40 ni. øtbeel fr^pto^mifFe 
Frons viridi - flavefcens, membranacca, plana^ 
avenia, dichotomaj ramificationes inferne 
angufliores, verfus fingulatn dichotomiam 
Iatefcentes, apice præfertim dilatatæ Sc divi- • 
fæ in lacinias 2-3-4. fingulis iterum divifis: 
lacinulis anguftiflimis divaricatis. 
Fructificatio tubercula, per fuperficiem fron- 
dis fparfa, frequentia, diftin&a, raro duo 
conferta, oblonga, xninuta, flava vel pur- 
purea. 
tURRUREUS FUCUS frondibus membranaceis dicho- 
tomis: apicibus bifurcatis, tuberculis marginali- 
bus inque divaricaturis globofis. 
Fucus purpureur, fronde plana dichotoma, inte- 
gerrima tuberculis axillaribus. Weft Mfcpt. 
Litr. D. a. 
Frondes fpatio femipollicari fupra bafin divifæ, 
dichotomæ, diaphanæ, purpureæ. Rami 
inferne angufliores, verfus proximam dicho¬ 
tomiam fen fim parum Iatefcentes, margini- 
bus plerumque integris, raro dente lanceo- 
lato indivifo brevi, ramulofi, apice bifur- 
cati fegmento altero bifido, altero integro, 
rariflime laciniæ ambæ integræ. 
Fructificatio tubercula minuta, ad margines 
frondium fparfa eisque innata, raro in diva¬ 
ricaturis frondis, folitaria, diflantia, inter- 
dum 
