694 
Laurencia Lamourx. 
1. 1. Forsteri Grev. Sond. Pl. Preiss. I. p. 178, Fucus 
Forsteri Turn. t. 77, 
Holdfast-Bay, sinus Sti. Vincent, August, Ad litus 
peninsulae Lefebre. Julio, 
2. 2. aftinis Sond, 1. c. p. 178. 
Holdfast- Bay. 
3. L, filiforımis Montagne Voy. Pol, Sud, p. 125. 3. Ag. 
lc. p. 745. Chondria filiformis Ag. Spec. I, p. 358. 
Van Diemensland (Stnart). 
Sphaerosporae ramulis inerassatis immersae, rotundatae, 
tiangnle gnadridivisae. Keramidia lateralia, sphaerica, ore 
parum promiuulo apieulata. Gemmidia pyriformia, placentae 
elevatae affıza. 
4. L. obtasa Lamourx. Ess. p. 42. Fucus obiusus Turn. 
421. Chondria obtusa Ag. Spec, p. 340, 
Ad litora sinus Holdfast-Bay, Febr. 
5. L. elavata Sond, fronde tereti hi-— tripimnata, ramig 
primariis subhorizontaliter patentihus ramulisque alternis, ra- 
mellis ereetis sparsis rarius geminis ternatisve elavatis apire 
obiusis, basi in stipitem brevissimum attenuatis, sporiferis in- 
fra apicem sphaerosporas inelndentibus, keramidiis laterali- 
bus hrevissime stipitatis. 
Ad litas peninsulae Lefebre, Julio, 
Frons basi fere pennam columb, crassa, pyramidata, 5— 
6 poll. alta et lata. Bami subkorizontales, indivisi vel laxe 
samulis brevioribns, in apieem elavatum, eirc. %/, lin, latum 
dilatatis obsit. Bamuli pleramque solitarii, hine inde gemini 
vel terni subunilaterales, 2 —4 lin. Jongi, %/, —- %, lin, Iati; 
supremi ininores, eximie elavati, basi in stipitem hrevissimum 
altenuati, apico rotundato-, vel subtrunente -obiusiz sporiferi 
