AlffCB.1 



PLOBA OP NEW ZEALAND. 



215 



asunder, issuing from the margin, patent but not quite horizontal, 4-6 inches long, terete below, subcompressed 

 upwards, naked and margined with distichous wart-like projections (the bases of fallen branches) in the lower part; 

 alternately branched above. Ramuli or pinnules distichous, two or three inches long, flattened, tapering to the base, 

 alternately dentate; the barren ones with simple, blunt teeth, the fertile having each tooth prolonged into a pedicel- 

 late receptacle. Receptacles on short stalks, piano-compressed, two-edged and furrowed down the middle, oblong, 

 the lower half containing a double row of opposite scaphidia, whose pores open distichously along the edge ; the 

 upper half prolonged into a barren, broadly subulate acuminatum. Vesicles half an inch in diameter, globose, on 

 stalks half their own length, one or more on each of the branches. Colour black when dry. — A very noble species, 

 most related to C. Platylobium, J. Ag., with which we have not had the opportunity of comparing it. — Plate 

 CVIII. Eig. 1, part of the stem, and a branch, natural size; 2, receptacle; 3, enlarged portion of the same, cut 

 across, to show the opposite distichous scaphidia ; 4, a spore ; 5, paranemata and antheridia : — more or less 



Gen. IX. XIPHOPHORA, Mont, 

 (Mont. Voy. Pole Sud, p. 55. Fucodium {partim), J. Ag. Sp. Alg. i. 202.) 



1. Xiphophora JBillardieri, Mont., Pole Sud, t. l.f. 1. Hook. fit. et Harv. Fl. Ant. p. 176. t. 69./. 3. 

 Fucodium gladiatus, J". Ag. Sp. Alg. v. I. p. 202. Hmianthalia gladiata, Kietss. Sp. Alg. p. 587. Pucus 

 gladiatus, Labill. PI. K Roll. p. 3. t. 256. Turn. Hist. I. 240. 



Hab. Lyall's Bay, Cook's Straits, Lyall. Bay of Islands, Sinclair, Lyall, Hooker, Raoul, etc. 



2. Xiphophora chondrophylla, Mont. Fucodium chondrophyllus, J. Ag. Sp. Alg. v. I. p. 203. Fucus 

 chondrophyllus, R. Br. in Turn. Hist. t. 222. Aresch. Iconogr. t. 1. 



Hab. New Zealand, B' Urville. Banks' Peninsula, Lyall. (Native of New Holland.) 



Gen. X. HORMOSIRA, Endl. 



(Endl. Gen. PL p. 10 ; Suppl. iii. 29. J. Ag. Sp. Alg. i. 197. Kiitz. Sp. Alg. p. 586. Moniliformia, Lamour. 



Diet. Class, vii. 71. Grev. Syn. p. xxxvi. Monilia, A. Eich. N. Zel. p. 13.) 



1. Hormosira Laiillardieri, Mont., Pole Sud, p. 62. /. Ag. Sp. Alg. v. l.p. 199. Kiitz. Sp. Alg. 

 p. 586. Hooh.fil. et Harv. Lond. J. Bot. v. 4. p. 528. Fucus moniliformis, Labil. PL N. Holl. t. 262. 



Hab. Wangari Bay, U Urville. Bay of Islands, etc., Hooker, Lyall, Colenso, etc. (Native of New 

 Holland.) 



2. Hormosira Sieberi, J. Ag., Sp. Alg. v. 1. p. 199. Moniliformia Sieberi, Bory, Coqu. p. 134. A. Rich. 

 N. Zel. v.2.p. 139. 



Hab. New Zealand, U Urville, Lyall. Parimahu, Colenso. (Native of New Holland.) 



Gen. XL SPLACHNIDIUM, Grev. 

 (Grev. Syn. p. xxxvi. J. Ag. Sp. Alg. i. 186. Kiitz. Sp. Alg. p. 585.) 

 1. Splachnidium mgosum, Grev. /. Ag. Sp. Alg. v. 1. p. 186. Kiitz. Sp. Alg. ja. 585. Hooh.fil. et 

 Harv. Lond. J. Bot. v. 4. p. 528. Fucus rugosus, Linn. Mant. p. 311. Turn. Hist. t. 185. A. Rich. N. 

 Zel. p. 141. 



Hab. New Zealand, Lesson. Akaroa, Raoul. Cape Kidnapper, Colenso. Port Cooper, Banks' 

 Peninsula, Lyall. (Native of South Africa and New Holland : " East Indies," Vahl.) 



Gen. XII. NOTHEIA, Bail, et Harv. 

 (Bail, et Harv. Bot. of Wilkes' American Expl. Exp. ined.) 

 From (parasitica) filiformis, vage ramosa, prolifera, solida. Scaphidia per totam frondem sparsa, in 



