Oenothera Alhida. 349 



§ 15. OENOTHERA ALBIDA. 

 (Plates III and IV.) 



A beautiful but delicate species which is very slow in 

 growing as a seedling and is for that reason very easily 

 recognized. See Fig. 48 on p. 280 and Fig. 72 on p. 342. 

 These weak plants are at a great disadvantage when 

 growing among the much stronger seedlings of the parent 

 type; and it is only very rarely that I succeeded in 

 getting them to flower. 



It was in 1895 (as has already been stated in § 3, 

 p. 229) that I first succeeded in getting a rosette to sur- 



Fig. 75. Oenothera alhida. Young seedlings; A, with 

 the first two leaves ; B, two months old. 



vive the winter ; it was on it that I first saw the flowers 

 of the new species, but I got no seed from it. Before 

 this I had seen alhida almost every year and in no in- 

 considerable numbers, but thought they were merely 

 sickly individuals and had taken no further account of 

 them. That is why the records that follow are confined 

 to the period 1895-1900. 



The young alhida plants are so delicate that it is only 

 by the exercise of the greatest care that they can be kept 



