68 



The Vegetation of the 



The Lichens, Fungi and Algae of our flora are little studied; though 

 the few species identified may be mentioned. 



Lichenes*. 



Usnea bavbata Fr. 

 Ramalina calicaris Fr. 

 Evernia jubata Yv. 

 Tlieloscliistes parietina Norm. 

 Parmelia perforata Ach. 

 Parmelia perlata Ach. 

 Parmelia olivacea Ach. 

 Physcia pulverulenta Schreb. 

 Physcia speciosa Wulfen. 

 Physcia stellaris L. 

 Physcia caesia Hoffm. 

 Physcia obtcura Ehrh. 

 Peltigera canina Hoftm. 

 Lecanora varia Fr. 

 Lecanora subfusca Ach. 

 Placodium aurantiacum Lightf. 

 Placodium ferrugineum Huds. 

 Placodium cerinum Ach. 



Fungi. 



Agaricus procerus Scop. 

 Agaricus decoloraus Mich. 

 Agaricus radicatus Relhan. 

 Agaricus velutipes Curt. 

 Agaricus pyxidatus Bull. 

 Agaricus domesticus Bolt. 

 Agaricus cinereus Bull. 

 Agaricus campestris L. 

 Agaricus rosaceus Nees. 

 Agaricus laccatus Scop. 

 Agaricus ostreatus Jacq. 

 Agaricus campanella Batsch. 

 Agaricus flabelliformis Bolt. 

 Lenzites tigrinus Fr. 

 Lenzites vialis Peck. 

 Marasmius Rotula Scop. 

 Schizophyllum commune Fr. 

 Favolus cauadeusis Klotsch. 

 Polyporus lucidus Fr. 

 Polyporus badius Schw. 

 Polyporus versicolor L. 

 Polyporus cinnabarinus Jacq. 

 Polyporus picipes Fr. 

 Polyporus gilvus Schw. 

 Polyporus fomentarius L. 



Pertusaria velata Turn. 

 Calicium subtile Fr. 

 Cladonia pyxidata Fr. 

 Cladonia fimbriata Fr. 

 Cladonia gracilis Fr. 

 Cladonia mitrula Tuck. 

 Cladonia f areata Floerke. 

 Cladonia macilenta Hoffm. 

 Cladonia rangiferina Hoffm. 

 Biatora campestris Fr. 

 Biatora flexuosa Fr. 

 Biatora rubella Fr. 

 Biatora sanguineo-atra Fr. 

 Opegrapha varia Pers. 

 Graphis scripta Ach. 

 Collema nigrescens Huds. 

 Leptogium pulchellum Ach. 



Polyporus igniarius L. 

 Polyporus arcularius Fr. 

 Polyporus varius Fr. 

 Trametes Peckii. 

 jNIerulius lacrimans Fr. 

 Merulius spathularia Schw. 

 Clavaria aurea Schaeflf. 

 Clavaria botrytis Pers. 

 Clavaria cristata Holmsk. 

 Clavaria fastigiata D.C. 

 Tremella foliacca Pers. 

 Tremella lutescens Fr. 

 Helvella esculenta Pers. 

 Helvella crispa Fr. 

 Morchella esculenta Pers. 

 Phallus Ravenelii B.&C. 

 Geaster mammosus Fr. 

 Stemonitis fusca Roth. 

 Hemiarcyria rubiformis Pers. 

 Cyathus vernicosus D.C. 

 Crucibulum vulgare Tul. 

 Peziza badia Pers. 

 Peziza aurantia Vahl. , 

 Peziza coccinea Jacq. 

 Peziza umbrina Pers. 



*The first part of Tuckerman's synopsis of N. Amer. Lichens containing Parmeliacei, Clado- 

 niei and Coenogonici enumerates 46 Genera 411 species and 5» subspecies, of which after Wolf and 

 Hall 22 genera with 93 species are found in Illinois. Of the rest of the genera the first edition of 

 Tuckerman's Lichenes (184«) contains only 16 genera and 109 species, and of those Wolf and Hall 

 meutiou as occuriug in Illinois 75 species, so tlial 108 species st) far are known from lUinois. 



