( i:K \V ; • 



£3 1. fastigiatum 



of equal diameter throughout, flaccid, dichotor 

 topped ; the :i\il> acute ; articulatioi - 

 mil l< IK- of the Btem from four to six inn is Louger than b 

 the upper gradually short r, and coloured; dissepin 



: fivrlfc BUI all, Ml ht «Tliiili:i i. 



led by three or four involucral ramuli, ffarv. i 

 i. Journ. Bot. v. 1. , . 

 Gongroceraa fastigial un 



Jin},. On rocks, etc., near low-water mark j rare. Annual, \ - 

 tumn and winter. 

 This is one of tlir raresl and most beautiful of th< 

 tisli species of Cera nium. \\ is Dearly related l , 

 sum, particularly in ramification, and in the diameter of 

 its filaments; but the substance is much more Bofl and 

 tender than in that species, and the colour much brig 

 The upper joints moreover in the present 

 fused with a beautiful carmine, and the axils are far I as 

 patent. The tufts are perfectly fastigiate, forming reg 

 circular fans when displayed on paper. 



235. flabelligerum (The fa 



setaceous, attenuated up. . flabellately branc 



irregularly dichotomous, with lateral forked ramuli, 

 apices acute, patent or somewhat incurved: articulal 

 coat,., i with coloured cellules, those of the lower bran 

 about twice a- long as broad, of the upper equal in 1 

 and breadth, each armed, on the outer edge with a - 

 minute, Bubulate, coloured, three-jointed prickle ; tetras 

 erumpent, whorled round the joint ; 

 lobed, berry-like, subtended frj several patent, Bubulate 

 mull. J.J 11 is, PL LI I. Pig. 238.) 



Hal. South of England. Parasitica] on the smaller Alg 

 tween tide-marks. Annual. Summer and autumn. Bare. 

 The external habit oi' this species is so different 

 that of the ether ciliated Ceramia that it can scarcely be 

 confounded with any o\' them. It hears a much clos 

 semblance to a small specimen of ( '. rubrum^ to \\ bic 

 cies there is much similarity both in the branching and in 

 the Length and structure oi the joints; but from which it 



8 at once distinguished under the microscope I 

 minute prickle with which each of the joints is armed at 

 its outer edge. 



cchionotum (The prickly t j frond -lender, oi 



nearly eon »ut, rigid, rep 



