CRYPTOGAMIA ALG^. 909 



• . . The fame author, by calcining the plant in the 



open air, made a very black fait powder, 

 which he called Vegetable yEthiops, a medi- 

 cine much in ufe as a refolvent and deohfiruent^ 

 and recommended alfo as an excellent dentrijice, 

 to correct the fcorbutic laxity of the gums, 

 and take off the foulnefs of the teeth. 



divaricatus F. fronde plana dichotoma integerrima; axillis 



3- divaricatis, veficulis axillaribus geminis. Syfi. 



nat, edit. 13. p. 812. Sp. pi. 1627. {Moris. 



V '■., hijl. Ox. p. 647. fe^. 15. /. S. f. 5. ordinis 



inferior is.) ... 



Divaricated Fucus. Anglis. 



Upon the fliore about Leith and New-Haven. 



Mr.Talden. VII. VIII. / ■' 'V 



Linnceus diftinguifhes this as a fpecies, but Gmelin 



.•_.'. y . and other authors, with more reafon, confider 



■ - it only as a variety of the F. veficulofus. We 



have kept it di{lin<5t, for the fake of the author 



whofe method we follow. — The plant is about 



fix inches long, and the ramifications a quarter 



of an inch wide, the ftalk or rib near the root 



? generally naked. The leaf is commonly fur- 



niflied with many air-bladders, moftly in pairs, 



but towards the fummits of the branches, and 



often lower down, a fingle air-bladder is placed 



, A in the angle of the ramifications, and another 



■j ■: pair 



