A.CB0QEN8. 



demanded, that the spiral thn for the purpose of impr 



which seems the more doubtful when at by II 



with t! • 



threads wen 



miliar m 

 archegone. But if the spiral threads ' 



l, are they not form< 

 arol ■ ive them, 



can be explained, it would uext I" aire — first, what I 



were doing during the au weeks that they laid on the damp sand 



lj ; ami secondly, by what means tli<- 

 ment asses lent" contrive i" ri ach the arc! • 

 It must oot I d, that Bofmi i- 1 



is ,1c culture, tvrais d'une cloche de verre 1( 



ible, l'exj ■ 



I dent, au contraire, prom 



plai individus vi . ruct 



Selaginellaklaquelleci ippartenaieut." By which we] 



that although the spiral filaments are behindhand when sown artificially 

 they keep time when left But where thei 



on tl <■ '>ik' hand, and only a .. the other, the former would 



the more important of the two. 



