PLATE 



CIX. 



CHRYSANTHEMUM TRICOLOR 



Three-coloured Corji-Marygold. 



CLASS 



XIX. 



ORDER 



11. 



SYNGENESU, POLYGAMIA SUPERFLUJ. Tips united. Superfluous Pointals. 



GENERIC CHARACTER. 



Calyx. Communis haemifphaerlcus, imbricatus ; 

 fquamis arfte Incumbentibus^ interioribus 

 per gradus majoribus, margine fcariofis3 in- 

 timis terminatis fquama fcariofa. 



Corolla. Compofita radiata, CoruUulae her- 

 maphroditae tubulofse, numerofae, in difco; 

 femineae duodenis plures^ in radio. 



Propria hermaphroditis infundibuliformis, 

 quiuquefida^ patula^, longitudine calycis. 



Femlneis ligulata, oblonga, tridentata. 



Stamina* Hermaphroditis filamenta quinque, 

 capillaria, breviffima. Anthera cylindracea^ 

 tubulofa, corolla fere brevior, 



PisHLLUM. Hermaphroditis, germen ovatum. 

 Stylus filiforrais, ftaminibus longior. Stig- 

 mata duo, revoluta. 



Femlneis germen ovatum. Stylus filiformis, 

 cum hermaphroditis aequalis. Stigmata duo, 

 obtufa, revoluta, 



Pericarpium nullum. Calyx immutatus. 

 Semina. Hermaphroditis folitaria, oblonga. 



Pappus nullus. 



Femineis iimillima hermaphroditis. 



Receptaculum nudum, pun6latum, convexum. 



Empalement, Common, hemifpherical, tiled; 

 fcales lying clofe upon each other ^ the in- 

 ner ones becoming gradually larger, ikinny 

 at the edge; the innerraoll terminating in a 

 Ikinny fubllance. 



Blossom. Compound radiate. Florets with 

 chives and pointals, of the centre, tubular 

 and numerous 3 thofe with only pointals, of 

 the ray, twelve or more. 

 Indi'vtduah with chives and pointals, fun- 

 nel-fliaped, five- cleft, open, the length 



of the cup. 



Indi'vlduah with only pointals, Hgulate, ob- 

 long, with three teeth. 

 Chives. Thofe with chives and pointals have 

 five, hair like, very Ihort threads. Tips cy- 

 lindrical and tubular, fcarcely fliorter 



than the bloffom. 

 PoiNTAL. Seed-bud, where there are chives and 

 pointals egg-ihaped. Shaft thread-fhaped, 

 longer than the chives. Summits two, rolled 



Seed' bud where there are only pointals 

 egg-fhaped. Shaft thread-lhaped the lengtli 

 of thofe where there are chives and poin- 

 tals Sunamits two, blunt and rolled bacfc. 



Seed-vessei- none. Cup unchanged. 



Seeds of thofe with chives and pointals folitaty, 

 oblong. Feather none. _ ... 



Thofe where there are only pointals nw 



the others. 

 Receptacle naked, dotted, and convex. 



SPECIFIC CHARACTER. 



Cbryfanthemum crithmi 'foliis ; fquamis exteri- 

 oribus calycis carinatisj floribus folitarlis, 

 tricoloratis. 



Corn-Marygold with famphire-like leaves^ n« 

 nnfpr fr^^lp? of the CUD kecl-lhaped; ^ 



outer fcales of the cup 



outer icaies oi mc cuj^ *v^-* - j. j 



flowers grow folitary and are three-colourea. 



REFERENCE TO THE PLATE. 



1. An outer Scale of the Empalement, 



2. An inner Scale of the Empalement. 



3. A female Floret of the Circumference, with its Pointal 



5. The above, magnified. 



7. 



An hermaphrodite Floret of the Center. 



The Chives of an hermaphrodite Floret, magnified. 

 Tlw Pointal of an hermaphrodite Floret, magnified. 



8. The Receptacle, natural fize. 



800 



Me. James Bonn, Curator ot the Botanic Gardens, Cambric 

 new fpecies of Crylanthemum, informs us, in his catalogue 



Barbary and from whence it was firft received in 1797. .„. ^, — 



fhould be nufed on gentle heat about March, and may be either kept in pots, or planted in 

 borden. where it will flower from July till Oaober j but much of the brilliancy of the flowe 

 loitt it treated in th?* ]ri{t rmr^n^*. ^«'*u_ i-_rt . .» 1 _ will afteft thei 



i 



hofe medium ^^e pc'^"*'" ^^ 

 t it is a native of th< 

 The C. Tricolor is but of ^^-^^,^. 



coaft 



wtb, 



f.^ treated in the laft manner, as the leaft wet, or even the dew, >,». c ^ . . , _^ 



fteds arc perfeaed in Ids than a week, after the decay of the flower, and are produced in abj^^^ 

 Uur figure was taken from a plant in the Hnmmprfn.Wh rv„rfi»r.. whtrh had been raifed it^ 



will be 

 T 



,ndatt^ 



communicated 



