98 ACOTYLEDONS. — ALG.^. Laminaria , 



2. C JIagelliformiSy frond cartilaginous slimy cylindrical filiform 

 branched, branches long mostly simple and distichous naked 

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

 Timi. Finns flageUif., Lig/itf. p. 928. Turn. Hist. Fuc. t. 85. 

 E.B.t. 1222. 



Hab. Sea-shores, frequent, as at Newhaven, &c.. Light/. 



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



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

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

 Turn. Ag. p. 12. {exd. his var. (3.) Fuais Filum, Lighlf. 

 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. i. 97. F. B. t. 1669. 



Hab. Seafieid rocks, not uncommon, and Firth of Forth, near Dysart, 

 Mr. GrevlUe. Coast of Morayshire, Mr. Burrer and Huok. 



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

 olive wlien dry. 



26. LAMINAR! A. 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. FrJiil either in 

 api)endages attached to the stipes, as in Lmn. hidbosa and 

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

 Substance cartilaginous, tough. 



"•■•■ Jf'ifh a central rib. 



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

 simple ensiform entire at the margins supported upon a short 

 cylindrical pinnated stipes, pinnae fleshy distichous oblong flat 



' nerveless containing numerous pvriform immersed seeds. Turn. 

 Ag.p.]6. Fucusesciilcnius,Lig/itj:p.93S.t. 2S. E.B. t.\lh9. 

 Hook, in Fl. Lond. luitli ajigure. 



Hab. Abundant on tlie shores of Scotland. 



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

 both by men and cattle ; the fjrmer 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 Badderlocks. 

 *•* 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. Light/, p. 940. Turn. Hist. Fuc. 

 t. 163. F. phyllitis, Turn. Hist, Fuc. t. 164, and E. B. 

 t, 1331 {young slate). 



