925 CRYPTOGAMIA ALG7E. 



caudatus j3. The ftalk and branches of this are round or cy- 

 lindrical, and not comprefs'd. The branches 

 have much more numerous fubdivifions. The 

 fubftance of the whole is quite tough and car- 

 tilaginous, and the color tawny. The prickles 

 are much the fame as in the preceding. Gunner 

 compares it, not amifs, to the tail of a forrel 

 horfe. We fufpedc it to be a diftind fpecies. 



tuhercula- p, fronde filiformi tereti raraofifllma ramis alter- 

 us 14. j^jg^ ramulis confertis tuberculatis, tuberculis 

 fubrotundis diftantibus innatis. Solander. 



FU CU S pnrpureus. Hiidf. Fl. Ang. ^yi.n. 22. 

 (Jig. non invenio.) 



Red tuberculated Fucus. Anglis. 



Upon the fea-fhorcs frequent. Vllf. 



This is generally from nine inches to a foot in 

 length, but varies moi-e or lefs. Its fubftance 

 is cartilaginous, but very tender. Its color 

 commonly red or purplilli, except the ftalk, 

 which is generally pale or whitift^. And the 

 v/hole plant becomes white when e5<pofed on 

 the beach to the fun and air. 



The ftalk is perfeftly round or cylindrical when 



growing, and about the fize of packthread, 



continued generally throughout from the root 



to the extremity of the plant, but fometimes is 



5 divided 



