GENERAL INDEX. 



Acarospora, 152 



cervina, 152 



dealbata, 153 



privigna, 152 

 Accessory structures, 48 

 Acharius, 1, 6 

 Acids, 37 

 - action of, 18 

 Acoliuni, 85 



tigillare, 85 

 Adaptations, mutual, 53 

 Aerial alg£B, 33 

 Affinity, double, 33 

 Affinity of lichens, 11 

 Africa, 3, 19 

 Agardh, 7 

 Agassiz, 149 

 Alaska, 20 

 Alcohol, 24 

 Alectoria, 165 



ochroleuca, 165 



sarmentosa, 165 

 Algse, 25 

 Algal layer, 43 

 Algeria, 19 

 Alps, 149 

 Altrnism, 31 

 Altruistic, 18 

 Analogy, 40 

 Andes, 111 

 Antberidia, 11 

 Apr>thecia, 46 

 Arabia, 3 



Arthonia, 128 

 astroidea, 129 

 atra, 131 

 dispersa, 129 

 glabrata, 130 

 lecideellft> 130 

 polymorpha, 130 

 punctiformis, 130 

 quintaria, 130 

 radiata, 130 

 tsediosa, 130 

 varia, 131 



Arthothelium, 132 

 spectabile, 132 



Artificial key, 77 



Asci, 28 



Ascomycetes, 28 



Assimilation, 26 



Association, 31 



Autonomy, 14 



Bacidia, 109 



albescens, 109 

 atrogrisea, 110 

 chlorosticta, 109 

 cuprea-rosella, 109 

 iuundata, 110 

 rubella. 110 

 Schweinitzii, 110 

 sufifusca, 110 



Bacteria, 26, 27 



BsBomyres, 87 

 seruginosus, 89 



