22C 



Ray, J., 7 



Reaction, iodine, 106 



Receptacula florum, 8, 9 



Rees, 25 



Reinke, 28, 29, 31, 68, 69, 74, 97 



Relhan, R., 13 



Reproduction, 12, 87 



by spores, 90 

 Reproductive organs, 62, 81 

 Rhizobia, 36 

 Rhizoids, 47, 48, 49, 59, 61 



aerial, 60 

 Rinodina, 136, 152 

 Rinodina oreina, 157 

 Rinodina sophodes, 154 

 Rivularia nitida, -ioi 

 Rocella, 144 

 Rocella tinctoria, 3, 4, 5 

 Rucellai, 5 

 Rucelarii, 5 

 Ruellius, J., 3 

 Rustici pauperrimi, 9 



DANDERS, 17 



^ Schaerer, 15 



Schneider, A., 37 



Schreber, D.J. C, 11 



Schunk, E., 22 



Schwendener, S., 21, 24, 28, 31, 43, 71 



theory of, 24 

 Scopoli, 10 



Scurvy, Iceland, 10, 23 

 Scutellae, 12 

 Scytonema, 124 

 Secondary thallus, 119 

 Seeds, 9 

 Semina, 8 

 Septoria, 80 



Sirosiphon pulvinatus, 39, 7°, I01 

 Snails, 60, 61 

 Solorina, 210 

 Solorina crocea, 212 

 Solorina saccata, 42 

 Saprophyte, 38 

 Soralia, 187 



Soredia, 4, 9, 12, 13, 18, 57, 67, 91 

 Species characters, 105 

 Species, number of, 19, 20 

 Speerschneider, J., 22 

 Speerschneidera, 166 

 Speerschneidera euploca, 167 



Spermagonia, 13, 21, 26, 32, 80 

 Spermatia, 19, 21, 81 

 Sphaeriaceae, 99 

 Sphaerocephalum, 11 

 Sphaeroid cells, 45 

 Sphaerophorus, 11, 117 

 Sphaerophorus coralloides, 117, ir8 

 Sphaerophorus fragilis, 117 

 Spilonema, 218 

 Sphinctrina, 115 

 Sphinctrina tubaeforme, 115 

 Spongy tissue, 47 

 Spore-sac, 63 



development of, 75 

 Spore-characters, 19, 20, 104 

 Spore-wall, 77 

 Spores, 7, 14, 19, 104 



development of, 77 



distribution of, 87 



ejection of, 87 



germination of, 8g 



reproduction by, 90 



structure of, 77 

 Spreugel, G., 16 

 Sprengel, K., 14 

 Squamose thalli, 49 

 Stahl, G., 26, 69, 80 

 Starch-grains, 85 

 Stereocaulon, 11, 45, 55, 124 

 Stereocaulon coralloides, 125 

 Stereocaulon ramulosum, 55 

 Sterigmata, 19 

 Sticta, 11, 41, 52, 55, 215 

 Sticta amplissima, 55, 216 

 Sticta damaecornis, 7 

 Sticta globifera, 33 

 Sticta Oregana, 58 

 "Sticta pulmonaria, 5, 2S 

 Stictidaceae, 99 

 Stictina, 41, 52, 53, 213 

 Stictina crocata, 215 

 Stictina damaecornis, 53 

 Stipes, 119, 122 

 Stitzenberger, E., 19, 54 

 Stomata, 54 

 Storage-tissue, 45 

 Stored food, 89 

 Strand, central, 82 

 Stylospores, 21 

 Sturgis, W. C, 26, 76, 80 

 Subgenera, 105 



