902 CRYPTOGAMIA ALQIB. 



ferraius i. FUCUS fronde plana dichotoma coitata lerrato* 

 dentata, frudificationibus terminalibus tubereu- 

 lofis. 



Syjt. I<lat. edit. 13. p. 811. Sp. pi. 1626. (Moris, 

 hijl. 3. p. 648. feci. 15. /. 9. /. I. Bafier. 

 opufc. lib. 6. p. 120. n. 3. tab. i^.fig. 3.) 



Serrated Fucus, or Sea Wrack. Anglis. 



Upon the fea rocks about low- water mark. Fre- 

 quent at all feafons of the year, but produces 

 its feeds in July and Augiifl, 

 -* It confifls of a flat, radical, dichotomous leaf, 



about two feet long, the branches half an inch 

 wide, ferrated on the edges with dents of un- 

 equal fize, and at unequal diftances, and having 

 a flat ftalk or rib, divided like the leaf, and 

 running in the middle of it through all its va- 

 rious ramifications. 



The frudifications appear like tumid circular? 

 grains, with a pundure in their centre, generally 

 crowded together for the fpace of an inch upon 

 the fummits of the branches, and frequently 

 imbedded here and there throughout the whole 

 furface of the leaf, but not implanted on mu< 

 cilaginous veficles, as in the following fpe-, 

 cies. 



Upon both fides of the leaf are frequently fcerj 

 fmall pencil-like clufters of fhort whitilh capil j 

 lary fibres, which fome have fancied to be malcj 



flowers: 



