453. MARGARITA Gaud. Calathus solitarius multiflorus heterogamus 
e pedunculo radicali : floscali radii foeminei lingulis apice 3-dentatis involucro 
longioribus, disci hermaphroditi tubolosi limbo acute 5-dentato : involucrum 
subcampanulatum, squamis linearibus adpressis biserialibus : achenia obovata 
compressa dorso subcarinata pilosa: pappi sessilis setae simplices numerosae 
i-seriales scabridae: receptaculum conicum. Compositae-Asteroideae DC. 
454. DORONICUM L. Calathi grandes multiflori heterogami solitarii ter- 
minales: flosculi radii foeminei lingulis 2-3-dentatis vel integris involucro lon- 
gioribus , staminibus abortivis quandoque concomitatis , disci hermaphroditi 
corollulis tubulosis, limbo 5 -fido : involucrum late campanulatum squamis li- 
neari-subulatis alternis 2-serialibus: achenia oblunga polygona radii nuda disci 
papposa: pappi sessilis setae numerosae simplices rigidae scabrae pluriseriales: 
receptaculum villosum. Compositae-Senecionideae DC. 
** Receptaculo nudo: pappo marginato vel nullo. 
455. BELLIS L. Calathus multiflorus heterogamus solitarius in pedun- 
culo radicali : flosculi radii foeminei numerosi 1-2-seriales lingulis 2-3-den- 
tatis, disci hermaphroditi tubolosi , limbo 4-5-fido: involucrum hemisphaeri- 
cum squamis foliaceis oblongis aequalibus adpressis 1 -2-serialibus = achenia 
obovata compressa laevia : receptaculum alveolatum conicum, cono in fructu 
evoluto. Compositae-Asteroideae DC. 
456. CHRA’SANTHEMUM iS/m7/i. Calathi grandes vel mediocres multiflori 
heterogami caule ramisque terminales : flosculi radii lingulati, lingulis oblon- 
gis sub-3-dentatis, involucro duplo triploque longioribus, disci tubolosi limbo 
5-fido: involucrum bemisphaericum, squamis inaequalibus pluriseriatim-imbri- 
catis margine scariosis : achenia obtusa 5-10-costata discoidea nuda, radialia 
brevi vel brevissime marginata: receptaculum alveolatum subconvexum. Com- 
positae-Senecwnideae DC. 
457. XANTOPHTALMUM Schult. Calathi grandes vel mediocres multi- 
flori heterogami caule ramisque terminales: flosculi radii lingulati, lingulis ob- 
longis profonde 2-dentatis, disci tubolosi limbo 5-fido: involucrum hemisphae- 
ricum basi umbilicatum , squamis inaequalibus ovatis concavis margine sca- 
riosis pluriseriatim-irnbricatis: achenia brevia obtusa, radialia margine 2-alata 
facie externa 3, interna 4-5-costata , discoidea simpliciter 10-costata, costis 
jamdudum obtusis: receptaculum alveolatum. Ord. nat. ut in Chrysantuemo. 
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