178 Bastow, Lichen-Flora of Victoria. [voLXXX. 



Specimens are easily preserved. They simply need wrapping 

 in paper, with the date and locahty written legibly thereon. 



I have thought that the publication of a short synopsis of the 

 characters of our Victorian Hchens, arranged in the form of a 

 systematic list, based on the work of the late Rev. F. R. M. 

 Wilson, may be of value to students of these lowly plants, while 

 on the accompanying plate will be found figures of all the more 

 important species, in which every genus mentioned is repre- 

 sented ; in many instances variously enlarged drawings of the 

 spores are included. 



Diagnostic Characters of the Orders, Tribes, and Genera 

 OF Lichens found in Victoria, adapted chiefly from 

 " Bulletin de le Herbina," Boissier, vol. ii., 1894, by Rev. 

 F. R. M. Wilson. 



ORDER L~COLLEMACE^. 

 Substance of thallus gelatinous when moistened, gonidia 

 variously gonimial, apothecia generally gymnocarpous, 

 epithecium and asci persistent. 



Tribe i. — Ephebe^. 

 Thallus filiform, branched ; gonidia in transverse strata. 



1. Ephebe. Apothecia endocarpoid. 



Tribe 2. — Lichine^. 

 Thallus fruticulose ; gonidia sub-nostichoid, concatenated ; 

 apothecia terminal, lecanorine. 



2. Lichina. Spores simple. 



Tribe 3. — Colleme^. 

 Thallus foliaceous ; gonidia concatenated ; apothecia super- 

 ficial, lecanorine or sub-biatorine. 



a. Epithallus either not cellular or confusedly 

 cellulose. 



3. Physma. Spores simple. 



4. Synechoblasfus. Spores transversely divided. 



5. Collema. Spores parenchymatic. 



h. Epithallus of polygonal cells in one stratum. 



6. Leptogium. Spores parenchymatic, both transversely and 



longitudinally divided. 



Tribe 4. — Pyrenopside^. 

 Thallus crustaceous ; gonidia chroolepoid ; apothecia 

 lecanorine. 



7. Pyrenopsis, Gonidia rubricose ; spores simple. 



8. Lempholemma. Thallus tremeloid, membranaceous ; spores 



simple, 

 g. Synalissa. Thallus encrusting ; gonidia in globular sacs ; 

 spores simple. 



