Algee?[ FLOKA OF NEW ZEALAND. 233 



articulis diametro Eequalibus vel parum longioribus, ramulis alternis patentibus brevissimis in ramellos bis 

 terve furcatos obtusissimos solutis, articulis ramellorum diametro sesquilongioribus, stichidiis . . . ? 



Hab. On the large Alga, Port William, Southern Island, Lyall. 



Fronds gregarious, 1-2 inches high, distichous, several times pinnate. Stems articulate, except near the base 

 in large specimens, rough in the lower part, with minute, horizontally patent, short, hair-like ramelli, smooth above, 

 marked with three tubes on the lateral view, pinnate or bi-tripinnate. Branches springing alternately from every 

 second or third node, very patent, pinnated with short, divaricating ramuli, which are trisiphonous at the base, but 

 gradually pass off upwards into monosiphonous, simple or forked, exactly cylindrical, very obtuse, patent ramelli, 

 not in the least attenuated to the point. Articulations of the branches about as long as broad ; of the ramelli rather 

 longer. Colour a fine crimson-lake. Fruit unknown. Siphons in the stem seven or eight. 



S. Dasya tessettala, Harv.; caule unciali tereti polysiphonio pellucide tessellato vel eellulis transversim 

 ordinatis 4-5 oblongis notato distiche pinnato vel bi-tripinnato glabro, ramis consimilibus, ramulis alter- 

 nis brevissimis patentibus pectinato-dicliotomis squarrosis basi tri-tetrasiphoniis in ramellos monosiphonios 

 simplices subuiatos divaricatos abeuntibus, stichidiis oblongis acutis ad latera ramulorum sessilibus. 



Hab. Blind Bay and Massacre Bay, Cook's Straits, Lyall. 



Densely tufted. Stems 1-2 inches high, setaceous, pellueidly cellular, or tessellated with large, transversely 

 seriated, square or oblong cells, of which four or five are seen in the breadth of the stem, pinnate or bipinnate ; the 

 branches very patent, similarly cellular as the stem. The penultimate branches are pinnated with alternate, dis- 

 tichous, very patent, short ramuli, which are either regularly dichotomous, or, by suppression, pectinato-secund, 

 three-tubed in the lower part, but passing off in the ultimate divisions into single-tubed, subulate, but not very 

 acute, and sometimes quite obtuse, divaricating ramelli. Some of these ramelli are in fertile specimens changed into 

 sessile stichidia. A cross section of the stem shows about twelve cells surrounding the central tube. Colour a fine 

 crimson-lake. 



Tkibe II. LATJRENCIACEM. 



Gen. XLIL ASPAEAGOPSIS, Mont. 



(Mont. Fl. Canar. PL Cell. Addenda, p. xv. Harv. Ner. Austr. p. 88. J. Ag. Sp. Alg. ii. 774. Kiitz. Sp. Alg. 



p. 802. Lictoria, J. Ag. Linnsea xv. 22.) 



1. Asparagopsis Delilei, Mont. Harv. Ner. Austr. p. 88. t. 35. /. Ag. Sp. Alg. v. 2. p. 776. Kiitz. 

 Sp. Alg. p. 802. Fucus taxiformis, Bel. Egypt. p. 151. t. 57. 



Hab. Dredged in five fathoms, at D'Lrville Island, Cook's Straits, Lyall. (Native of New Holland, 

 Tasmania, the Mediterranean Sea, and Canary Islands.) 



Gen. XLIII. DELISIA, Lamour. 

 (Lamour. Diet. CI. Hist. Nat. v. 389. Harv. Ner. Austr. p. 88. J. Ag. Sp. Alg. ii. 779. Kiitz. Sp. Alg. p. 770. 



Calocladia et Bowiesia, Grev.) 

 1. Delisia elegans, Lamour. Harv. Ner. Austr. p. 89. t. 34. J. Ag. Sp. Alg. v. 2. p. 781. Kiitz. Sp. 

 Alg. p. 770. Bonnemaisonia elegans, Ag. Sp. Alg. v. l.p. 198. Harv. Lond. J. Bot. v. 3. p. 412. 



Hab. Dredged in fifteen fathoms, at Preservation Harbour, West Coast, Middle Island, and at Akaroa, 

 Banks' Peninsula, Lyall. (Native of New Holland and Tasmania.) 



Gen. XLIV. LAUfiENCIA, Lamour.— J. Ag. ref. 

 (Lamour. Ess. p. 42. Grev. Syn. p. lii. Harv. Ner. Austr. p. 81. excl. sp. J. Ag. Sp. Alg. ii. 740. Kiitz. Sp. 



Alg. p. 852. excl. sp.) 

 1. Laurencia elala, Harv., Ner. Austr. p. 81. t. 33. Kiitz. Sp. Alg. p. 856. J. Ag. Sp. Alg. v. 2. p. 766. 

 vol. ii. 3 o 



