Jlga.] 



FLORA OP NEW ZEALAND. 



263 



6. Cladophora Daviesii, Harv. ; filis fete viridibus rigidis crassiusculis vage ramosissirnis, ramis alteme 

 vel dichotome ramosis basi longe nudis apice crebre rarnulosis, ramulis secunde multifidis coryraboso-fasci- 

 culatis, axillis ramorum rotundatis, articulis diametro sesqui- vel duplo longioribus siccitate ssepe alterne 

 compressis. 



Hab. Tauranga, Colenso. 



Filaments 4-5 inches long, densely tufted, much branched. Branches alternately or subdichotomously divided, 

 frequently quite bare of ramuli for a considerable distance above and below the principal forks, and chiefly bearing 

 ramuli near the summits, where they are crowded, somewhat corymbose, short, and very densely inserted, being 

 generally secund, and consisting of two or three articulations. Substance rigidly membranaceous, not adhering to 

 paper. Colour a beautifully clear, bright green. Membrane thin. Articulations uniformly short in all parts of 

 the frond, seldom more than twice as long as broad. Axilla remarkably rounded and broad. — Of this, which most 

 resembles some of the forms of 0. Hutchinsim, we have as yet seen but two specimens. 



7. Cladophora gracilis, Griff., in Wyatt, Alg. Danm. No. 97. Harv. Phyc. Brit. t. 18. Kiitz. Sp. 

 Alg.p. 403. 



Hab. Port William, Southern Island, Lyall. (Native of Europe.) 



Dr. LyalFs specimens are 14-15 inches long, and closely resemble the most luxuriant ones from the south of 

 England, except that they are still more slender, with rather longer articulations, and longer and more distant ramuli. 

 We are not disposed to separate them specifically ; at least, not without further evidence than can be derived from 

 the two or three specimens we have yet seen. 



8. Cladophora crinalis, Harv. ; csespite brevi basi intricata densissima intense-viridi crinali, filis tenui- 

 bus rigidiusculis siccitate nitidulis decompositis, ramis ramulisque erectis vel appressis strictis parurn divisis, 

 ramulis sparsis obtusis, articulis diametro 4-6-plo longioribus ad genicula constrictis. 



Hab. New Zealand, Colenso. 



Tufts 1-2 inches high, very dense, intricate at the base. Filaments slender, decompound, but not very much 

 branched, all the divisions remarkably straight and erect ; the ramuli few, scattered, short or long. Articulations 

 constricted at the dissepiments, in the lower part six or eight times as long as broad, in the upper four to six times, 

 with a thin tube, more or less completely filled with deep-green endochrome, which does not perfectly recover its form. 

 — It imperfectly adheres to paper in drying. 



Gen. C. CONFEBVA, Ag. 



1. Conferva (Chastomorpha) Barwinii, Kiitz., Sp. Alg. p. 380. Conferva clavata, var. Darwinii, Hook. 

 fit. et Harv. VI. Ant. v. 2. p. 493. t. 192./. 1. 



Hab. East Coast, Lyall, Colenso. 



2. Conferva (Chsetomorpha) aerea, Dillw., Con/, t. 80. B. Bot. t. 1929. Harv. Phyc. Brit. t. 99 B. 

 Ag. Syst.p. 100. Kiitz. Sp. Alg.p. 379. Wyatt, Alg. Banm. No. 190. 



Hab. Honraki Gulf, Lyall. (Native of Europe.) 



3. Conferva valuta, Hook. fil. et Harv., in Bond. J. Bot. v. 6. p. 416. Kiitz. Sp. Alg.p. 379. 

 Hab. Port William, Southern Island, Lyall. 



Gen. CI. TYNDABIDEA, Bory. 

 (Bory, Diet. Class, i. 495. Harv. in Hook. Br. El. ii. 361.) 

 1. Tyndaridea anomala, Ealfs in E. Bob. Suppl. t. 2899. Hass. Br. Fresh W. Alg. p. 161. t. 38. 

 /. 2, 3. Zygogonium anomalum, Kiitz. Sp. Alg.p. 447. 

 Hab. In fresh water, Colenso. (Native of England ?) 



