708 
IX. ALGIE. 
[ Ceramimn . 
4. C. vestitum, Harv. in FI. N. Z. ii. 256. Very similar to C. rubrum, 
but articulations so coated with cells that they are scarcely visible, and the 
tips of the branchlets are straighter. 
Stewart’s Island, Ltjall. — Probably a state of C. rubrum. 
5. C. cancellation, Jgardli ; — -FI. N. Z. ii. 226. Frond 8-6 in. high, 
compressed, distichously pinnate ; pinnae subcorymbose, dichotomously pin- 
nulate ; terminal segments obtuse, spreading ; articulations completely coated 
with cells, lower as long as broad. Spore-masses subterminal ; involucral 
branchlets elongate, divided. Tetraspores in irregular lines along the mar- 
gins of the segments. — J. Ag. Sp. Alg. ii. 186. Fteroceras, Kuetzing. 
Abundant on the coasts, Colenso , etc. Lord Auckland’s group, J. D. II. 
§ 3. Frond with spinules, especially on the outer sides of the terminal branchlets. 
6. C. uncinatnm, Harv. in FI. N. Z. ii. 257. Frond capillary, regu- 
larly dichotomously fastigiate ; axils patent ; tips incurved ; articulations not 
coated with cells, lower 8-4 times longer than broad ; nodes swollen, armed 
with a long and a short uncinate spinule. 
Cape Turnagain, Colenso ; Cook’s Straits, Lyall. 
92. CETfTROCERAS, Kuetzing. 
Frond red, filiform, branched, jointed ; joints of a single cell, coated with 
oblong longitudinal cellules, placed in longitudinal series. Fructification of 
Ceramium.. 
A genus of oue variable species, abounding in the Atlantic and Pacific Oceans, differing 
from Ceramium in tbe longitudinal cortical cells. 
1. C. clavulatum, Mont.; — FI. N. Z. ii. 257. Frond densely tufted, 
dark red, very variable, 2-4 in. long, rather rigid, capillary, dichotomously 
branched ; nodes swollen, their bases sunk in the top of that below them, 
when young crowned by minute spinous processes ; young plants covered 
with deciduous hairs. — J. Ag. Sp. Alg. ii. 148 ; Harv. Ner. Bor. Am. 211. 
t. 83 C. 
Common on all tbe coasts, Colenso, etc. (Tasmania, and common in tropical and sub- 
tropical seas.) 
93. FTILOTA, Agardh. 
Frond bright or dull red, linear, slender, compressed, 2-edged, distichously 
branched, pectinate-pinnate ; pinnules sometimes articulate ; axis of one long 
articulate tube, more or less coated with many series of small cells. Spore- 
masses involucrate, full of angular spores, the involucre of many incurved 
branchlets. Tetraspores sessile or stalked, 3-partite, solitary or crowded on 
the pinnules. 
A heautiful genus, common in both temperate zones, but more abundant and larger in the 
southern. 
1. P. formosissima, Mont, in Voy. an Foie Sud, 97. t. 9./. 3 ; — FI. 
N. Z. ii. 257. Frond bright red, cartilaginous, 6-16 in. long, and as broad 
