REV. J. M. CROUBIJE OX AUSTRALIAN LICHENS. 397 



On rocks, Kent's Islands. Coll. Br. no. 515 b, s. n. Lichen chry- 

 sophthalmus denudatus. 



3. Physcia picta (SwX 



Br. no. 546, s. n. Lichen p ictus. 



Kingstown, fertile. Coll 



Coll. 



Tribe Umbilicariei. 



1. GrTROPHORA CYLINDRICA, DC. 



On rocks, summit of Table Mt., very sparingly fertile. 

 Br. no. 558, s. n. Lichen proboscideus , Huds. 



2. Gyrophora proboscidea, Ach. 



On granite rocks, summit of Table Mt., sterile. Coll. Br. 

 no. 559, s. n. Lichen deustus. 



Tribe Lecanorei. 



1. Pannaria rubiginosa (Thnb.). 



On the trunks of trees, south coast of New Holland. Coll. 

 Br. no. 555, not named. 



f 2. Pannaria rubiqinascens, Nyl. y sp. n. " Subsimilis Pa- 

 narice rubiginosce, sed apotheciis biatorinis et sporis minoribus 

 (longit. 009-0012 millim.). 



" Thallus divisionibus facile marginibus crispis obscure granu- 

 loso-divisis vel microphyllinis. Apothecia obscure rufa (latit. cir- 

 citer 1 millim.), subimmarginata saepe convexula." — Nyl. in litt. 



On decayed trunks of trees, near Derwent river. Coll. Br. 

 no. 512, s. n. Lichen granularis (nomen ineptum). 



(Mnt 



Lichen alpicolus. 



Mt. Coll. Br. no. 508, s. n. 



4. Chondropsis semiyiridis (F. Mull.), Nyl. " Thallus pal- 

 jido-glaucescens vel pailido-virescens linearis et dichotome lineari- 

 di\ isus, planus, lsevis, rigescens, divisionibus divergentibus (latit. 

 circa 2-4 millim.), invicem sinubus sat rotundatis eeparatis, 

 apicibus vulgo retusis (dichotomia nova incipiente), subtus 

 ochroleucus vel albo-flavescens glaber (obsolete rugulosus) ; apo- 

 thecia fusca prominula sparsa, marginc thalliuo integro cincta." 



•Nyl. Syn. torn. ii. p. 57, obs. 



LINN. JOURN. — BOTANY, VOL. XTII. . 2 F 



