330 Transactions. — Botany. 



years ago, but that it seems to have disappeared completely 

 since then. My Wellington specimens (1901) are epiphytic 

 on P. formosissima. 



119. Ptilota formosissima. Fl. Nov.-Zel., p. 257. 

 Probably everywhere abundant. Bluff, Dunedin, War- 



rington(?), Banks Peninsula, Lyall Bay: Berggren. Kai- 

 koura : B. M. L. Chatham Islands : Dr. Schauinsland 

 Brighton (Otago) : J. C. S. 



120. Ceramium virgatum, Harv., Fl. Nov.-Zel., p. 256. 

 East Coast : Colenso. Taylor's Mistake : B. M. L. Chat- 

 ham Islands (identification doubtful) : Dr. Schauinsland. 



(Vide also Anal. Algol., cont. ii., p. 41.) 



121. Ceramium diaphanwn. Fl. Nov.-Zel., p. 256. 



Port Cooper, Akaroa, and Otago: Lyall. Petone : B. M. L. 

 St. Clair (common) : /. C. S. 



122. Ceramium nodiferum, J. Ag., Epicr., p. 99. 

 Chatham Islands : Travers. New Zealand : (Agardh). 

 (Vide also Anal. Algol., cont. ii., p. 40.) 



123. Ceramium stichidiosum, J. Ag., Epicr., p. 105. (Anal. 



Algol., cont. ii., p. 21.) 

 Cape Kidnappers : A. Hamilton ! Chatham Islands : Dr. 

 Schauinsland. Var., Lower Green Island beach : B. M. L. 



124. Ceramium vestitum. Fl. Nov.-Zei., p. 256. (J. Ag., 



Anal. Algol., cont. ii., p. 40). 

 Port Adventure: Lyall. Dunedin, Banks Peninsula: 

 Berggren. 



This is a little-known and somewhat doubtful species. 



125. (?) Ceramium pusilhcm var. lanceolatum, Harv., in Syn. 



Phyc. Austr., No. 619. (J. Ag., Alg. N.Z. mar., p. 14 ; 

 also Anal. Algol., cont. ii., p. 21.) 

 Tauranga : Berggren. 



126. Ceramium uncinatum. Fl. Nov.-Zel., p. 257. (J. Ag., 



Anal. Algol., cont. ii., p. 36.) 

 Turnagain : Colenso. Lvttelton, Lvall Bay, Whangaroa : 



This is a very distinct species, and probably common 

 all along the coast. The tetraspores do not seem to have 

 been previously described. They are of the usual type, and 

 are arranged in a single verticillate series round the nodes. 

 Originally totally immersed, when mature they emerge almost 

 completely vertically, and are surrounded by a conspicuous 

 hyaline membrane. It therefore belongs to the tribe Iso- 

 gonia rather than to Zygogonia, in which Agardh provisionally 

 placed it. The arrangement of the spines has been also im- 

 perfectly described by Harvey and Agardh. There are gene- 



