p. 153. To Jungeemannia Umilleana, add syn.: — /. abbreviata, Hook.fil. et Tayl. in Lond. Journ. Bot. vol. iii. p. 374.
p. 156. After Jungeemannia planiuscula, add
37 bis. Jungermannia connata, Sw.; Mont. I.e. p. 256.
Hab. Auckland Island : M. Hombron.
p. 157. After Jungeemannia jfesw^a, add
43 bis. Jungermannia amphibolius, Nees; Mont. 1. c. p. 352. Hab. Auckland Island : M. Hombron.
p. 159. Jungeemannia hippuroides is /. capillaris, Sw., ft. minor, Lclun. Lind. et Gottsche, Syn. Hep. p. 213.
p. 159. After Jungeemannia albula, add
50 bis. Jungermannia _/&we«fo,s«, Lehm. et Lind.; Mont. I.e. p. 246.
Hab. Auckland Island : M. Hombron.
p. 160. After Jungeemannia nutans, add
54 bis. Jungeemannia adnexa, Lehm. et Lind.; Mont. 1. c. p. 243. 54 ter. Jungeemannia clecrescens, Lehm. et Lind.; Mont. 1. c. p. 243. 1. 19. f. 4.
Hab. Auckland Island : M. Hombron.
p. 160. Jungermannia hirsuta is /. ochroleuca, Spr.; Gottsche, Nees et Lind. Syn. Hep. p. 240.
p. 160. Jungeemannia mollmima, is /. tomentella, y. Gottsche, Nees and Lind. Syn. Hep. p. 237.
p. 162. Jungeemannia elegantula is Madotheca Stangeri, Gottsche, Nees, and Lind. Syn. Hep. p. 280.
p. 165. After Jungeemannia scandens, add
71 bis. Jungermannia gracilis, Nees ; Mont. I.e. p. 223. Hab. Auckland Island ; H Urville.
p. 167. After Jungeemannia pUcatiloba, add
77 bis. Jungermannia cucidlata, Nees; Mont. I. c. p. 218.
Hab. Auckland Island : M. Hombron.
p. 177. Amongst synonyms to Xiphophoea BiUardieri, dele "Ctenodus, Kiitz."
p. 180. Rhodomela fflomerulata, Mout., is Polysiphonia botryocarpa, nobis.
p 184. After Jania insert
1. Melobesia verrucata, var. Antarctica, vide Part II. p. 482. p. 191. After Callithamnion gracile, add
Plate LXXXVIII. Fig. 1. — 1, plant of the natural size; 2, ramulus ; 3, ditto with sphasrospores ;
4, artieuli of ditto : — very higldy magnified.
p. 193. After Ulva latissima add
1. Zignoa clatkrata, Trevis.; Mont. I. c. p. 30. Enteromorpha, and. Hab. Auckland Island; H Urville.
p. 196. Steeeocaulon Argus.
I have examined specimens of S. ramidosum, approaching this so very closely, that Mr. Churchill Babington inclines to consider the plants as varieties of one species.
