460 The Systematic Value of the New Species. 



stamens therefore not bent (see. p. 444) ; in the two latter 

 groups they project outwards and the androecium is mod- 

 ified correspondingly. In Lamarckiana the stigma ex- 



Fig. 105. Stem-leaves of Oenothera biennis (b) ; O. sua- 

 veolens (s) ; O. hirsutissima (h) ; O. cniciata (p) ; O. 

 muricata (m) ; to be compared with Fig 54 on p. 295. 



tends beyond the anthers ; it reaches the same level in the 

 other forms. 



