326 



HIPPOCASTANE^. 



[part II. 



claws. This species has sometimes eight sta- 

 mens. In the Yellow Horse-chestnut, or yellow 



flowered Ameri- 

 can Buckeye, 

 the upper petals 

 {a mjig. 131) 

 are very much 

 smaller than the 

 lower ones (^), 

 and both have 

 very long claws. 

 There are four 

 petals, which 

 conceal the sta- 

 mens, of which 

 there are fre- 

 quently only six. 

 The seed of Pa- 

 via has only a 

 small hilum, 

 which resembles 

 the pupil of an 

 eye (see Jig, 

 132); and hence 

 the genus has re- 

 ceived its Ame- 

 rican name of 

 Buckeye. In 

 one species (P. 



Fig. 130. — Scarlet Horse-chestnut. 



Fio. 131. — Yellow Hors£-cu£stnut. 



