Champia .] 
IX. ALGA5. 
675 
2. C. affinis, Ran. in FI. N. Z. ii. 237. Frond 12 in. and upwards. 
Stem undivided, obscurely constricted at intervals, clothed throughout with 
opposite alternate and whorled spreading branches ; branches elongate, shorter 
upwards, tapering at both ends, constricted at regular intervals ; branchlets 
disposed like the branches, sometimes again branching ; articulations of the 
branchlets moniliform, shorter than broad. Conceptacles large, conical. — Oliy- 
locladia, Harv. Ner. Austr. 79. t. 29. C. Kaliformis, Harv. in Hook. Lond. 
Journ. Eot. iii. 444, excl. synonyms. Lomentaria, J. Ag. Sp. Alg. ii. 730. 
Stewart’s Island, Lyall. (Australia, Tasmania.) 
3. C. parvula, Ran. in FI. N.Z. ii. 236. Fronds densely tufted, 2-4 
in. high, bushy, irregularly branched, stemless, flexuous, irregularly branched ; 
branches and branchlets scattered, spreading ; articulations of the branches as 
long or twice as long as broad, sometimes moniliform. Conceptacles large, 
ovoid. — Chylocladia, Grev. ; Harv. Ner. Austr. 80 ; Fhyc. Brit. t. 210. La- 
ment aria, Gaill. ; J. Ag. Sp. Alg. 729. 
Akaroa, D’Urville, Raoul. (Atlantic and Mediterranean seas.) 
C. obsolela is mentioned in Harvey’s ‘ Phycologia Australis,’ synops. p. 5, as a native of 
New Zealand, but I do not know on wliat authority. 
43. LAUREN CIA, Lamouroux. 
Frond red or purple, often fading to green, cartilaginous, cylindric or com- 
pressed, linear, pinnate ; tips obtuse ; structure cellular, solid ; cells in 2 series ; 
inner oblong, angular ; outer smaller. Conceptacles enclosing tufted spores. 
Tetraspores 3-parted, imbedded in the branchletfe. 
A widely diffused genus, especially in the temperate zones. 
* Frond compressed. 
1. la. elata, Ran. ; — -FI. AT. Z. ii. 233. Frond 12-18 in. high, blood- 
red, compressed or flat, repeatedly pinnate ; branches in. diameter, com- 
pressed, erecto-pateut ; lower pinnae longest, all alternate ; ultimate linear- 
elongate. Conceptacles terminal. — Harv. Ner. Austr. 81. t. 33 ; J. Ag. Sp. 
Alg. ii. 766. 
East coast, Colenso. (Australia, Tasmania.) — Very nearly allied to the common L. pinna- 
tifida. 
2. I*, piimatifida, Lamour. FI. Antarct. 1 84. — Yery similar to L. elata, 
but frond broader, more purple, less branched, and the conceptacles are lateral. 
— Harv. Phyc. Brit. t. 55; FI. Antarct. 
Xiord Auckland's group, J. _D. II. (South Africa, Euegia, abundant in the north tem- 
perate ocean.) 
3. 3L. botrycMoides, Ran. in FI. N. Z. ii. 234. Frond tufted, small, 
purplish-brown, erect, 1-3 in. high, rising from creeping matted surculi; 
rhachis or stem closely pinnatifid, dilated upwards, compressed ; branches 
t V~tV in- broad, 3-4-pinnate ; pinnae distichous, usually opposite ; lower 
