LAMINARIA* 315 



Fucus sacharinus, var. Esp. Fuc. t. 57, 



Fucus sacharinus var. b u 1 1 a t a , Tnrn, 

 Hist. 1. c. 



In oceano septentrionali. 



Diecus laminae interior bullata, bullis longitu- 

 dinaliter percurrentibus, excepto medio, quod quia 

 planum, custse prae se fcrt speciem 5 margo un- 

 dulatus, 



14. Laminaria latifolia, stipite teretiuscu- 

 ]o in laminam integram ovato-ellipticam 

 expansQ. 



Ulva maxima, Gunn. Fl. Norv. II. t. 7. f , 5, 



Fucus sacharinus var, latissimus, Turn.. 

 Hist. III. p. 69. 



In oeeano septentrionali. Ad litora Norvegis & 

 Kamtschatkie. 



Speciiriina ad Kamtschatkam lecta misit Tilesius» 



Radix pracedentis. Stlpes uncialis, basi teres, 

 apice coraplanatus. Laniina integra , ovata vel el* 

 liptica, enervis, 2 pedes longa vel ultra, spitha- 

 rnam vel pedem lata, margine undulato-crispa. Co- 

 lor exsiccatee lutescenti-viridis. Snbstantia mem- 

 branacea , quam in preecedente multo tenuior. 



Quamvis pro varietate Laminaritc sacha- 

 rinae facile haberetur, tamen vix dubito, quin re- 

 vera distincta sit. Stipite brevissimo, fronde lata 

 & substantia multo tenuiore statim dignoscitur. 



15, Laminaria elliptica, radice membrana* 

 ceo-scuiata radiata, stipite compresso in la- 

 minam ellipticam integram eicpanso. 



in mari Gaditano lecta specimina misit Ca- 

 brera« 



