106 I LIN8 and ill i;\ El . 



ruck- and mangroves, usually in company with Caloglossa Leprieurii, 

 species of Bostrychia, Cladophoropns membranacea and the like. 

 I rpa were found on plants collected Dear Flatts Bridge in 



August, Collins. The pinnate branching is usually quite manif 

 but occasionally plant- arc found where it is not at all conspicuous; 

 these arc quite close to the typical ('. Opuntia of Europe. 



Mi ristoi ni-< \ J. G. Agardh. 



M. Duchassaingd J. G. Agardh, 1871, p. 36; L879, PI. XXXI. 

 1 -.'!. A single specimen among other algae collected March 1. 

 1911, Hervey, without exact locality. Evidently not common in 

 Bermuda, a- this one specimen, about '2 cm. high, is all that i- recorded. 

 It grows to a considerable size along the coast from Florida to North 

 Carolina, specimens from Beaufort, X. <'., reaching a length of 1 dm. 

 It i- usually very rough with short, still' proliferations on the surface 

 and margin, but occasionally it occurs quite smooth, when it i> not -.> 

 easily recognized. The difference is not one of maturity, as I. 

 smooth plants are found as often as -mall one-. 



Eucheuma J. G. Agardh. 



1. Fronds flattened. 1. E. Gelidium. 



1. Fronds stout, subterete, very spinous. 2. E. denticulatum. 



1. E. Gelidium J.G. Agardh, 1851, p. 627; L876,p.602; P. B.-A., 

 No. 2184; Sphaerococcus Gelidium Kutzing, L869, PL XX. St. 

 David's Island, Feb., Hervey, a few small plants only; South Shore, 

 April, Collins. 



2. E. denticulatum (Burin, f.) comb, now; E. spinosum J. G. 

 rdh, L847, p. 16; E. isiforme Harvey, is:.:;, p. lis. PL XXIV; 



P. B.-A., No. L886; Fucus dmticulatua X. L. Burman, L768, p. 28; 

 F. spinoSUS Linnaeus, 1771, p. 313; Turner, 1808, PL XYI1I. Rein; 

 Moseley: April, May, June, Kemp; March, Wadsworth; Tucker, 

 No. 11; Castle Harbor, Jan., Farlow; Bailey's Bay, Mrs. Hastings 

 in Farlow her!..; Bailey's Bay, Jan., Gibbet [sland, Jan., Coop 

 Island, April, Devonshire Bay, Harris Bay, Dec., Hervey; Gravelly 

 Bay, Tucker'- Town, April, Aug., Collin-. As may be inferred from 

 the list of stations and collectors, this plant is plentiful and attractive. 

 The living plant is of a dull red, and if prepared without exposure to 



