30 ENGLISH BOTANY. 



much larger, so that the anthodes are frequently radiant. Anthers 

 without basal appendages. Pappus of hairs or palese not united at 

 the base, persistent or separately caducous. Achenes attached to 

 the clinanth by the side near the base, but not by it. 



GENUS r/JZ— CENT AURE A. Linn. 



^ Pericline of numerous imbricated scales, generally with a ter- 

 minal appendage, which is sometimes scarious and then entire or 

 lacerated or pectinated, sometimes horny and spinous. Elorets of 

 the disk perfect, those of the circumference generally larger and 

 radiant, neuter. Eilaments free, papillose ; anthers without basal 

 appendages. Achenes oblong-ovoid, laterally compressed, smooth, 

 and without raised lines, attached by the side above the base ; 

 epigynous disk with an entire border. Pappus persistent or cadu- 

 cous, sometimes absent, or very short, sometimes of elongated 

 denticulated hairs, arranged in several rows, free at the base, the 

 internal row of shorter connivent hairs. Clinanth hairy. 



Herbs of very various habit, with the anthodes usually radiant, 

 the exterior florets mostly elongated and trumpet-shaped. Plorets 

 purple, rose, crimson, or blue, varying to white, or yellow. 



The name of this genua of plants arises from a fable, that with one of the species 

 the Centavir Chiron cured the wound in his foot made by the arrow of Hercules^ 



Section I. — JACEA. Cass. 



Phyllaries adpressed, with terminal appendages often pectinate, 

 not spinous, not decurrent upon the phyllary. 



SPECIES I— CENT AU RE A JACEA. Linn. 



Plate DCCV. 



Jip.kh. Ic. Fl. Germ, et Helv. Vol. XY. Tabs. DCCLIV, DCCLV. 

 Billot, Fl. Gall, et Germ. Exsicc. Nos. 284, 806. 



Stem not winged. Lower leaves oblanceolate, upper ones lance- 

 olate or oblong, entire or toothed or sinuate-pinnatifid. Anthodes 

 generally radiant, with a few floral leaves in the immediate vicinity. 

 Pericline globular ; appendages orbicular, concave, broader than 

 the phyllaries themselves, pale, laciniate or the lower ones laci- 

 niate-pectinate. Plorets purple. Pappus none. 



In meadows and by roadsides. Very rare, and doubtless acci- 

 dentally introduced. The onlv well-authenticated localities are 



