356 Transactions.— Botany. 



Charles 



of some New 



Plate XXIII. 



[Read before the Wellington Philosophical Society, 21** November, 1874.] 



1. Phlyctis egentior, Nyl. 

 Thallus tenuissimus, lirido-cineraceus, sat determinatus. Apothecia 



innata 



difformia 



brunneo 



longit. 0-062 mm., crassit. 0-007 mm. 

 Ad cortices arborum. 

 Thallus very thin, livido-cinerace 



Sporce incolores falcatse 7-9-septatse 



Apothecia 



innate, small, yellowish-brown, rounded or misshaped, bound by a powdery 

 thalline margin. Spores colourless, falcate, 7-9-septate, length 0-062 mm 

 breadth 0-007 mm. 



Differs 



«" ~* — • vf www/o/WM) X±X KIXU tUlUUi KJL L1HJ 



thaUus, ^ and probably, by the powdery thalline margin with which the 



apothecia are bound. 



2. Phlyctis neo-zelandia, Nyl. 

 ThaUus crustaceua, uniformis, albus, tenuis vel 

 riniosus, determinatus. Apothecia minuta, innata, 



crassus, late expansus, 



difformia 



concaviuscula, carnea, excipulo proprio nullo— nisi margine thallino spurio 

 extus pulverulento— cincta. Spora incolores, vermiformi-cylandraceze, spiraliter 

 curvate, 7-1 1 -septat*, longit. 0-07 mm., crassit. 0-005 mm. 



borum 



Thallus crustaceous, uniform, white, thin or thick, widely expanded, 



nun 



a proper excipulum, surrounded by a pulverulent thalline margin.' Spores 



thick. 



curved 



millim. long., 0-005 millim. 



On bark. 



3. Lecidea stellulata, Taylor. 



ThMn albidus, tenuissimus, areolato-diffractus, hypothallo ni 

 inter areolas. Apothecia sessilia, nigra. Span fuse* vel nigra, 

 longit 0-01 mm., crassit. 0-006 mm. ' 



Ad saxa. 



diffractate, hypothallus 



IT „n:,^: .^'^.^ "■* <*» brown or b.act, 



On rocks. 



illim. long., 0-006 milli 



