CallUhamnion.] 
IX. ALGjE. 
711 
3. C. Plumula, Lyngb. ; — FI. N. Z. ii. 258. Frond flaccid, rose-red, 
2-5 in. long, distichously branched ; branches alternate or irregular, slender, 
each node with a pair of opposite horizontal or recurved pectinate brancldets, 
the segments of which in luxuriant specimens are sometimes again pectinate ; 
articulations 3-4 times as long as broad. Tetraspores on the pectinate 
brancldets. 
D’Urville’s Island, Lyall. (Atlantic Ocean, Tasmania, Fuegia.) 
• 
4. C. applicitum, Harv. in FI. N. Z. ii. 258. Frond minute, in. 
long, rose-red, capillary, prostrate, attached by its whole length, distichously 
pinnately branched ; branches pinnate or 2-pinnate ; pinnae all opposite, 
close-set, ; articulations of branches cylindric, 3-4 times as long as broad, of 
the pinnae hexagonal, of the pinnules square. 
Creeping on Amphiroa , Colenso. 
5. C. pectin atum, Mont, in Voy.au Pole Sud, 90 ; — FI. Antarct. 191. 
Habit and size of C. applicitum, or even smaller ; pinnae horizontal ; pinnules 
few, 5-6, very short, simple or nearly so ; articulations terete, primary twice 
as long as broad. Tetraspores axillary or at the base of the pinnules. 
Lord Auckland’s group, on Algol, D’Urville. 
§ 3. Frond pinnate throughout or above ; pinnules alternate. 
* Internodes without a coating of small cells {or lowest coated at the base only in 
C. puniceum, brachygonum, and byssoideum). 
6. C. hirtum, Hook. f. and Harv. FI. Antarct. 192. t. 78. /. 2 ; — FI. 
N. Z. ii. 258. Fronds tufted, blackish or dark bro.wn, stout, intricate, 2-3 
in. long, 4-fariously branched, densely clothed throughout with 4-farious 
brancldets ; primary branches robust, veined below, jointed above ; secon- 
dary elongate ; pinnules simple, incurved, obtuse; articulations 1| as long 
as broad. — J. Ag. Sp. Alg. ii. 53. 
Various places, in the Middle Island, probably common, Lyall. Lord Auckland’s 
group, J. I). 11. 
7. C. gracile, Hook. f. and Harv. FI. Antarct. 191. t. 18. f. 1. Frond 
excessively slender, rose-red, erect from a branched creeping rhizome, laxly 
2-3 -pinnate ; pinnae opposite and alternate, elongate, branched ; pinnules 
short, erecto-patent, alternate, simple or branched at the tip ; primary articu- 
lations pellucid, 4-5 times as long as broad. Tetraspores minute, spherical. 
— J. Ag. Sp. Alg. ii. 48. 
Campbell’s Island, J. D. H. 
8. C. cryptopterum, Kuetzing, Sp. Alg. 646. — C. micropterum, Hook, 
f. and Harv. FI. Antarct. 192 (not of Montague). Frond small, rose-red, 
from a scutate root, erect, i-h in. long, sparingly distichously and alternately 
divided, obovate in outline, 2-3-pinnate ; pinnae flexuous, alternately mul- 
tifid ; pinnules erecto-patent, obtuse ; internodes pellucid, 2-3 times longer 
than broad. Tetraspores minute, scattered, elliptic, appressed. — J. Ag. Sp. 
Alg. ii. 55. 
Lord Auckland’s group, J. D. H. 
9. C. puniceum, Harv. in FI. N. Z. ii. 259. Frond fine lake-purple, 
