phyll. subacute, equal. Recept. conical, 

 naked. Seeds compressed, obovate. Crest 0. L.obovate, undivided. Fl.-stalks simple, p. 198. 



438. ERIG-BROD-S". Rays numerous, in many series, very narrow. Recept. naked, dotted. 

 Seeds compressed. Crest of rough hairs. Stem erect. L. simple, undivided, p. 198. 



Tribe III. GALLINSOGE^. 



439. BIDENS. Phyll. in 2 rows. Rays usually wanting. Recept. nearly flat, chaffy. 

 Tuft of Glands of Stigma conical. Seeds crowned with about 3 spines armed with backward 

 prickles. Seeds nearly oval, obcompressed, p. 199. 



440. GALLITrSOGA. Cal. hemispherical, of 5 or 6 phyllaries. Rays about 5. Recept. 

 chaiFy. Seed angular. Crest of acuminate, feathered scales, p. 199. 



Tribe IV. ANTHEMIBEM 



A. Receptacle chaffy. 



449. XiOTsTAS. Cal. tUed, campanulate. Recept. conical. Rays wanting. Seed cylindri- 

 cal, furrowed, wingless. Crest a small, oblique, entire, membranous crown, p. 206. 



451. PLAG-IUS. Cal. tiled, campanulate. Recept. flat. Rays 0. Seeds angular, on a 

 lengthened callus. Crown scariose, one-sided, p. 206. 



452. SATfTOLIKTA. Cal. closely tiled. Rays usually wanting. Tube of Fits, of Disc 

 prolonged at base into a ring or hood. Seed without crest or crown. Shrubby aromatic plants. 

 L. loith short pinna; or teeth, p. 206. 



453. DIOTIS. Cal. closely tiled. Rays 0. Tube of Pits, with 2 wings and 2 obtuse 

 spurs. Seed without crest or crown. A shrubby plant, thickly covered ivith ichite wool. p. 207. 



These four genera, by an error which I did not discover till too late, have been placed and 

 numbered in the description of the species, among those with a naked receptacle. 



441. ANTHEMIS, Cal. hemispherical, tiled. Phyll. nearly equal, scariose on margin. 

 Recept. convex. Rays oblong. Fits, of Disc regular. Seed not winged, or with a very narrow 

 wing. Bitter, aromatic plants, with finely divided L. Bays white {yellow 2m A, tinctoria). 

 Disc yellow, p. 199. 



442. ANACYCIiTTS. Cal. somewhat campanulate, tUed. Recept. convex. Tube of 

 Florets of Disc with 2 wings. Rays oblong. Seeds obcomi)ressed, bordered with an entire 

 wing, which is connected with the crown. Rays sometimes wanting. Hardly distinguished in 

 habit from Anthemis. p. 201. 



443. ACHILLEA. Cal. ovoid, campanulate or oblong, tiled. Recept. narrow. Rays 

 nearly circular. Fits, of Disc with a winged tube and 5 equal teeth. Seeds often bordered. 

 Bitter, and often aromatic plants, with numerous corymbose Fl. p. 202. 



B. Receptacle naked. 



444. PYEETHBUM. Cal. tiled, campanulate. Recept. convex or hemispherical. Rays 

 in a single row. Seeds not mnged ; those of Disc with a tobthed crown. Rays vjhite. Disc 

 yellow. L. divided, p. 204. 



445. LEUCANTHEMUM. Cal. broadly campanulate, tiled. Margin of Phyll. mem- 



