CRYPTOGAMIA ALGm. 913 



Karrow-leav'd wiry-ftalk'd Fucus. Anglis. This 

 was found at Loch S tennis, in Orkney, and 

 communicated by Dr. Hope. 

 The ftalk is naked, very flender, wiry, and 

 dichotomous. 

 . . The whole plant is about five inches long, the 

 ramifications or fegments of the leaf one-tenth 

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



edges, deflitute of air-bladders, dichotomous, 

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

 cartilaginous fubllance, like the F. •veficulofus. 

 The fru6lifications appear in the fummits of the 

 branches, which ftill continue their linear- 

 . , pointed fliape, but grow tumid and warty 



. with feminal grains. The whole leaf is alfo 

 dotted with two longitudinal rows of feminal 

 grainsj one on each fide of the middle rib. 



I 

 cero.noiies F, fronde plana dichotoma integerrima puntflata 

 7' lanceolata, frucftificationibus tuberculatis bifi- 



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

 F. fronde dichotoma plana integra, apicibus 

 bifidis veficulofis. Sp. pi. 1626. 

 (Moris, hift. Ox. f. 15. /. 8./. 11 ? et ejus varietas 

 f. 15. /. 8./. 13. Gmel, fucor.p. 115. t. y.f-^' 

 et ejus varie/ate:, t. y. f. i. et 2.) 

 Buckfhorn Fucus, Anglis. 



N n a Upon 



