10 S£A AfOSSES. 



markcfi difference in temperature, in the two ' 

 At all events the floras of the two regions have iiu- 

 portant diffcrcnc cs, whatever the cause. I do not mean 

 by this, that no considerable number of 

 extend over the whole region, north and h c»f 



Cai^c Cod. lUit, I mean that a considerable nui. 

 enough to make a distinct feature of the fldra, do 

 not extend either way Ix-yond that Ijorrit;. I'o state 

 it broadly, we may say tlut the pbnts growing north 

 of Cajx! C'tnl, are essentially antic, and agree pretty 

 well with the sixrcies found on the extreme northern 

 coasts of Kuropc, and in Spitsbergen and Nova u 



In a small collection of some twenty species received 

 from these ] Hilar islands, I find all but one or two of 

 tliem, such as I luve collccte<i at Marblehcatl. Hie 

 individual plants too, have a striking resemblance to 

 those growing along our "'••^'^••'^" v^..r... 'p... north- 

 em flora is distinguished uy an at' ;u«jaii« c «ji plants of 

 the species Euthora cristJta, Ptihta plumosa Var. 

 serrata. Ceramium Deshfif^champiii^ Gigartina mam- 

 ii/osa^ Haiosatcion ramenhKeum^ Fucus /urcatus, 

 Agafum Turmri, La mt nana langi^ruhs, Alaria 

 esculenta^ etc 



'Ilie flora sntith of Cape Cod, is that of the warmer 

 or temperate ..... and is distinguished by the presence 

 of sue!: ** -ns as the "Gulf weed" Sar^a^sum vul^are. 



