130 Mr. Turner's 'Defer iptions of 



Fuci the capfules, when mature, burft, and immediately die away ; 

 while the feeds, from that vifcidity which they are known fo emi- 

 nently to poflefs, adhere to the furface of the frond, till, upon the 

 whole plant at the end of autumn pafling into decay, they attach 

 themfelves to the flems of the larger fpecies, or rocks, as the force 

 of the fea carries them, and there remain fixed till the latter months 

 of the following fpring again awake their vegetative powers- . 



Excepting Fucus Hypoglojjum there is none in the Britifh lift with 

 which Fucus nifcf alius can pofTibly be confounded, and 1 (hail there- 

 fore trouble the Society with no more upon the fubjedt. 



• Fucus crenulatus, 



F. fronde plan^ coriacei lineari dichotomy ; ramorum apicibus bi- 



'furcis oblongo-Ianceoiatis. 



Tab. VIII. 



Fig. 3. Planta naturali magnitudine. 

 4. Frondis apex lente auclus. 



Habitat propc Durlum flumen in Lufitaniae littoribus ; /3 apud Du- 



brem. D. L. W. Dillwyn. 

 Perennis? Floret Auguftc, Septembri. 



Radix callus expanfus, fibrarum aliquot crafliufcularum rudimentis 

 plerumque inflru6lus. Frondes plurimas, vix palmares, plance, 

 cncrves, ftipiti brevi, tereti infidentes, late expanfx, undique di- 

 chotomy, lineares, fingulari mode, prxfertim extremitates versus, 

 obtufe, fed et minutiflime crenatie. Apices bifidi, angulis acutis, 

 in lobos oblongo-lanceolatos defmentes. Rami plurimi, nunquam 

 proliferi. Frudificatio tubercula hemifphasrica, magnitudine fe- 



minis 



