— 283 — 
4. BonwEMAa:sONIA ASPAnAGOIDES JJoodw. 
Thallo subtereti l. compresso, ramulis ciliiformibus alter- 
nis, sporocarpis illis oppositis podicellatis. 
Fucus asparagoides JJ'oodw. in Linn. Trans. v. 2. p. 29. t. 6. 
(Grev.) 
Bonnemaisonia asparagiodes 24g. Sp. v. 4. p. 197. — 4l. 
Scand. exs. n. 52. 
In fundo petroso conchifero 6—8S-orgyali in vicinia aper- 
ti maris, a Winga Bahusiae per totam ejusdem provinciae 
oram, v. c. ad Rlüdsholmen, Grundsund, Lángó extra Fiskhe- 
báckskil, Grafvarne etc., usque ad Roster non infrequens. |n 
mari Norvegico ad Solsvig extra Bergen (Roren) et ad Molde 
a me lecta. Jul. — Sept. 
Thallus eleganter roseus, inferne 5; lineam vix crassus, 
longitudine usque 6-pollicaris, attenuatus, ramuli ciliiformes se- 
milineam circiter distantes lineamque longi. 
X. LAURENCIA Lamour. 
Thallus filiformis, teres l. compressus, ramosus l|. pinna- 
tus. Sporocarpia ovata, sessilia, Sporas, in series pyriformes e 
sporophoro erectas, concatenatas includentia. Peritetragonidia 
in ramulis sparsa, tetragonidis triangulatim. secedentibus. 
1. LaunEwCrA PriNNATIFIDA AFuds. 
Thallo subtereti |. compresso 2 —35-pinnato, pinnis pinnu- 
lisque alternis, his apice tumescentibus peritetragonidiiferis. 
Fucus pinnatifidus Huds. Fl. Angl. p. 58 (Ag.). 
Laurencia pinnatifida Lamour. ess. p. 42. 
