FLORA OF NEW ZEALAND. 



281 



Zichenes.~\ 



demum magnis explanatis disco rufo (ssepe stellatim fisso) margine furfwraeeo acute denticulato demum 

 mflexo et evanescente.— S. Freycinetii, JDelise, Stict. p. 124. t. 14./. 51 (mediocr.). Hook, fil. ! Fl. Ant. 

 p. 528, t. 196 (don.) (non p. 198.) S. fulvo-cinerea, Mont. Toy. au Pole Slid, p. 184. S. Magellanica, 

 Fries, Syst. Orb. Feg.p. 283. Paraelia lactucasfolia, Pers. in Freyc. Voy.p. 199. Presl, Repert. Pot. p. 91. 



V ar. ft. Belisea, Bab. ; thallo minore tenuiore subpapyraceo lobis longioribus subcanaliculatis colore 

 varus (plus minus glaucis, olivaceis s. ochroleucis) margiuibus sinuatis erosis crenatis et (scape tenuissime) 

 dissectis, subtus tomentoso vel nudo ochroleuco vel nigricante, apotheciis minoribus submarginalibus sessi- 

 hbus plamusculis, disco ssepe corrugato "papillato" (Belise), demum nigricante. — Delisea pseudo-sticta, 

 Fee, Essai,p. ci. t. 2. / 15. Sticta Delisea, Belise, Slid. p. 94. t. 9. /. 32. S. Freycinetii, Hook. fil. ! 

 Fl. Antarct. p. 198 (corrected to S. Belisea). 



Hab. Northern and Middle Islands, abundant, Colenso, Lyall, etc. 



To construct a specific character that shall include every variety of this plant is nearly impossible ; the lobes 

 vary exceedingly in shape, thickness, and colour ; the under side and cyphelte are likewise very far from uniform ; 

 the most obvious distinction, as Dr. Hooker observes, lies in the pubescent apothecia with fimbriated margins. 

 Some specimens (of a) occur with the habit of Peltidea apMhosa (see Hooker's figure) ; one of Mr. Colenso's is almost 

 precisely similar to Sticta glomulif era ; while the smaller forms (0) are not unfrequently like Cetraria glaum. A care- 

 ful consideration of a large number of specimens has convinced me that the Sticta Freycinetii of the two parts of the 

 ' Flora Antarctica' are only forms of one and the same species ; the S. Freycinetii of the first part being our var. /3 

 Belisea, which is probably S. Belisea, Del., though I have no authentic specimens, and have not seen the disc dis- 

 tinctly papillated, as Fee represents it ; it is not unfrequently morbose and corrugated. Dr. Montagne's plant, " S. 

 Delisea, Fee?" Voy. au Pole Sud, p. 186, appears from the description to be a form of our var. 0; and I suspect 

 that 8. malovina, Fries, Syst. Orb. Veg. p. 283, is not specifically different.— A very abundant species where it 

 occurs, being found in New Holland (Delise), Port Famine, Juan Fernandez (Herb. Hook.), Tasmania, and all the 

 Antarctic regions from the sea-level to the mountain-tops. For further remarks see Hook. Fl. Antarct. p. 198. 

 Dr. Taylor well included all the present forms under one species, S. glabra, Lich. Antarct. n. 84, ut supra, but 

 his name must be changed. 



18. Sticta granulata, Bab. ; thallo coriaceo rigido profunde laciniato irregulariter scrobiculato, lobis 

 subcanaliculatis irregulariter divisis et laciiiiatis margiuibus crenatis (ssepe sorediiferis) supra sordide viridi- 

 obvaceo (humecto ketiore viridi) passim rufescente, epidermide sgepe longitudinaliter rupta demum sorediis 

 corallineis pulvinulatis albidis squalidissimis demum fuscescentibus (ssjpe densissime) obtecto, subtus to- 

 mentoso rufescente s. fuscescente ad centrum nigricante, cyphellis primitus clausis deinde subexpansis de- 

 pressis albido-lutescentibus magnitudine variis irregularibus, apotheciis submarginalibus extus glaberrimis 

 disco nigricante margine thallode tenuissimo integro evanescente. 



Hab. Middle Island, Lyall. 



This Lichen does not appear to be described, unless by chance 8. dissecta, Laur. in Linn. 1827. p. 41, be a 

 more elegant and pinnated form of it. It had escaped Laurer that a very different species is figured by Swartz 

 (Lich. Amer. t. 8) under that name. Our Lichen resembles S.pulmonacea a good deal in its ample size and general 

 mode of division, but seems to be as nearly allied to the preceding as to any other. The olive-green colour, the 

 scrobiculated thallus, and, above all, the tendency of the plant to produce copious dirty coralline pulvinate soredia, 

 often covering the centre, and the irregular, ill-developed, dirty yellow cyphelte, are its most obvious characters. 

 Found also in Tasmania by Gunn and by Hooker. The apothecia seem rare ; we have only seen two, and these 

 not in a very good state. The imperfectly-formed cyphelte show a transition to the structure of the simple naked 

 spots of S. scrobiculata and its allies, which constitute a section (Lobaria) not yet found in New Zealand. 



19. Sticta argyracea, Delise; thallo suborbiculari subcoriaceo foliaceo profunde laciniato, lobis elon- 

 vol. ii. 4 



