— 634 — 



453. MARGARITA Gaitd. Calathus solitarius multiflorus heteroganius 

 e pedunculo radicah : floscuH radii foeminei Hnguhs apice 3-dentatis involucro 

 longioribus, disci hermaphroditi tuhulosi hmbo acute 5-dentato : invoUicrum 

 suhcampanulatum, squamis Hneari])us adpressis biserialihus : achenia ohovata 

 compressa dorso suhcarinata pilosa: pappi sessiHs setae simpHces numerosae 

 1-seriales scahridae: receptaculum conicum. Compositae-Asteroideae DC. 



454. DORONICUM L. Calathi grandes multiflori heterogami solitarii ter- 

 minales: flosculi i'adii focminei lingulis 2-3-dentatis vel integris involucro lon- 

 gioribus , staminibus abortivis quandoque concomitatis , disci hermaphroditi 

 corollulis tubulosis, limbo 5-fldo : involucrum late campanulatum squamis li- 

 neari-subulatis alternis 2-serialibus: achenia ohlonga polygona radii nuda disci 

 papposa= pappi sessiHs setae numerosae simplices rigidae scabrae pluriseriales: 

 receptaculum villosum. Compositae-Senecioxideae DC. 



** Receptaculo nudo: pappo marginato vel nullo. 



455. RELLIS L. Calathus multiflorus heterogamus solitarius in pedun- 

 culo radicali : flosculi radii foeminei numerosi 1-2-seriales lingulis 2-3-den- 

 tatis, disci hermaphroditi tubulosi , limbo 4-5-fido: involucrum hemisphaeri- 

 cum squamis foliaceis oblongis aequalibus adpressis 1-2-serialiljus = achenia 

 obovata compressa laevia : receptaculum alveolatum conicum, cono in fructu 

 evoluto. Compositae-Asteroideae DC. 



456. CHRYSANTHEMUM 5»«//«. Calathi grandes vel mediocres multiflori 

 heterogami caule ramisque terminales : flosculi radii lingulati, lingulis oblon- 

 gis sub-3-dentatis, involucro duplo triploque longiorihus, disci tubulosi limho 

 5-fido: involucrum hemisphaericum, squamis inaequalibus pluriseriatim-imbri- 

 catis margine scariosis : achenia obtusa 5-10-costata discoidea nuda, radialia 

 brevi vel brevissime marginata: receptaculum alveolatum subconvexum. Com- 

 positae-Senecionideae DC. 



457. XANTOPHTALMUM Schult. Calathi grandes vel mediocres multi- 

 flori heterogami caule ramisque terminales: flosculi radii lingulati, lingulis oh- 

 longis profunde 2-dentatis, disci tubulosi limho 5-fido: involucrum hemispliae- 

 ricum hasi umbilicatum , squamis inaequalihus ovatis concavis margine sca- 

 riosis plunseriatim-irnbricatis: achenia brevia obtusa, radialia margine 2— alata 

 facie externa 3, interna 4-5-costata , discoidea simpliciter 1 0-costata, costis 

 jamdudum obtusis: receptaculum alveolatum. Ord. nat. ut in Chrysantiiemo. 



