Oenothera Sublinearis. 



399 



§ 21. OENOTHERA SUBLINEARIS. 



This form differs from the last named chiefly by its 

 grass-hke leaves which are very narrow and of equal 

 breadth along their whole length (Figs. 85 and 86). The 

 foliage leaves are longer and markedly narrower ; the 



Fig. 85. Oenothera sublinearis. Two annual 

 plants, at the end of August 1900. A, with 

 out, and B with flower buds. 



Fig. 86. Oeno- 

 thera sublinearis 

 A radical leaf, 



1895. 



foliage on the stem is dense and not scanty ; the fruits are 

 short, and not slender as in O. ellipfiea. Although I have 

 had very few examples of this species so far, it is evi- 



