REV. J. M. CEOMBIE ON AUSTRALIAN LICHENS. 399 



thai! us. The spores sometimes have the wall produced at either 

 apex, which is somewhat acute. 



On dead trunks of trees, base of Table Mt. Coll. Br. no. 502 

 s. n. Lichen soccatus. 



9. IrfECANOBA FERliUGlNEA (Huds.). 



On the bark of trees, Derwent Eiver. Coll. Br. no. 503, not 

 named. In one specimen the apothecia are for the most part 

 crenulated at the margins, = f. crenularia (With.). 



IiECAtfOEA 



Middle Harbour 



Coll. Br. no. 507 and no. 569, s. n. Lichen guttatus. 



Tribe Thelotremei. 



1. THELOTREMA LEPADItfUM, Ach. 



On the smooth bark of trees, banks of Grose Eiver. Coll. Br. 

 no. 520, s. n. Lichen ? occultatus. 



2. Ueceolaria stjbocellata, Nyl., sp. n. " Similis Urceola- 

 ricB ocellatce (Till.), sed thallo (albido) K lurido-fuscescente et 

 dein ochraceo-colorato. Spone longit. 0-020-0*024 millim., eras- 

 sit. 007-0011 millim. Thallus facile etiam reactione alkalina 

 accidentali quoque in natura ochraceus invenitur. Forsan sola 

 subspecies Europaea) 77. ocellatce" — Nyl. in litt. 



On the ground, near Eisdon Cove. Coll. Br. no. 5G3, s.n. 

 Lichen later it ins. 



Tribe Lecideei. 



1. Ccenogonixtm implexum, Nyl. 



On the smooth bark of trees in shady woods, base of Table 



Mt 



spongwsus 



2. Lecidea ltjtea (Deis.). 



On the bark of trees, near Derwent Eiver. Coll. Br. no. 529, 

 s. n. Lichen nudus. 



3. Lecidea paevifolia (Per*.), Nyl. 



On the smooth bark of trees, Grose Eiver. Coll. Br. no. 552, 



s.n. Lichen par vifoliu8. 



The apothecia are usually whitc-pubescent around the base. 



