104 GENEVA IN CLASS XIX. SYNGENESIA. 



Pteronia... Stob;ea... Lachnospermum...Barnadesia...Cynara 

 («r^c/io/:e)...JoHANNiA...CNicus...CARDUUs (thistle).,, Onoseris... 

 Stokfsi*...Liatkis...Vernonia...Onopordon (cotton-thistle). 3, 

 Discoidei, all the corollets tubular, erect -parallel, flattish at the tip, 

 dense, which contains twenty-four genera; Stehjelina...Haynea 

 ...Calea (h ilbert-weed)... Bideus (bur -mary gold). ..Spilanthes,.. 

 An than as i Santo una (lavender-cotton)... CiEsuu a... Tarcho- 

 nanthls (African jleabane)... Kuhnia...Eupatorium (hemp agi'i- 

 mo»y)...CHRysocoMA (golden locks)... Milkania...Kleinia...Ca* 



CALIA... LAVENIA...AGERATUM...STEVIA... HyMENQPAPPUS...C£- 

 PHAL0PHQRA...PeNTZIA...EtHULIA...PiQ>UERIA...BaLSAM1TA. 



Order 2. Polygamia superflua, comprehends such plants as 

 have the florets of the disk bisexual, and those of the radius female. 

 This order contains sixty-one genera, distinguished by, 1. Discoidei, 

 corollets of the ray obscure or none, which contains ten genera ; Arte- 

 misia (southernwood, wormwood, mwgworf )....Carpesii jm... Tan a- 

 CETum (tansy) . . .Cotul a . . .Bacch aris. . .Conyz a (Jleabane) . . ,Gna~ 



PHALIUM (CM^(?e(i)...ELICHRYSUM...XERAN T THEMUM...ANACYCLUS. 



2. Semiflosculi, subbilabtati, subbilabiate, which includes two 

 genera; Denekia...Perdicium. 3. Raoiati, corollets of the disk 

 fioscular, of the ray ligulate, which contains forty-nine genera; 

 Madia. ..Bellis (daisy)... Matricaria... Lidbeckia... Chrysan- 

 themum (ox-eye daisy, corn-marygold) . . . Pyrethrum (feverfew) . . . 

 Columellia...Doronicum (leopard's tee). ..Arnica. ..Inula (ele- 

 campane, Jleabane)... Erigeron (flea bane)... Solid ago (goldenrod) 

 .Cineraria (jleawort)... Sekkcio (groundel,ragwort)...TvssiLAGQ- 

 ...Aster (starwort)... Boebera... Mutisia... Bellium... Actinea 

 ...Tagetes... Helenium ... Pectis... Schkuhria... Heterosper- 

 mum... Bolton 1 a ... Leysera ... Seigesbeckia... Ecliptra...An- 

 themis (chamomile).,. Achillea (milfoil)... Tetragonotheca... 

 Ximenesia...Phaethusa...Georgina... Relhania... Pascalia... 

 Buphthalmum (ox-eye).., Rhanterium... Sanvttalia...Amellus 

 ...Tridax...Rosenia...Verbesina... Schlechtendalia... Galin- 

 £o£Ea. .. Zinnia. ..Balbisi a. ..and Starkea. 



