1895.] 



MICROSCOPICAL JOURNAL. 



69 



Spores simple, spherical, — Continued. 



1 Apo. crateriform, sessile 

 1 Apo. craterform stipitate 

 1 Apo. globose stipitate 



60 Acolium 



61 Calicium 

 62 Coniocybe 



D 



50 Melaspilea 

 56 Arthonia 



59 Acroscyphus 



Spores 2-4 locular, pluri-locular, or multilocular. 



1 Spores bi-locular, brown a 

 1 Spores bi-locular, colorless b 

 1 Spores pluri-locular c 

 a Apo. scutellaeform f 



f Thallus toUiaceous or everniaeform 11 Physcia 



f Thallus crustaceous, folliaceous 12 Pyxiue 



a Apothecia orbicular 18 Solorina 



a Apo. rounded g 

 g Spores ovoid ellipsoid 

 g Spores oblong-ovoid, oblong or fusiform 

 a Apothecia crateriform h 

 h Thallus fruticulo.se 

 h Th. crustaceous i 



i Apothecia sessile 60 Acolium 



i Apo. stipitate 61 Calicium 



a Apo. zeorine or biatorine, spores ellipsoid 

 b Apo. scutellaeform j 

 j Th. fruticulose or pendulous, spores ellipsoid or oblong 



2 Ramalina 

 j Th. terete compressed dichotomously much branched, spores 



oblong 8 Speerschneidera 



b Apothecia globular 35 Pertusaria 



b Apo. depressed globose urceolate and opening, thallus granu- 



lose, spores ellipsoid 25 Pyrenopsis 



b Apo. zeorine or biatorine thallus lobulate or fruticulose often 



yellow 30 Placodium 



b Apo. rounded or oblong k 



k Apo. black, spores ovoid-ellipsoid 50 Melaspilea 



k Spores oblong-ovoid or oblong or fusiform 56 Arthonia 



c Spores colored 1 



c Spores colorless or decolorate m 

 1 Sjwres fusiform or acicular 1 



1 Apothecia scutellaeform 14 Sticta 



1 Apothecia reniform, innate 15 Nephroma 



1 Apothecia rounded or oblong 56 Arthonia 

 1 Spores ellipsoid 2 



2 Apothecia in warts 66 Staurothele 



2 Apothecia zeorine or biatorine 32 Rinodina 

 1 Spores ovoid-elipsoid 3 



3 Apothecia urceolate scutellaeform 36 Urceolaria 



3 Apothecia immersed in the thallus 03 Endocarpon 

 1 Spores oblong ovoid 4 



4 Apothecia scutellaeform 22 Pannaria 

 4 Apothecia rounded, oblong, black 57 Mycoporiura 



1 Spores oblong 4-locular blackish brown 7 Schizopelte 



1 Spores oblong-ellipsoid a 



a Apothecia from scutellaeform becoming black all over and 



lecideoid 12 Pyxine 



a Apothecia urceolate, verrucaeform or endocarpine, becom- 

 ing scutellate 37 Thelotrema 



