98 ACOTYLEDONS. ALGJE,. Lamiiiaria . 



2. C.jlagelliformis, frond cartilaginous slimy cylindrical filiform 

 branched, branches long mostly simple and distichous naked 

 truncated, seeds naked immersed in the frond mixed with fibres. 

 Turn. Fucusflagellif., Lig/itf. p. 928. Turn. Hist. Fuc. t. 85. 

 E.B.i. 1222. 



HAB. Sea-shores, frequent, as at Newhaven, &c., Llghtf. 



1 3 feet long, very slender, olive brown, almost black when dry. 



3. C. Itlum, frond cartilaginous slimy cylindrical filiform attenu- 

 ated at both ends jointed internally, spirally twisted when old. 

 Turn. Ag. p. 12. (excl. his var. 0.) Fucus Filum, Lightf. 

 p. 963. Turn. Hist. Fuc. t. 86. 



HAB. Rocks, salt-water lakes and bays, abundant. . 

 From 1 20 feet long, olive brown, covered with slimy minute con- 

 ferva-like hairs. Fructification unknown. 



4. C. viridis, frond cartilaginous filiform cylindrical repeatedly 

 pinnated, branches and ramuli all opposite and capillary. 

 Turn. Ag. p. 14. Turn. Hist. Fuc. t. 97. E. B. t. 16G9. " 



HAB. Seafield rocks, not uncommon, and Firth of Forth, near Dysart, 

 Mr. Greville. Coast of Morayshire, Mr. Borrer and Hook. 



1 3 feet long. When fresh a beautiful orange colour, turning almost 

 olive when dry. 



26. LAMINARIA. Lamour. 



Seeds oblong, immersed in portions (not upon the whole) of the 

 frond. Root generally fibrous. Stipes distinct, supporting a 

 costate or ribless, simple or palmated leaf. Fruit either in 

 appendages attached to the stipes^ as in Lam. bulbosa and 

 esculenta, or here and there immersed in the proper frond. 

 Substance cartilaginous, tough. 



* With a central rib. 



1. L. esculenta, frond membranaceous flat with a central rib 

 simple ensiform entire at the margins supported upo a short 

 cylindrical pinnated stipes, pinnae fleshy distichous oblong flat 

 nerveless containing numerous pyriform immersed seeds. Turn. 

 Ag.p.\. Fucusesculentus,Liglilf.p.938.l.2S. E.B.t.\759. 

 Hook, in Fl. Loud, with a figure. 



HAB. Abundant on the shores of Scotland. 



From 2 12, or even 20 feet in length, greenish brown. It is eaten 

 both by men and cattle ; the former prefer the midrib and reject the 

 more membranaceous substance. This is recommended in the cure 

 of a disorder called the Pica, to strengthen the stomach and restore 

 the appetite. The common Scotch name is Baddcr lochs. 

 ** Ribless, coriaceous. 



2. L. saccharina, root fibrous long and branching, stipes almost 

 woody cylindrical undivided expanding at its apex into a single 

 cartilaginous flat simple linear oblong nerveless leaf entire at 

 the margins, scattered seeds immersed in the leaf. Turn. Ag. 

 p. 17. Fucus saccharinus, Lightf. p. 940. Turn. Hist. Fuc. 

 t. 163. F. phyllilis, Turn. hist. Fuc. t. 164, and E. B. 

 t. 1331 (young slate). 





