ALGZ NOV ZELANDLE. 539 
61. Polysiphonia microcarpa, nobis; in Hook. Lond. Journ. 
IV. p. 265. 
Has. Akaroa, Raoul. 
62. Bostrychia mixta, nobis; in Hook. Lond. Journ. IV. 
p. 270. 
Has. Bay of Islands, Hooker. 
CoRALLINES. 
63. Jania pistillaris, Mont. Voy. Pole Sud. p. 147. 
Has. Bay of Islands, Homéron, Colenso. 
64. tJania gracilis, Mont. 1. c. 
Has. Akaroa, Hombron. 
LAURENCIES. 
65. Laurencia pinnatifida, Lamx. Fucus pinn. Turn. £. 20. 
Has. New Zealand. 
66. Laurencia obtusa, var. botryoclada, J. Ag.—Laurencia 
botryoides, Bory. 
‘Has. New Zealand, Lyall, &c. 
Sometimes this nearly resembles L. papillosa, Ag. Other 
specimens are scarcely different from the common form of 
L. obtusa, and some again approach the cylindrical variety 
of L. pinnatifida. 
67. *Laurencia Forsteri, Grev. Fucus Forsteri, Turn. t. 77. 
Has. New Zealand, Forster. 
68. *Laurencia papillosa, Grey. Fucus thyrsoideus, Turn. 
f. 19. 
Has. New Zealand, Sir Joseph Banks. 
CLADHYMENIA, Harv. in Herb. 
Frons membranacea, rosea, plana, tenuis, linearis, distiche 
pinnatifida, flaccida, e cellulis magnis polygonis granuli- 
feris superficiem versus minutis composita. Ceramidia 
(in CZ. Lyallii) oblonga, ramuliformia e ramulo inflato 
vix contracto formata, fasciculum granularum foventia. — 
Spherospore (im Cl. Gunnii) minute, oblonge per totam 
frondem sparse, inter cellulas paris nidulantes. — 
RR 2 
