PT0NEM1 LCE B. 1 13 



m prepared, forms . 

 picked up on the Bhore near Ryde, by Mr. : !. i 



do not, however, consider the claims or this planl ' 

 garded as British at all increased by the disco 

 specimens, which were probably thrown overboard fr< 

 Borne ship ai Spithead, ami wafted ashore. They have .-'.11 

 the appearance <>f being I • ami col 



and whole aspect, they are identical with the usual Bp 

 mens brougnl by sailors from thai coast. W< 

 planl of British growth, we should expect to find boi 

 characteristic mark, or, a1 Least, thai it would he throv 

 up from the sea in an unbleached state. From 1 

 graphical range of this plant, it is highly improbable i 

 it Bnould he a native of OUT shores. The m 

 our shores of any of its w ell-ascertained habil 

 Canary Islands; the Mediterranean habitats being \ 

 uncertain. 



LXT. GIGARTiXA. 



. pistillata {The pedicellate Qigartina) j frond compress 

 Btipitate, fiabellately branched ; branches re] 

 with wide rounded axils, naked, or pinnated with Bhort, 

 horizontal ramuli; apices acute: tubercles Bolitary or in 

 pairs, on the ramuli-. tetraspores chained I i im- 



mersed Bori, forming distortions in \h nour. 



(Atlas, PL KLIII. Til:. L97 I 



tinus, Ag. Fucus pistillatus, Gmel. P. 

 gartinus, Linn. F. CEderi, . tinum, 



Roth. 



s1 of Cornwall. On rocks, near low -water mark. P< - 

 ennial. Winto r. Verj rare. 

 The characters of this species are so Btrongly mar] 

 pecially when in tubercular fruit, as is commonly 

 •.that it c ly be mistaken for anything els 



In habit (i. mamillosa comes nearesl to it. hut the chan- 

 lled frond of that species affords a sufficienl characl 

 rren specimen-, or specimens with tetrasporic fruit, 

 . e rather the as] rro\* imh\ iduals <>i ( 



•cur except in '■ 

 a\ iih unmistakable ' 



I . acicularis j liu- 



drical, filiform, ) branched, between pin 



dichotoraous ; divaricating, curved; ramuli 



o curved, subulate, ofb n Becund ; tu 



i 



