SYNGENESrA. ^^ 



S Matricaria 3 Feverfew 



75 Senecio 8 Groundsel 



30 SoLiDAGo 3 Golden-rod 



9 Tanacetum I Tansy 



14 TvssiLAGo 3 Colts-foot 



ORDER 3. 



BLUE BOTTLE. This is the only British Genus pqlyga- 



of this Order. The genus consists of seventy-seven pj^ustra 

 species, of which, six are natives of Great Britain. ^ea. 



This species is common in corn-fields, and is a good The central 



example of this Order. It blossoms in June and in'^'both'^''^* 



the two succeeding months, and the petals are of a [Ifi'c'atioa"^"*^ 



beautiful blue colour, though sometimes, white, and ^^,^1^'tffosg 



pUlT)le. iuueei.cuin- 



•t * tereiice ..ave 



The flowers of the changeable Rose-hibiscus, Hi ■ "either sta- 



. . ™., • nor 



liscus viutabilis, are remarkable for altering their PisUiu. 

 colour. At their first expansion they are white ; they 

 then change to a deep red, or rose-colour, which as 

 they decay turns to purple. In the West Indies all 

 these alterations happen in the course of one day, 

 which in those hot countries is the longest duration 

 of these flowers J but in England, where they con- 

 tinue near a week in perfection, the changes are not 

 so sudden. 



Among vegetables colour is so uncertain^ that Lin- 

 c 



