CRYPTOGAMIA. ALGAE. 1942. Fucus, 1801 



^Cenuiffimus. Frond filiform, much branched; branches, alternate, 

 capillary, acute: leaves tapering, to both ends, bearing ovate- 

 oblohg tubercles. Linn- Trans. 3. 19. 



*dafjphyl'us. Frond round, fi'iform, branched ; branches nearly 

 fimple: leaves cylindrical, tapering to the ba'fc, fcatteredj proli- 

 ferous Eng. £tf/. 847. 



*obiufus~ Cartilaginous, filiform, compreiTed, twice or thrice pinnate: 

 leaves.cylindrical, nearly oppolite, fpread, very obtufe, truncate. 

 Eng. Rot. i2or. 



*natans. Filiform, comprefTed, pinnate: leaves oblong-lanceolate, 

 ferrate: vefictes globular, peduncled, fcattered, on flat dilated 

 peduncles. Efper. /. 66. 



acinarius. Filiform* branched: leaves ii?;ear, very entire: vcficles 

 globular, peduncled, Rumph. Amb. 6 t, 76. /' 1. z- 



Jalicifoiius Stem fimp'e, flattUh: leaves lance-line- r, very entire; 

 veficles globular, axillary, feiliie. Buxb. cent. 1*1-6$. 



turbinatus. Filiform, (lightly branched : yeficles racemed, one of 

 them turbinate, peltate, with a heart lhapcd crenate leaf. 

 Gmel, t- 5./ ' 1. 



*bacciferus . Round, filiform, rigid, much branched: leaves linear- : 

 'anceolate, ferrate: vesicles globular^ very numerous, on round 

 peduncle*. Bfper*f~ 1>\. 



*filiquofus Comprefled, branched: leaves 2 -ft wed, alternate, entire: 

 ves : Ce- peduncled) oblortg, hollow; pods lanceolate, folid. 

 Eng Bot. 4.7.1- 

 Jilicuhfus. Fi'iforrn-compreiild: leaves alternate, flightly ferrate; 



vesicles nearly g'iobular, pedunded; rauerctaafte. * 



Juprepandu>. Compreffed; branches alrernate: leaves linear-lanceo- 

 late, fomewhat repand-toQthed;.vefides peduncled. Forsk, Arab. 



Rofa marina. Rounds rkfhy, branched. leaves perfoliate, about 3 in 



a whorl, marked with a ring in the middles Gmel t. f. v. 

 Jpermophorus. Membranous, compreiTed, forked, capii.ary : leaves 

 linear, many-cleft: globules peduncled, lateral. 



■* ab r at anif alius. Filiform, compreiTed, doubly pinnate ; ex: erne 

 branchlets vehicular : veficles innate, elliptic) ending in -im- 

 parted tubcrcled leafets. Ner. Brit- 14. 



*dijcor$. Round, branched: leaves linear-lanceolate, ferrate, alter- 

 nately pinnatifid; upper ones capillary, many-cleft ovate and 

 tubercled at their tips. Ner, Brit. 17., 



marginalise So new! ai cartilaginous: frond filiform, round, com- 

 preiTed, much brai - d, befet on the lateral margin above with 

 umbilicate tubercle 



mufaformis. Membran fuif an, much branched; branches fo- 

 taceous: margins of 1 and branches ciliate. 



&#$ J acq 3 f. 14. 



^ 5 z 



