Turbinaria.'] 
IS. ALG M. 
649 
ceptacles axillary, pod-like, dichotomously branched, tubercled, the tubercles 
answering to conceptacles containing obovoid spores. 
A genus of one or two species, natives of the Southern Ocean. 
1. T. ornata, J. Agardh ; — FI. N. Z. ii. 212. Frond 6-8 in. long, 
between fleshy and coriaceous. Stem simple. Leaves on bladders, peltate 
on a triquetrous stalk, rather concave, \ in. long, crowned with a double 
series of stout teeth, one series marginal, the other within it. — J. Ag. Sp. 
Alg. i. 266. Fucus turbinatus var. ornatus, Turner, Hist. Fuc. t. 24. f. 
e-k. 
New Holland, D’Urville. (Australia, Chili, Pacific Islands.) 
3. CARPOPHYLLUM, Greville. 
Frond olive-brown, alternately pinnately decompound, with an obscure 
midrib, with distinct marginal stem, leaves, bladder, and receptacles. 
Leaves undivided, vertical. Bladder apiculate. Receptacles in alternate 
fascicles, simple or forked, cylindric, warted, the warts answering to spherical 
conceptacles containing obovoid spores. 
A small genus, natives of the south temperate ocean. 
1. C. Phyllanthus, HooJc.f. and Harv. FI. N. Z. ii. 212. Stem flat, 
many feet long, £ in. broad, uniformly distichously pinnate. Leaves mem- 
branous, lower 3 in. long, linear, entire or sinuate-serrate, upper 1-1J in. 
long, serrate. Bladders solitary, ovoid, mucronate, as large as a hazel-nut. 
Receptacles on the marginal teeth, in. long. — J. Ag. Sp. Alg. i. 263. 
C.Jlexuosum, Grev. Fucus, Turn. Hist. t. 206. 
Common on all the shores, Banks and Solander, etc. 
2. C. Maschalocarpus, Hook.f. and Harv. FI. FT. Z. ii. 212. More 
robust and coriaceous than C. Fhyllantlius. Leaves ecostate, acuminate, 
quite entire. Bladders pyriform, mucronate. Receptacles very minute. 
— J. Ag. Sp. Alg. i. 264. Phycobotrys, Kuetz. Sargassum Phyllanthum, 
A. Rich. FI. Nov. Zel. t. 7 et 7 bis. Fucus, Turn. Hist. f. 205. 
Common on all the shores, Banks and Solander , etc. 
3. C. macrophyllum, Montague in Foy. au Pole Sud, 76. Stem 
14 in. long, flat, thin, winged. Frond broadly lanceolate from a very narrow 
base, serrate and pinnately laciniate. Bladders spherical, very large, leaf- 
bearing and axillary, as are the minute dichotomously paniculate receptacles. 
Shores of Lord Auckland’s Island, D'Urville. — I have seen no specimens. 
4. MARGINARIA, A. Richard. 
Frond olive-green, unilaterally flabellately pinnate. Leaves, bladders, and 
receptacles distinct. Leaves subconfluent with the stem, dichotomously 
semi-flabellate, vertical. Bladders in series on the inner upper margins of 
the leaves. Receptacles in series with the bladders, unilateral, subsimple, 
terete or compressed, containing spherical conceptacles with obovoid spores. 
VOL. i. 2 u 
