114 



MEMOIRS OF THE NEW YORK BOTANICAL GARDEN. 



existence of nearly a year in 

 darkness at the expense of 

 the food stored in the nut. 



Hicoria minima (Marsh) 



Britton. 



Nuts of Hico7-ia minima 



were placed in moist soil in 



the control chamber, and 



dark room on October i6, 



1901 . Three of those in the 

 dark room had germinated 

 and sent up shoots, one of 

 which had reached a length 

 of 12 cm. on January 4, 



1902. None of those in the 

 control chamber in illumi- 

 nation had shown activity 

 at this time. On April 16 

 five plants were to be seen 

 in the illuminated chamber 

 with stems 5 to 8 cm. in 

 length and bearing a num- 

 ber of reduced bract-like 

 leaves and two, trifoliate, 

 or simple laminae. At this 

 time the etiolated specimens 

 had attained a length of 

 25 cm., in some instances 

 bearing a single straight up- 

 right stem with the terminal 

 bud still active. The leaves 

 were simple and bract-like, 

 soon falling off. The lower 

 third of the stem had begun 

 to show a dark brown color 



Fig. 70. Hicoria mtmima. Eti- 

 olated shoot and terminal portion of 

 normal shoot 



