710 
IX. ALGtE. 
\_Ballia. 
1. B. callitrichaj Mont.; — FI. N. Z. ii. 257. Root a spongy disk. 
Fronds densely tufted, 2-10 in. long, with a stout rigid woolly stipes, se- 
taceous above, rose-purple, 3-4-pinnate ; pinnae and pinnules capillary ; 
brandies opposite, very close-set, plumosely decompound, lanceolate in out- 
line, ultimate undivided, subulate, very acute ; articulations ovoid or cyliudric, 
about twice as long as broad. — J. Ag. ; FI. Sp. Alg. ii. 75. B. Brunonis, 
Harv. FI. Antarct. 182. B. Hombroniana , Mont, in Yoy. au Pole Sud, t. 
12. f. 1. Sphacelaria callitricha, Agardh. 
Abundant throughout the islands, and in Lord Auckland’s group and Campbell’s 
Island. (All the southern temperate oceans.) 
2. B. scoparia, Han. Bhyc. Austr. iii. 168. — Callithamnion , FI. N. Z. 
ii. 259. Habit and woolly root and stipes of B. callitricha, but dull in 
colour, most densely fastigiately branched, the branches springing from all 
sides ; branches pinnately branched. — Callithamnion, FI. Antarct. 1. 189. f. 3 ; 
J. Ag. Sp. Alg. ii. 35. Bhlebothamnion, Kuetzing. 
East coast, Colenso ; Preservation Harbour and Foveaux Straits, Lyall. (Fuegia, Falk- 
land Islands, Australia.) 
96. CALLITHAMNION, Lyngbye. 
Frond rose-red or purplish, filiform or capillary, branched, articulate, of 
one series of long tubular cells, those of the stem sometimes coated by de- 
current cells, the branches always of single articulate tubes, pellucid at the 
nodes. Spore-masses solitary or geminate, axillary or lateral, containing 
numerous angular spores. Tetraspores sessile or stalked on the branchlets. 
A large genus, found in all seas. 
§ 1. Frond short, densely tufted, excessively branched from the base, with no distinct 
stem ; articulations without cortical cells. 
1. C„ Rothii, Lxjngb.; — FI. N. Z. ii. 260. Frond deep red or purple, 
1 in. high, densely tufted ; filaments excessively slender, short, erect, dicho- 
tomous ; branches few, long, straight, equal, alternate or dichotomous ; 
articulations twice as long as broad. Tetraspores clustered on short terminal 
snbcorymbose branchlets. — Harv. Phyc. Brit. t. 120 B; J. Ag. Sp. Alg. 
ii. 17. 
Tidal rocks, caverns, etc., probably common, Hawke’s Bay and Cape Kidnapper, Colenso. 
(N. Atlantic Ocean.) 
§ 2. Frond pinnate ; pinnules ( upper or all) opposite. 
2. C. flaccidum, Hook. f. and Harv. FI. N. Z. ii. 258. Fronds 
flaccid, membranous, rosy, 2-4 in. long, loosely branched, excessively slender ; 
branches densely crowded, opposite and alternate, pinnate ; pinnules all oppo- 
site or alternate, short, simple, sometimes second, incurved ; primary articula- 
tions many times, secondary 6-10 times longer than broad. Tetraspores 
numerous, secund on the pinnules. —FI. Antarct. 490. t. 188. f. 1 ; J. Ag. 
Sp. Alg. ii. 31. 
Otago Harbour, Lyall. (Fuegia, Tasmania.) 
