CRYPTOGAMIA ALGiE. 953 



doubly pinnatifid, and alternate. The angles 

 of the fegments are obtufe, and their fummits 

 truncated and acutely dented. 



It var'^s ibmetimes, with branches or fegments 

 twice the width of the foregoing. 



We have never feen the fru6lifications ; but if 

 Gmelinh figure (tab. 9. above cited) refers to 

 this plant, (and we believe it does) then the 

 fruftifications appear upon the fummits of the 

 dents of the ultimate fegments, in the form of 

 fmall, black, deciduous globules. 



pinnatifidus F. frondibus cartilaglneis planis ramofis, ramis 

 33- dentato-pinnatifidis, dentibus obtufis callofis. 



YDCVS, pinnatifidus. Hudf. Fl. Angl p. 473. ». 



32. (Gmel. hift. fuccr. p. 156./. 16. f. 3. bona.) 

 Jagged Fucus. Anglis. 

 Pepper Dulfe. Scotis. 

 Upon the fea rocks which are covered by the 



tides frequent, both on the eaftern and weftern 



coafts, as about Aberdeen^ and on the Ihores of 



Bute plentifully, &c. VIII. 

 It is of a yellow olive color, often tinged with 



red. The fubllance is cartilaginous, but yet 



tender and tranfparent. The height about 



two or three inches. 

 The flalk is flat, without rib or nerve, branched 



almoft from the bafe. The branches plain, 



about 



