20 CLASS XVIII. ORDER XL 



stem solid glabrous- %, p. — florets 3 to 5.^*f«- 

 silifolium^ leaves clasping dotted beneath. 2/, w. — 

 verbenifolium, leaves sessile, florets 5, calyx hairy^ 

 71' w. 



MiKANiA* Calyx 4 or 6-leaved, equal ; 4 or 6- 

 flowered; receptacle naked: egret pilose. 49. 55— 

 scandens (climbing boneset) stem glabrous, leaves 

 cordate spread-toothed, vv. 



Cacalia. Calyx cylindric, oblong ; somewhat 

 calycled at the base : receptacle naked : egret pi- 

 lose. (Leaves mostly succulent.) 49. 55 — suaveo^ 

 iens (wild caraway) leaves hastate-sagittate. %. w, 

 <-^ai7'ifilicJfoliay radical leaves cordate, stem-leaves 

 deltoid. %. w — reniformis, radical leaves repand- 

 toothed. %. yf. 



Order II. Polygamia Superflua- 



A. Flowers discoid. 



Conyza. Calyx imbricate with scales sub-linear 

 ovate ; or hemispheric and sul>scarious : egret 

 simple, capillary : receptacle naked. Florets of 

 the ray with a 3-cleft border, not composing a ray 

 in appearance. 49. SS-^camfihorata^ (plowman's 

 wort) leaves lance-ovate sessile, corymb crowded, 

 g), p.^-^bifronsf leaves spatulate clasping. %. 



GnaphaliuMc Calyx imbricate, with the mar- 

 ginal scales rounded, scarious, shortish, glossy, co- 

 loured : receptacle naked : egret pilose or plumose. 

 (Florets often all perfect.) 49. 55 — plantagineumy 

 (mouse-ear, life everlasting) small, corymb com- 

 pact, root-leaves spatulate, shoots procumbent, di- 

 oecious. Jl.w.^-margaritaceum, (common life ev- 

 erlasting) leaves lance-linear acuminate, corymb 

 fastigiate, odour pleasant. 2/ . w — uliginosum, (cud- 

 weed) stem much-branched, leaves lance-linear 

 tapering to both ends, racemes terminal crowded* 

 0. w. 



