BY F. M. RAJLEY, F.L.S. 



151 



ORDER CHARACEiE. 

 Nitella cristata, AL Br. 



Hab. water about Highfields Main Range (Bailey.) 



N. diffusa, Al. Br. 

 Hab. Fassifern (Bailey.) 



Chara gymnopitys, Al. Br. 

 Hab. Ithaca Creek (Bailey.) 



ORDER LICHENES. 



Ricasolia rhapliispora, CJias. Knight, Sp. Nov. (PI. xviii.; fig. 1) 



Thallus glauco-pallescens inequalis tenuiter raembranaceus, 

 passim laevis passim rugulosus, lobatus, lobis rotundato-crenatis 

 (prominentiis mastoideis nullis) subtus pallidus, ambitu nudus, 

 rhizinis obscuris. Apothecia badio-rufa (latit. circa 2.5 mm.) 

 submarginalia, margine integro. Sporoe elongato-fusiformes 

 sfepissime solum l-septatae longit. 0.073 mm. crassit. .003 mm. 



Differs from U. cremdata var. stenospora, Nyl. in the margin 

 of the apothecia being entire instead of lacero-crenate, R. 

 (lichroa also has elongated narrow spores, but the thallus is 

 lurid fuscous beneath, and the whole plant larger and coarser 

 than R. rhapliispora. 



Hab. on bark of scrub trees, southern Queensland (Bailey.) 



Parmelia sphcerospora, G. Knight in Trans. Linn, Soc. Vol. II, 



Part 2, 1882. 

 Hab. on rocks Glasshouse Mountain (Bailey.) 



Lecanora (Haematomma) Babingtonii G. Knight. 

 Hab. On Bark, Southern Queensland (Bailey.) 



Thelotrema trypethelioides, G. Knight, Sp. Nov. (PI. xviii ; 

 fig. 2.) 



Thallus viridis creberime verrucosus crassus continuus verrucis 

 convexis v. hemisphoricis singulis v. plures in colliculo congestis 

 Apothecia singula v. plures in singulis verrucis immersa ; 

 ostiolum commune minutum depressum, mox annulatim late 

 expansum, tum profunde urceolatum, disco albo margineque 

 prominente, excipulo proprio tenui ab lateribus atro-fusco, 

 Apotlieciorum verrucis intus omnino carbonizatis vel dense 

 atro-laminatis, laminis erectis ; paraphysibus gracilibus, non bene 

 discretis. Sporae in ascis cylindraceis pediculiformes 3-septat8e 

 long. 0.015 mm. crassit, 0.008 mm. 



Ad cortice arborum. Leg F. M. Bailey. • 



