68 Pub. Puget Sound Biol. Sta. Vol. 2, No. 35 



tained more than 1 ring. However, the dock had been in the water only 

 1 year.. From this is appears that the rings in A. temiifolia are also 

 annual. 



Nereocystis luetkeana showed no rings in the second year of growth. 

 It has never been found older than that with certaintv. 



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