DicoT-YLEDONS. — coMPOSiT.^i:. Clirysantfiem. 243 



A.iripolmm). Receptacle naked. Florets o( the ray more 

 than 10. Pappus simple. 



1, A. Tripnl'ium, stem glabrous corymbose, leaves linear-lanceo- 

 late fleshv obscurely 3-nerved, scales of the involucre lanceo- 

 late membranous obtuse imbricated, p. 244. — Salt marshes. 

 30. SOLIDAGO. 



Involucre imbricated, its scale<i connivent. Receptacle naked. 

 Florets of the rai/ (of the same colour as the disk) about 5. 

 Pappus rough. 



1 . S. Firgaurea, cauline leaves lanceolate, the lower ones ellipti- 

 cal, racemes panicled erect crowded, p. 245. — Mountain pas- 

 tures. 



31. INULA. 



Involucre imbricated. Receptacle naked. Florets of the ray 

 very numerous, linear. Anthers with 2 bristles at the base. 

 Pappus sometimes simply composed of hairs, sometimes dou- 

 ble ; the ext. membranous. 



1. I. Helenium, leaves amplexicaul somewhat toothed ovate rug- 

 ged downy beneath, scales of the involucre downy, p. 245, — 

 IVaste places about buildings. 



2. I. dysenterica, leaves oblongo-cordate amplexicaul rugged 

 downy, stem woolly panicled, scales of the involucre setaceous. 

 p. 245. — Moist places. 



3. J. crithmoides, leaves linear fleshy generally 3-pointed./j.245. 

 — Sea -shore. 



32. DORONICUM. 



Scales of the involucre in 2 equal rows, longer than the disk. 

 Receptacle naked. Pericarps of the disk crowned with a sim- 

 ple pappus, those of the ray without a pappus. 



1. D. Pardalianches, leaves cordate repando-dentate, radical 

 ones petiolate, cauline ones amplexicaul. p. 245. — Fields and 

 hedges. 



33. BELLI S. 



Involucre hemisphserical, its scales equal. Receptacle naked, 

 conical. Pappus none. 



1. B. perennis, scape naked single-flowered, leaves obovate ere- 

 nate. p. 246. — Pasl2ires. 



34. CHRYSANTHEMUM. 



Involucre hemisphEerical, imbricated with scales whose larders 

 are uiembranous. Receptacle naked. Pappus none. 



1. Ch. Leu cant hem U7n, leaves amplexicaul oblong obtuse cut 

 pinnatihd at the base, radical ones obovate petiolate, s'tem 

 erect branched, p. 240. — Dry pastures. 



2. Ch. segetum., leaves amplexicaul glaucous inciso-serrate above 

 toothed at the base. p. 24fj. — Corn-fields. 



{^ 2] 



