KEY TO PLATE XLVl 



^gopod(untPod<igfaria, L.)^ 



a. Flower, with 5 sepals and 

 Jpetals alternately, also 5 sta- 

 mens and pistil." #i Partial 

 umbel with fruits imnwittire. 

 c. Section of fruit, showing 

 2 carpels 5-anglerf.- </, Fruit, 

 schizocarp, of 2 meriewlMJ 

 w^ii \2 persistept styles. -^J^ 

 U|»per pafrt of Ibnt, with teir- 

 nate^ leaves and flowers in 

 compound uml 



No, 3. Tansy .- 

 'anacetum ■onlgdre^'b^ 



ayweed 



{Anthem A Co tula, L, 



a, Ligulate on jwf ffoTti^' (i 

 male), b, TiJbjwar or dii 

 flerfki, with scale. <-, Achen^ 

 v^t)lff(i| pappus, d. Neuter 

 ^y^lj^^t-^.?,- fjpper part S^^""^V 

 ^rajl^«^rf alternate 2-pt^2=si)cl 

 natifid teflves and flowerheao'v^v^^ 

 with yellow disk and bisexual 

 fleets, and white ray florets, 

 - female or jCfjjter. 



<r«*ol|i^ "disk Jtei^t, 7^ 

 >rti^thed, mala, i, ir^btilar 

 ^y^flpret, j-toothed, female. 

 " * " pije, without pappus.. ' 

 ^-'■-itt of plant, w'HTi' 

 /^teiHiare leav«s, - 

 niiij corwpb«- ', 

 "lif jJtjtS ili' 



wo. S- hjurdock 

 {Antrum viirhtk, Bernh.) 



3, FKj?a, with -bell-shaped 

 corolla, and iivfcnor achene 

 tttth short pappus. /', AeJ^^ 

 c, Bracts froni.invoiaC|re, witR 

 hooked; tips, d, Up{>^r pan 

 of (^nt, with upper s 

 iiiv^ and fio'.vtrhoads, 

 ipinose involucre, in theaxilS; 

 nctme 



'No; 6,' Musk Thistle 

 '^Oirduiis fiuians, \^)t- 



^<i,tdbil?(r^<et,--?yith achene.j' 

 ^and maOyi.'iertate pappus. M^ 

 Achene, with pappus. c^. 

 Upper p,irt of plant, with' 

 leaves with . spii^ous teeth, 

 drpoping flowerheads. 

 ^Uty spreading Jiivol- 

 vith \p"pinems phyllariesi : 

 ijer bn^s turiied >a^te^ 



