RESULTS OF PAL^ONTOLOGICAL RESEARCH 51 



2a 



practically survived as perfect examples or in the 

 form of larger connected fragments, but mostly are 

 found as separated portions of one and the same 

 plant at different places for instance the stem here, 

 the leaves yonder, 

 and the seeds and 

 fruit somewhere else. 

 It is clear that 

 under these circum- 

 stances it is only 

 in exceptional cases 

 that the properly 

 associated parts can 

 be recognized as 

 such. 1 



To this must be 

 added that one and 

 the same plant occurs 

 in quite different 

 states of preserva- 

 tion, with or without 

 bark (Fig. 10), stone 

 kernels, pith tubes, 

 etc., so that quite 

 different forms of growth may present themselves 

 and receive also different names. Fig. 10 will help 

 to a comprehension of this. It shows us three 



i Dr. W. Gothan : Entwicldung der Pflanzenwelt, Osterwieck am Harz> 

 1909, p. 6. This little volume of the collection Die. Natur is much to be 

 recommended. We shall follow it generally in our arguments. Gothan 

 obviously relies greatly on Potonie. 



E2 



FIG. 11. REMAINS OF PLANTS IN SAMLAND 

 AMBER. 



1. Sambucus (Elder) Flower, f nat. size. 

 la. The same magnified. 



2. Portion of a male Oak'Catkin. 

 2a. The same magnified. 



3. Cinnamon Flower. 

 3a. The same magnified. 



(After Gothan.} 



