dtyes.] 



FLORA OE NEW ZEALAND. 



239 



A distinctly-characterized species, with a beautiful and remarkable cellular structure. The fruit being unknown, 

 it may be doubtful whether it belongs to Delesseria or Wormsldoldia, J. Ag. 



3. Delesseria quercifolia, Bory, Cog. p. 186. t. 18./. 1. Hook. fil. et Han. Fl. Ant. v. 2. p. 471. 

 Harv. Ner. Amtr.p. 114. t. 46. Kiltz. Sp. Alg.p. 878. J. Ag. Sp. Alg. v. 2. p. 692. 



Hab. East Coast, lat. 43° S., Lyall. (Native of Falkland Islands and Cape Horn.) 



4. Delesseria Davisii, Hook. fil. et Harv., Fl. Ant. v. 2. p. 470. t. 175. Harv. Ner. Austr. p. 115. 

 Kutz. Sp. Alg.p. 878. 7. Ag. Sp. Alg. v. 2. p. 689. 



Hab. Euapuke, Preservation Harbour, and Chalky Bay, Lyall. (Native of Cape Horn.) 



This is much nearer B. dicJwtoma than we had supposed, if the New Zealand specimens, here noticed, be cor- 

 rectly referred. 



5. Delesseria dichotoma, Hook. fil. et Harv., Fl. Ant. v. 1. p. 185. t. 71. /. 2. Harv. Ner. Austr. 

 p. 115. J. Ag. Sp. Alg. v. 2. p. 682. 



Hab. Euapuke, and Chalky Bay, Lyall. (Native of Auckland Islands.) 



6. Delesseria plemospora, Harv.; fronde stipitata flabelliformi laciniata costa dichotoma apicem versus 

 evanescente percursa, laciniis cuneatis dichotomis attenuatis acutis v. subobtusis patentibus, margine inte- 

 gerrimo, soris secus costam utrinque seriatis demum confluentibus lineari-elongatis. 



Hab. Preservation Harbour, Lyall. 



We offer this species with some doubt. It agrees with B. dichotoma in ramification, but is a smaller and nar- 

 rower plant, and is especially characterized by having the sori disposed in a single series at each side of the midrib. 

 If this character prove constant, it will be sufficient to keep it distinct. 



7. Delesseria oppositifolia, Harv. ; fronde lineari-lanceolata basi et apice attenuata costata demum foli- 

 olis oppositis e costa prorurnpentibus pinnatim decomposita, foliolis lineari-lanceolatis acutis costa articulata 

 trisiphonia percursis venisque pellucidis monosiphoniis oppositis e quoque geniculo costse exeuntibus notatis. 



Hab. South Harbour, Southern Island, rare, Lyall. 



Our specimens are H inch in height, the leaflets about f a line wide. The frond is regularly bi-tripinnate, the 

 pinnas and pinnute opposite, and horizontally patent. It is composed of simple, linear-lanceolate foliola, each oppo- 

 site pair springing from the midrib of the older foliolum. The eostaB of the larger leaves are cylindrical, and coated 

 with small cellules ; those of the smaller leaves are articulated, each articulation formed of three oblong, hexagonal, 

 parallel cells. Colour a lake-red. No fruit seen. 



8. Delesseria crassinervia, Mont., Pole Sud, p. 164. I. 8./. 1. Hook. fil. et Harv. Fl. Ant. v. 1. 

 p. 184. v. 2. p. 471. Harv. Mr. Austr. p. 115. /. Ag. Sp. Alg. v. 2. p. 694. 



Hab. Sandy Beach, Patterson's Inlet, East Coast, Southern Island, and Euapuke, Lyall. (Native of 

 Antarctic shores.) 



The specimens of this species, formerly described, convey but an imperfect idea of its size and ramification. 

 Some of the magnificent ones now sent by Dr. Lyall have a main frond or rachis 2 feet long, closely pinnated 

 throughout with branches, each 6 or 8 inches in length. These branches emit leaflets, which are hypophyllously four 

 to five times decompound. Some of those from Euapuke have conceptacles in the midribs of the smaller leaves. 

 The costa in all is very broad. 



9. Delesseria ruscifolia, Lamour. Harv. PAyc. Brit. £.26. Ner. Austr. p. 115. L. Ag. Sp. Alg. v. 2. 

 p. 695. Eucus ruscifolius, Turn. Hist. t. 15. F. Lot. t. 1395. 



Hab. On the beach, Blind Bay, Cook's Straits, Lyall. (Native of Europe and South Africa.) 

 Yery similar to the common European form. 



