172 TORNEA. 



August 15. 

 Near the ferry at Tornea I picked up 

 the Fresh-water Sponge, Spoiigia lacustris 

 of Newton, (S. lacustris; Si/st. Nat, v. 1. 

 1299' Linnaeus here refers to Mr. New- 

 ton, the friend of Ray, \vho found the 

 Sponge in question in the Norwich river, 

 where it still exists. It is however deno- 

 minated in Ray's Si/nopsis, S. ramosa flu- 

 viatilis, not lacustris. Linnaeus quoted 

 from memory.) 



August 16. 



In dissecting the flower of Artemisia 

 (vulgaris), I was struck with its very curi- 

 ous conformation. (This alludes to the 

 want of a limb to the corolla of the female 

 or marginal florets. See FL Lapp, ed. 2. 



244.) 



August 17. 



I went by sea from Tornea to Calix. The 

 wind proved contrary. The islands abounded 

 with Whortle-berries, and with the fruit of 



