Pyrethmm.] SYNGENESIA — SUPERFLUA. 287 



the disk yellow, of the ray usually purple, and in I or 2 rows. 

 — Name, — Aster, a star, which the flowers resemble. 



Q^. Senecio. Pappus pilose. Receptacle naked. Involucre 

 cylindrical, its scales linear, equal, with several smaller ones at 

 the base, their tips often brown. — (Floioers,'m the British species, 

 yellow, their ray sometimes wanting.) — Name, from seiiex, an 

 old man. (See Erigeron.') 



35. Cineraria. Pappus pilose. Receptacle naked. Involucre 

 cylindrical, of many equal, erect scales. (Flotvers yellow). — . 

 Name, — eineres, ashes ; from the ashen colour of the underside 

 of the leaves in some species. 



36. SoLiDAGO. Pappus pilose, rough, in 1 row. Receptacle 

 naked. Involucre closely imbricated. Florets of the ray few, 



in 1 row, and as well as those of the disk, yellow. — Name, 



solidari, to unite, from the vulnerary properties that have been 

 attributed to some species. 



37. Inula. Fruit he^Ved. Pappus ^'\\o%e,\n \ vow. Recep- 

 tacle naked. Involucre imbricated. (Floioers yellow. Anthers 

 with bristles at their base.) — Name said to be the same as 

 Helenium, having sprung from the tears of Helen. 



38. PuLiCARiA. Fruit not beaked. Pappus double : outer 

 owe short, cup-shaped, membranous, toothed ; i7iner pilose, rough. 

 Receptacle naked. Involucre hemisphaerical, closely imbricated, 

 with numerous scales. {FloiversyeWow. /4«^^er5 with bristles at 

 their base). — Name, — pulex, a Jlea, which is supposed to be 

 driven away by its powerful smell. 



39. DoRONicuM. Pappus ^WosQ, wanting to the florets of the 

 ray. Receptacle naked, or nearly so. Involucre with the scales 

 equal, in a double row. (^Flotvers yellow). — Named from ba^^ov, 

 a gift, and vr/.ri, victory, because it is said to have been formerly 

 used to destroy wild beasts. 



** Pappus chaffy or none. 



40. Bellis. Pappus none. Receptacle naked, conical. In- 

 volucre hemisphserical, its scales obtuse, equal, in a single row. 

 {Scape single-flowered) — Named from hellus, pretty. And who 

 is there, Avhether in youth or in age, that is not sensible of the 

 charms of this " modest crimson-tipped flower?" It is there- 

 fore, in France, called Marguerite, a term expressive of beauty, 

 from margarita, ^ pearl. 



41. Chrysanthemum. Pappus 0. Receptacle naked. Invo- 

 lucre hemisphserical or nearly flat ; the scales imbricated, mem- 

 branaceous at their margins — Name, — xpikto;, gold, and a]/&o;, a 



Jiower, from the colour of the blossoms in some of the species. 



42. Pyrethrum. Fruit crowned with a membranaceous 



