CRYPTOGAMIA ALGIE. 943 



We obferv'd it upon the coaft of Buie and Jofiay 

 in great plenty, &c. VIII. 



This is a moft elegant fpecies, of a bright-red or 

 purple color, and thin, membranaceous, pel- 

 lucid fubftance. 



The ftalk is Ihort, roundifh, and branched. The 

 leaves are of an oval oblong form, intire, but 

 waved on the edges j from fix to twelve inches 

 long, and from one to three inches wide; 

 ribb'd in the middle throughout-, the rib pin- 

 nated with oppofice or alternate nerves. 



The fruflifications we have never yet obferv'd. 

 Oeder has drawn them like fmall, oval, pedun- 

 culated veficles, growing in a fpike out of the 

 footftalk, at the bafe of the leaf. 



F. frondibus membranaceis oblongis undulatis 

 fmuatis, ftirpe tereti ramofa. S)i/l. nat. edit. 13. 

 p. 816. Sp. pi. 1630. n. 27. (Mart. cent. 32. 

 /. 32. FUCUS crenatus. Gmel. hlfi fucor. 

 p. 184. /. 24. /. I. Oeder. Dan. t. 652. bon.) 



Red Oak-leav'd ferrated Fucus. Anglis. 



Upon the fhores of Jona^ and other places, plen- 

 tifully. VIII. 



The color of this is red ; the fubftance mem- 

 branaceous, very thin and delicate j the whole 

 length from four to fix inches. 



The ftalk is Ihortj round, and branched. The 



leaves 



