an 



Crucifera' : the flowers are about c<|iuilly divided into 

 white, yeUow or purple colored. 



(^enuilaced' : Pelargoniuu), thirteen yellow species, hii- 

 l)atiens and Oxalis, Tropteokun, etc 



liitbkicea',: Palicourea, a genus of one hundred species 

 with elongated tubes, mostly yellow or white, never 

 blue I Rondeletia, many yellow and white ; yet 

 Houdonia of this family has thirteen species and 

 varieties, small flowered, all blue or purple. Boh- 

 vardia has some yellows. 



Liihiatw has many yellows in Sideritis, (kdeopsis, G(de- 

 obdohn, Sfach//s, PJdomis, Leonotis, Teucriuiii, 

 Ilyssopiia, /Salvia aurea, S. glntinosa, iS. indica, )S. 

 officinalis, etc. ; on the other hand Mentha and Thy- 

 mus l)ear small, puri)le flowers and not a single 

 yellow one ! On the whole, purple and blue far 

 exceed all others. 



Iridem: Gladiolus, Iris, Ixia, etc. 



(Japrifoliacem : Lonicera, a dozen or more yellow flowered 

 species. 



Canjophyllacece, : yellow flowers are scarce, but Silene has 

 three s})ecies, Saponaria one, and Dianthus one, and 

 doubtless there are others. 



Cucitrbitacea' : largely monopetalous, and even bell shaped 

 are quite generally yellow as in pumpkin, cucumber, 

 watermelon, etc. 



Borraginacea' : flowers largely pur})le or blue, or chani>- 

 ing from pink to blue, yet Amsinckia, Onosi/ia, Lilh- 

 osperinium section Batsdiia, all yellow or orange ! 



Rosacem: Rose, the Queen of Flowers, has yellow species 

 and other genera yellow. 



Compo.sita' : native composite flowers have rifty [)er cent, 

 more yellow flowered than purple flowered species ! 

 This family probably has more yellow flowered spe- 

 cies than all others of the family put together. 



