CRYPTOGAMIA ALG^. 91^ 



Narrow-leav'd wiry-ftalk'd Fucus. AngUs. This 

 was found at Loch Stennis, in Orkney^ and 

 communicated by Dr. Hope. 



The flalk is naked, very (lender, wiry, and 

 dichotomous. 



The whole plant is about five inches long, the 

 ramifications or fegments of the leaf one-te th 

 of an inch wide ; plain, linear, intire on the 

 edges, deftitute of air-bladders, dichotomous, 

 and rib'd throughout ; of an olive colour, and 

 cartilaginous fubftance, like the F. veficulojus. 



The frudtifications appear in the fummits of the 

 branches, which ftill continue their linear- 

 pointed Ihape, but grow tumid and warty 

 with feminal grains. The whole leaf is alio 

 dotted with two longitudinal rows of feminal 

 grainsj one on each fide of the middle rib. 



F. fronde plana dichotoma integerrima punctata 

 lanceolata, frudificationibus tuberculatis bifi- 

 dis terminalibus. Syfi. nat. edit. 13. p. 812. 

 F. fronde dichotoma plana integra, apicibus 

 bifidis veficulofis. Sp. pi. 1626. 



{Moris, hift. Ox. f. 15. /. 8./. ii ? et ejus varietas 

 f. 15. /. 8./. 13. Gmel.fucor.p.iis. t. y.f.^. 

 et ejus varietates, t.j.f. 1. et 2.) 



Buckdiorn Fucus. Anglis, 



N n n Upon 



