462 



Sxucofvloiis Races. 



(Fig. 92), and also in Chciiopodinm album, Thrbicia 



Jiirta, etc. 



Between svncotyly and disturbances in the normal 

 arrangement of leaves in the later life of a plant, there 



\/ 



/ 



Fig. 93. Cannabis sativa. A, a seed- 

 ling which unfolded its cotyledons 

 in April, but up till June had formed 

 no plumule ; B, another with two 

 abnormally large and thick first 

 leaves, the terminal bud of which 

 underwent no further growth. Both 

 are from a culture, in the remain- 

 ing seedlings of which the length 

 of the stem had become 10-20 centi- 

 meters during the same time (1894). 



Fig 



94. Fagns syhatica. 

 Syncotylous seedling with 

 much elongated epicotylous 

 internode and abnormal 

 development of the plu- 

 mule. 



is a close connection, as there was in the case of tricotyly. 

 Frequently this disturbance is only a small one (Fig. 94) ; 

 but in species with a decussate arrangement of the leaves 

 or at anv rate of the first leaves, there often follows on 



